Our Team
BKM was founded in 1968 with core values of transparency, responsiveness, extreme diligence, and the celebration of great ideas. Today, James L. Barrett, Jr., Mark A. Flickinger, and Gary E. Johnson, Jr. lead the firm with these values instilled in everything we do. From the management-level professionals actively involved in every project to the innovative solutions we develop for our clients, exceeding expectations is always our expectation for ourselves.
President
James L. Barrett, Jr.
PE, Associate AIA, LEED AP BD+C
Jim began his career more than 30 years ago upon graduation from the University of Maryland with a Bachelor of Science in Mechanical Engineering and a Masters of Architecture. Jim’s education and training give him a deeper understanding of each project’s architectural intent and the engineering systems that are designed. His holistic approach has helped him to earn numerous American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Design Awards for projects in Higher Ed, Healthcare, Housing and Commercial Office Buildings. He has served as both project manager and lead mechanical engineer on projects for over 30 years.
He remains hands-on, as do all of BKM’s principals. They are truly passionate about the contributions they bring to a project. Jim believes in serving the client well by creating designs that are efficient, aesthetic, and easy to execute.
Jim loves a challenge. He is a born competitor who has completed many triathlons and running races for nearly 40 years.
He remains hands-on, as do all of BKM’s principals. They are truly passionate about the contributions they bring to a project. Jim believes in serving the client well by creating designs that are efficient, aesthetic, and easy to execute.
Jim loves a challenge. He is a born competitor who has completed many triathlons and running races for nearly 40 years.
Education
- Bachelor of Science, Mechanical Engineering, University of Maryland College Park
- Master of Architecture, University of Maryland College Park
Affiliations
- AIABaltimore, Member
- ASHRAE, Member
Principal
Mark A. Flickinger
PE, LEED AP
Mark earned a Bachelor of Architectural Engineering from Pennsylvania State University in 1988 and joined BKM in 1995. He is best known for his experience in the systems design for healthcare and research facilities. Mark has designed laboratory space for Nobel Prize winning researchers at the Johns Hopkins University, along with cutting-edge research facilities at the University of Maryland, Environmental Protection Agency, and National Institutes of Health.
Mark has worked extensively with the Department of Veterans Affairs, Johns Hopkins Hospital, and several private medical centers throughout the mid-Atlantic region. In addition, Mark is the principal-in-charge for the new Community Living Center (CLC) at the Veterans Affairs Medical Center - Perry Point, Maryland. The new CLC facility is one of the first to be designed utilizing the Veterans Affairs updated CLC Design Guide, which BKM assisted in creating.
Mark has worked extensively with the Department of Veterans Affairs, Johns Hopkins Hospital, and several private medical centers throughout the mid-Atlantic region. In addition, Mark is the principal-in-charge for the new Community Living Center (CLC) at the Veterans Affairs Medical Center - Perry Point, Maryland. The new CLC facility is one of the first to be designed utilizing the Veterans Affairs updated CLC Design Guide, which BKM assisted in creating.
Education
- Bachelor of Architectural Engineering, Mechanical Focus, The Pennsylvania State University
Affiliations
- ASHE, Member
- ASHRAE, Member
- CASHE, Member
Principal
Gary E. Johnson, Jr.
PE, CxA, ATD
Gary began his career in 1987 at BKM, following graduation from The Pennsylvania State University with a Bachelor of Science degree in Mechanical Engineering. Gary worked directly under Tom Murphy, one of the company’s founders. After seven years with BKM, he joined Whitman, Requardt & Associates, a 400-person architecture and engineering (A/E) firm in Baltimore, as the Mechanical Department Head for the Building Design Group. After ten years away from BKM, he returned to the firm in 2004 as an owner.
Gary served as the Senior Mechanical Engineer for the Social Security Administration Annex Building in Woodlawn, MD, which was the first General Services Administration's (GSA) project in the country to be Leadership in Energy and Environmental Design (LEED) Certified. Other notable projects include Time Warner Cable's National Data Center West, University of Delaware's Laird Student Housing, the Baltimore National Aquarium's Center for Aquatic Life and Conservation, and the University of Baltimore's School of Communications.
He believes in being an active participant in the design team, while remaining respectfully proactive in the project overall. Anyone who works with Gary knows that just “good enough” is never good enough for him or for his team. As the son of a noted consulting engineer with a 50-year career, Gary says he has spent his professional career attempting to live up to the example set forth by his father.
Gary served as the Senior Mechanical Engineer for the Social Security Administration Annex Building in Woodlawn, MD, which was the first General Services Administration's (GSA) project in the country to be Leadership in Energy and Environmental Design (LEED) Certified. Other notable projects include Time Warner Cable's National Data Center West, University of Delaware's Laird Student Housing, the Baltimore National Aquarium's Center for Aquatic Life and Conservation, and the University of Baltimore's School of Communications.
He believes in being an active participant in the design team, while remaining respectfully proactive in the project overall. Anyone who works with Gary knows that just “good enough” is never good enough for him or for his team. As the son of a noted consulting engineer with a 50-year career, Gary says he has spent his professional career attempting to live up to the example set forth by his father.
Education
- Bachelor of Science, Mechanical Engineer, The Pennsylvania State University
Affiliations
- ASHRAE, Member
Principal/Higher Education and Science & Technology Practice Leader
William J. Collins, Jr.
PE
Bill has extensive experience in the design of mechanical systems for various government agencies, having been the primary engineer and project manager on numerous multi-million dollar projects. He has extensive experience performing projects in the government, healthcare, and science & technology market sectors, especially with clean rooms and specialty facilities. Since 1995, Bill has served Becton Dickinson (BD) as the lead consulting engineer on the vast majority of new work and renovation projects for the Baltimore facilities and many of the projects were exclusively mechanical and electrical in scope.
Bill's projects have included both new construction and rehabilitation initiatives for medical office buildings and hospitals. For clean room projects, he has been a part of the project team from space planning and room classification through document and validation preparation for FDA submission. His responsibilities have entailed engineering design, specification writing as well as all other aspects associated with preparing contract drawings in the disciplines of HVAC, plumbing, fire protection, system control and monitoring, and utility distribution.
Bill lives in Southern York County (PA) with his wife Debbie. A graduate of Penn State University, he has two adult children and a grandson. Although his competitive soccer playing days are part of his past, he still enjoys outdoor sport activities such as hiking, biking and skiing. As time allows, he looks for opportunities to travel to developing nations to assist on construction projects.
Bill's projects have included both new construction and rehabilitation initiatives for medical office buildings and hospitals. For clean room projects, he has been a part of the project team from space planning and room classification through document and validation preparation for FDA submission. His responsibilities have entailed engineering design, specification writing as well as all other aspects associated with preparing contract drawings in the disciplines of HVAC, plumbing, fire protection, system control and monitoring, and utility distribution.
Bill lives in Southern York County (PA) with his wife Debbie. A graduate of Penn State University, he has two adult children and a grandson. Although his competitive soccer playing days are part of his past, he still enjoys outdoor sport activities such as hiking, biking and skiing. As time allows, he looks for opportunities to travel to developing nations to assist on construction projects.
Education
- Bachelor of Architectural Engineering, Mechanical Engineering, The Pennsylvania State University
Affiliations
- ASHRAE, Member
- ISPE, Member
Principal/Education Practice Leader
Andrew C. Endres, Jr.
PE, LEED AP BD+C
During Andy’s three decades with BKM, he’s won multiple ASHRAE Technology Awards and led several notable projects that include: the Johns Hopkins University School of Medicine, Aids Research Facility; University of Maryland Baltimore, Animal Bio-Safety Level 3 Research Laboratory; and University of Maryland Baltimore, Cancer Research Laboratory. He has been the project engineer for all seven of the buildings on the Carroll Community College campus, and provided peer review and value enhancement services for the Department of Veterans Affairs national peer review contract.
Andy graduated with a Bachelor of Science degree in Mechanical Engineering from The Pennsylvania State University in 1985. In his role as director of mechanical engineering at BKM, he is known for providing a high quality design product based on sound fundamental concepts. High quality design results in a successful project for the owner, which ultimately results in growth for BKM.
Andy lives in Northern Baltimore County with his wife Suzanne. They have four children, however, with three in college they are slowly adjusting to a quieter home after many years of a full and busy household. As an avid Orioles fan, he was fortunate to attend Game 5 of the 1970 World Series; he now hopes to one day take his family to see the Birds back in the World Series sometime soon.
Andy graduated with a Bachelor of Science degree in Mechanical Engineering from The Pennsylvania State University in 1985. In his role as director of mechanical engineering at BKM, he is known for providing a high quality design product based on sound fundamental concepts. High quality design results in a successful project for the owner, which ultimately results in growth for BKM.
Andy lives in Northern Baltimore County with his wife Suzanne. They have four children, however, with three in college they are slowly adjusting to a quieter home after many years of a full and busy household. As an avid Orioles fan, he was fortunate to attend Game 5 of the 1970 World Series; he now hopes to one day take his family to see the Birds back in the World Series sometime soon.
Education
- Bachelor of Science, Mechanical Engineering, The Pennsylvania State University
Affiliations
- ASHRAE, Member
Principal
Richard A. Miller
PE, LEED AP
Rick graduated in 1985 from Johns Hopkins University with a Bachelor of Science degree in Electrical Engineering and joined BKM in 2005. Rick served as lead electrical engineer for the VA Martinsburg Capital Region Readiness Center, Latrobe Homes Electrical Infrastructure Modernization, Baltimore County Courts Building Electrical Service Upgrade and Power Distribution Infrastructure Replacement, Chase Brexton 111 Charles Street Building Shell Infrastructure and Tenant Improvements, Montgomery College Mass Notification System Installation (Rockville and Takoma Park Campuses), and Bowie State Residence Halls Fire Alarm and Mass Notification System Installation, among other notable projects.
Rick strives for designs that optimize energy-efficiency, constructability, cost, and maintainability. He’s known for working collaboratively with clients to fully understand the scope of the project and their needs, while utilizing all of a client’s currently available resources. He believes in being accessible and being responsive. In short: Keep it moving and make it happen.
Rick enjoys being hands-on and restoring all things old, including his home and cars. He works hard tending to his backyard vegetable garden. Additionally, his favorite hobbies include finding time to jog, camping with family, and going on charter fishing trips.
Rick strives for designs that optimize energy-efficiency, constructability, cost, and maintainability. He’s known for working collaboratively with clients to fully understand the scope of the project and their needs, while utilizing all of a client’s currently available resources. He believes in being accessible and being responsive. In short: Keep it moving and make it happen.
Rick enjoys being hands-on and restoring all things old, including his home and cars. He works hard tending to his backyard vegetable garden. Additionally, his favorite hobbies include finding time to jog, camping with family, and going on charter fishing trips.
Education
- Bachelor of Science, Electrical Engineering, Johns Hopkins University
Affiliations
- IEEE, Member
Principal, Senior Electrical Engineer/Government Practice Leader
Anthony R. Page
PE, LEED AP
As a Senior Associate, Tony serves as a Project Manager for many types of projects at BKM. He has extensive experience with government, commercial, industrial, laboratory, mission critical, and infrastructure projects. To help support his infrastructure expertise, Mr. Page has over 1000 hours of experience in the field. As an extension of infrastructure, he specializes in power distribution engineering and power systems studies. He is on the forefront of research as it relates to Arc Flash and the relevant codes. Tony places a special emphasis on quality control and trade coordination. He serves as trade coordinator on many of BKM’s projects. Complete client satisfaction is his primary goal. He understands that our work ultimately must support the customer’s vision. Over the years he has provided excellent service for notable clients such as the Pentagon, FEMA, The US Navy, and the Johns Hopkins University Applied Physics Lab.
Tony lives in Baltimore County with his wife and their two girls. Outside of the office, he spends time on home construction projects and traveling & having fun with family. A lover of all types of food, Tony also spends a lot of time in the kitchen and outside at the grill. His favorite stress relievers are cooking for his kids, running outside, and woodworking. Like many senior staff at BKM, he is graduate of Penn State University (BSEE).
Tony lives in Baltimore County with his wife and their two girls. Outside of the office, he spends time on home construction projects and traveling & having fun with family. A lover of all types of food, Tony also spends a lot of time in the kitchen and outside at the grill. His favorite stress relievers are cooking for his kids, running outside, and woodworking. Like many senior staff at BKM, he is graduate of Penn State University (BSEE).
Education
- Bachelor of Science, Electrical Engineering, The Pennsylvania State University
Senior Associate, Director of Marketing + Business Development
Catherine D. DeWitt
CPSM
Catherine is a graduate of Philadelphia University with a Bachelor’s degree in Marketing. She has worked as a marketing professional for architecture, engineering, and construction (AEC) firms for over 20 years. Catherine began her career as a Marketing Coordinator at a local engineering firm in Baltimore and since then, has worked for small and large AEC firms in Maryland, North Carolina, and Virginia. Catherine leads the marketing and business development activities to ensure that goals and deadlines are met. She is the creative force behind the firm’s strategic plan and serves as primary strategic adviser to the firm's principals.
An active member of the Society for Marketing Professional Services (SMPS). During her leadership as the 2016 SMPS Maryland Chapter President, the chapter was selected amongst all of the national chapters for the Grand Prize Striving for Excellence Award. Additionally during her time living in North Carolina, Catherine served as President, Past President, Vice President, Treasurer, and Director of Membership for the SMPS Research Triangle Chapter (RTC). As a Certified Professional Services Marketers (CPSM), she is passionate about educating herself and others in professional services marketing. Catherine launched the first CPSM Study Group for the RTC and has helped eight professional services marketers achieve their CPSM certification.
Catherine lives in Baltimore with her husband, daughter, and Labrador retriever.
An active member of the Society for Marketing Professional Services (SMPS). During her leadership as the 2016 SMPS Maryland Chapter President, the chapter was selected amongst all of the national chapters for the Grand Prize Striving for Excellence Award. Additionally during her time living in North Carolina, Catherine served as President, Past President, Vice President, Treasurer, and Director of Membership for the SMPS Research Triangle Chapter (RTC). As a Certified Professional Services Marketers (CPSM), she is passionate about educating herself and others in professional services marketing. Catherine launched the first CPSM Study Group for the RTC and has helped eight professional services marketers achieve their CPSM certification.
Catherine lives in Baltimore with her husband, daughter, and Labrador retriever.
Education
- Bachelor of Business Administration, Marketing, Philadelphia University
Affiliations
- SMPS Maryland Chapter: Past-President, President, President-Elect, Treasurer, Board Member, Director of Social Media, Director of CPSM Study Group, Membership Committee
- SMPS National: CPSM Certification Committee, Striving for Excellence Committee and Section Head, 2013 Build Business Social Media Committee
- SMPS Research Triangle Chapter: President, Past-President, Vice President, Treasurer, Director of Membership, Membership Committee
- SMPS Northeast Regional Conference: 2018 Programs Co-Chair
Senior Associate, Senior Mechanical Engineer/Higher Education Practice
Casey S. Ross
PE, LEED AP, BEMP, CEM
Casey is an accomplished project manager and mechanical engineer, specializing in buildings and building systems. He has extensive experience designing government, healthcare, and educational facilities. His responsibilities include designing heating and chilled water infrastructure systems, including district steam and chilled water systems, as well as secondary (airside) HVAC systems and plumbing systems. Additionally, Casey provides building energy modeling expertise to BKM, bringing a cross-discipline understanding on how building systems operate, interact, and how they can be designed to meet the needs of a client.
Casey lives in the Butcher’s Hill neighborhood of Baltimore with his partner, Katherine. Before moving to Charm City, he grew up in Philadelphia and graduated from Drexel University, where he spent many nights as a college radio DJ. He enjoys weightlifting, travel, the arts, and is a bit of a foodie.
Casey lives in the Butcher’s Hill neighborhood of Baltimore with his partner, Katherine. Before moving to Charm City, he grew up in Philadelphia and graduated from Drexel University, where he spent many nights as a college radio DJ. He enjoys weightlifting, travel, the arts, and is a bit of a foodie.
Education
- Bachelor of Architectural Engineering, MEP, Drexel University
- Bachelor of Science, Civil Engineering, Drexel University
Affiliations
- ASHRAE, Member
Senior Associate, Senior Mechanical Engineer/Education Practice
Matt D. Sol
PE, LEED AP BD+C
Matt has spent his entire career at BKM. As a mechanical engineer, his primary responsibilities include the design, layout and sizing of heating, ventilation and air conditioning systems. Matt works collectively with the owner and other members of the design team to better understand the goals of the project and help coordinate the design across all disciplines. He continues to work in a variety of market sectors, with a specialization of education projects.
Matt lives in Southern York County (PA) with his wife Katie, and their three young children. Matt graduated from Grove City College, where he was also a member of the varsity soccer team. Most of his free time is spent on trips to the playground, zoo or other fun activities with his family. As time allows, he participates in various recreational soccer and basketball leagues and runs a children's soccer camp through his church.
Matt lives in Southern York County (PA) with his wife Katie, and their three young children. Matt graduated from Grove City College, where he was also a member of the varsity soccer team. Most of his free time is spent on trips to the playground, zoo or other fun activities with his family. As time allows, he participates in various recreational soccer and basketball leagues and runs a children's soccer camp through his church.
Education
- Bachelor of Science, Mechanical Engineering, Grove City College
Affiliations
- ASHRAE, Member
Associate, Controller/Human Resources Manager
Kelly A. Irwin
Kelly is a graduate of the University of Baltimore with a Master’s degree in Accounting. She has worked in accounting for over 24 years, over 14 years of which have been in the AEC industry. Kelly began her career as the Accounts Receivable Clerk at a large A/E/C firm in Baltimore and quickly worked her way up to the Controller position. Additionally, Kelly has 10 years of experience as a tax consultant/manager at a local CPA firm and then as a Supervisor at the Maryland State Department of Assessments and Taxation.
Kelly leads the accounting/finance, human resource, recruiting, and property management activities for BKM as a primary strategic adviser to the firm’s principals. Currently, she has been designated the firm’s Pandemic Officer and has been the driving force behind the firm’s COVID-19 mitigation and office re-opening plans.
Kelly lives in Bel Air with her husband, John, and their two college aged children, one of whom is majoring in Engineering. Kelly has served the community in many ways, including but not limited to Treasurer of the PTA and Commissioner for the Bel Air Travel Soccer program. Kelly believes it is important to give back to the community and has been instrumental in leading or participating in several charitable initiatives, both in the community and in the workplace.
Kelly leads the accounting/finance, human resource, recruiting, and property management activities for BKM as a primary strategic adviser to the firm’s principals. Currently, she has been designated the firm’s Pandemic Officer and has been the driving force behind the firm’s COVID-19 mitigation and office re-opening plans.
Kelly lives in Bel Air with her husband, John, and their two college aged children, one of whom is majoring in Engineering. Kelly has served the community in many ways, including but not limited to Treasurer of the PTA and Commissioner for the Bel Air Travel Soccer program. Kelly believes it is important to give back to the community and has been instrumental in leading or participating in several charitable initiatives, both in the community and in the workplace.
Education
- University of Baltimore, MS, Accounting
- College of Notre Dame of MD, BA, Education
Associate, Business Development Manager
Korey B. Rubeling
CPSM
Korey graduated from Elon University in 2008 with a Bachelor’s degree in Business Administration. Before joining BKM, Korey was the Business Development Manager at an environmental, health, and safety firm in Baltimore.
As BKM’s Business Development Manager, Korey is responsible for creating and maintaining client relationships that result in business opportunities consistent with the firm’s strategic initiatives. He develops and drives firm business development plans, researches and identifies leads, opportunities, clients, and decisions makers. Korey represents the firm at networking functions, association meetings, and trade shows. He is motivated to build and sustain long-term relationships with clients and business partners and is enthusiastic about enhancing BKM’s mission, markets share, and services.
Korey is an active member of the Society for Marketing Professional Services (SMPS), currently serving on the Programs Committee and helping out with other Chapter initiatives.
In his free time, he enjoys playing basketball & softball and roots fervently for the Orioles and Ravens. Korey is the reigning BKM Egg Drop Champion.
As BKM’s Business Development Manager, Korey is responsible for creating and maintaining client relationships that result in business opportunities consistent with the firm’s strategic initiatives. He develops and drives firm business development plans, researches and identifies leads, opportunities, clients, and decisions makers. Korey represents the firm at networking functions, association meetings, and trade shows. He is motivated to build and sustain long-term relationships with clients and business partners and is enthusiastic about enhancing BKM’s mission, markets share, and services.
Korey is an active member of the Society for Marketing Professional Services (SMPS), currently serving on the Programs Committee and helping out with other Chapter initiatives.
In his free time, he enjoys playing basketball & softball and roots fervently for the Orioles and Ravens. Korey is the reigning BKM Egg Drop Champion.
Education
- Bachelor of Science, Business Administration, Elon University
Affiliations
- SMPS Maryland Chapter: Board Member, Chapter President
Project Manager, Senior Mechanical Engineer/Healthcare Practice Leader
Brendon J. Burley
PhD, PE, LEED AP
Brendon has been designing healthcare and higher education facilities for the last decade. His projects range from laboratory equipment installation detailing to full-scale medical centers and include specialty projects related to imaging, containment, and clean rooms. In most cases, he has served as both the project engineer, responsible for mechanical design, and project manager, responsible for the successful execution of the project across the mechanical, electrical, plumbing, and fire protection trades. Whether the project is an office renovation, a phased equipment replacement, a specialized research facility, or a complete hospital, Brendon brings a level of knowledge and practical experience to meet our clients’ expectations and deliver a successful project.
Brendon lives in Westminster, Maryland with his wife, Heather, and four children; Teagan, Olivia, Caleb, and Marin. He has a passion for good conversations, particularly when it comes to politics, science (both real and fantasy), and religion. He is open to new experiences and always looks for the local spots when he travels. When he is home he passes his time playing games with family and friends, catching up on the news, and fighting a losing battle against nature for control of his yard.
Brendon lives in Westminster, Maryland with his wife, Heather, and four children; Teagan, Olivia, Caleb, and Marin. He has a passion for good conversations, particularly when it comes to politics, science (both real and fantasy), and religion. He is open to new experiences and always looks for the local spots when he travels. When he is home he passes his time playing games with family and friends, catching up on the news, and fighting a losing battle against nature for control of his yard.
Education
- Bachelor of Architectural Engineering, Structural Emphasis, The Pennsylvania State University
- Doctorate of Philosophy in Arch., Engineering (Mechanical), The Pennsylvania State University
Affiliations
- ASHRAE TC9.10 Corresponding Member
- ASHRAE TC9.6 Corresponding Member
- ASHE
- CASHE
Project Manager, Senior Mechanical Engineer/Commercial Practice Leader
V. Drew Petrella
PE, LEED AP BD+C, HBDP
Drew is an established Project Manager with 16 years of experience in the AEC industry. Specializing primarily in commercial projects, Drew values a high level of client interaction to ensure the project's vision comes to life. His project responsibilities include managing multidisciplinary design teams and support staff, designing mechanical HVAC systems, performing field work, and assisting in construction administration services through the duration of the project. Drew is knowledgeable in regards to ASHRAE standards, International Building Codes (mechanical and IECC), and various LEED standards (BD&C, Commercial Interiors, and O&M.) Additionally, Drew is currently pursuing his master's degree for Engineering Management at the University of Maryland Baltimore County.
Drew graduated from the Mechanical Engineering program at The University of Maryland. It was at College Park where he was lucky enough to meet his wife. Together they have two young sons and reside in Ellicott City, MD. Drew enjoys spending free time with his family, cooking, hosting parties and watching movies.
Drew graduated from the Mechanical Engineering program at The University of Maryland. It was at College Park where he was lucky enough to meet his wife. Together they have two young sons and reside in Ellicott City, MD. Drew enjoys spending free time with his family, cooking, hosting parties and watching movies.
Education
- Bachelor of Science Mechanical Engineering, University of Maryland College Park