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Bill DunahooBill Dunahoo
As a principal and co-founder of Praxis Engineering, Mr. Dunahoo is President and leads the Executive Management Team. In this role, he is responsible for the overall strategic direction and management of Praxis' Business Units. Mr. Dunahoo has over 30 years of experience in the software and systems services focused on providing solutions to the Intelligence Community and the Department of Defense. Prior to founding Praxis, Mr. Dunahoo worked in various capacities as a software and systems engineer before becoming an independent consultant in 1992 and co-founded another successful software consulting firm in 1995.

Mr. Dunahoo has a B.S. in Computer Science from the University of Maryland College Park. He is currently the AFCEA Regional Vice President for Maryland and a board member for the Fort Meade Alliance. He was formerly the Chairman of the Board of Directors and President of the AFCEA Central Maryland Chapter.

JeremyJeremy Kaufman
VP Products
Mr. Kaufman is a principal and co-founder of Praxis Engineering. He currently serves as a member of the Executive Management Team and as Vice President of Products. Since 2012, Mr. Kaufman has been responsible for leading Praxis Engineering's sister company Praxis Products. In this position, he has overall responsibility for the operations of the products company; including overseeing product development and delivery as well as developing the product line strategic roadmap. Prior to that, Mr. Kaufman was Praxis Engineering's CTO and also managed a significant portion of its services portfolio. Mr. Kaufman has over 30 years of experience developing and fielding solutions and systems for the Government across a very diverse set of problem domains.

Mr. Kaufman has a B.S. and an M.S. in Electrical Engineering from Drexel University and an MBA from the Robert H. Smith School of Business at the University of Maryland. Mr. Kaufman also served as a faculty member at University of Maryland Baltimore County.

JerryJerry Schepers
Vice President Sales, Marketing & Business Development
Mr. Schepers joined Praxis Engineering as Vice President of Sales, Marketing, and Business Development in 2004. He serves as a member of the Executive Management Team leading all business development, strategic relationship, and marketing activities. Mr. Schepers has over 30 years of diverse industry experience including senior management roles focused on both Government and Commercial business sectors. Prior to joining Praxis, Mr. Schepers served as Director of Federal Sales at Information Builders, Inc. and prior to that spent over 9 years at Rational Software where he last served as Area Sales Manager for the eastern United States SMB market.

Mr. Schepers has a B.S. in Computer Science from the University of Maryland, College Park and an M.S. in Computer Science from Johns Hopkins where he has served as an adjunct professor for over 25 years. He has held numerous positions within AFCEA's Central Maryland Chapter including President and Chairman of the Board of Directors. In addition, Mr. Schepers is a founding member of the IA-SBA, and currently serves on the AACC STEM advisory board.

CharlieCharlie Duren
Sector Vice President - VA Operations
Mr. Duren joined Praxis Engineering in 2009 as the Director of Strategic Markets. He and his staff are responsible for customer success and business growth in the markets of Northern Virginia and Washington DC. Their primary focus is on the National Level Intelligence and Law Enforcement Agencies. Prior to joining Praxis Engineering, Mr. Duren was the Vice President of Global Education and North American Professional Services for Pitney Bowes Software. He has over 25 years of experience in intelligence analysis, information and weapons system development, and program management. Mr. Duren has performed as a Senior Signals Analyst, Independent Verification and Validation System Engineer, SETA Chief Engineer for a large scale ERP program, and professional services manager and executive.

Mr. Duren has a BS in Computer and Information Science from the University of Maryland University College, is a retired US Air Force veteran with over twenty years of service, and is a certified Project Management Professional (PMP) from the Project Management Institute (PMI).

QQuentin Smith
Sector Vice President - Capabilities Operations
Mr. Smith joined Praxis Engineering in late 2003. Presently, Mr. Smith serves as the Director of the Collect and Protect Programs Business Unit. He and his staff are responsible for business capture through delivery across a range of technologies and contract types. He has over 30 years experience in the U.S. Defense and Intelligence sectors. Prior to joining Praxis, Mr. Smith held leadership positions responsible for strategy and development for units of General Dynamics and Motorola. Before this, he served in various roles with Communications Systems Technologies, Inc., culminating in a Vice-President position and serving on its Board of Directors. Mr. Smith began his professional employment at HRB Singer. His career has focused on direct involvement with the engineering and managing the design and development of software, hardware and systems.

Mr. Smith has a BS in Electrical Engineering from Drexel University and an MS in Electrical Engineering from Johns Hopkins University. He has also completed the mini-MBA program at Stanford University.

PaulPaul Larsen
Director DoD & Special Programs
Mr. Larsen has been with Praxis Engineering since its founding, and is the Director of Praxis Engineering's DoD and Special Programs Business Unit. His past roles include Program Manager, Technical Task Lead, Software Architect, Database Designer and Engineer. He has over 25 years of systems development experience and has been successful in government contracting, consulting, and commercial software development. Mr. Larsen has extensive experience in the areas of: software design and development, systems integration, airborne systems, agile development, tactical SIGINT systems, multi-INT fusion, geospatial technologies, and database development.

Mr. Larsen has a BS in Computer Science from McKendree University and is an armed services veteran, having served in the USAF.

TarisaTarisa Holbrook
Director Mission Capabilities
Ms. Holbrook joined Praxis in 2008 and serves as the Director of the Mission Capabilities Business Unit. Ms. Holbrook has over 25 years of collective experience in the Private Sector and Intelligence Community, as a software engineer, program manager, and executive level manager. Prior to joining Praxis, Ms. Holbrook held leadership positions at SRA (RABA), TRADOS, and Oracle. Ms. Holbrook graduated with a B.S. in Computer Science from the University of Maryland University College (European Division), and holds an M.S. in Technical Management from The Johns Hopkins University, where she has also been an instructor in the Graduate Systems Engineering program. She serves as an Industry Mentor to students in UMBCís Center For Women in Technology (CWIT), and participates in activities to encourage more women to pursue STEM careers. She is a certified Project Management Professional (PMP) and is a member of the Armed Forces Communications and Electronics Association (AFCEA).

Kathy BauerKathy Edwards
Security Manager
Ms. Edwards joined Praxis Engineering as Security Manager in March 2006. She is responsible for effectively executing all aspects of our company’s security and serves as a security expert providing personnel, physical, and AIS security to selected Government sponsored programs and special purpose facilities in accordance with the National Industrial Security Program (NISP).

Prior to joining Praxis, Mrs. Edwards managed white-collar crime cases for the Anne Arundel County State’s Attorney’s Office, after which she served as a credentialed Special Agent/Counterintelligence Investigator for the Department of Defense. Mrs. Edwards has managed both large and small security departments and has over 25 years of experience in Facility and Industrial Security Management, Investigation, Administration, Program Management, Sales and Marketing.

Mrs. Edwards has BS in Criminal Justice from University of Maryland University College and earned her Industrial Security Professional Certification from the National Classification Management Society. She is certified as a Facility Security Officer (FSO) from Defense Security Service as well as a Contractor Special Security Officer (CSSO) and Communications Security Custodian Official.

Debbie MobleyDebbie Mobley
Human Resources Manager
Ms. Mobley joined Praxis Engineering in June 2010. She has worked with a series of rapidly growing businesses specializing in high technology and engineering services. She started and managed the Human Resources departments for numerous rapidly growing companies, assuming responsibility for developing the infrastructure while planning for the strategic evolution of the HR function.

Ms. Mobley has over 25 years of experience providing consulting services and directing human resources activities. She has developed technology expertise, communication, and problem solving skills across various functional areas including recruitment, benefits, compensation, EEO/AAP, training and development, coaching and employee relations, performance management, risk management, payroll, and operations.

Ms. Mobley is a member of the Society for Human Resources Management, AFCEA, Women In Intelligence Group, ACE HR Group, Carroll County SHRM and the Howard County Human Resources Society (Chair of Professional Development). She holds a Master's in Business Administration from Loyola College where she graduated with honors.

Mike SchepersMike Schepers
IT Manager
Mr. Schepers joined Praxis Engineering in 2004 as the Manager of Information Technologies. Mr. Schepers has over 23 years of diverse industry experience including senior management roles focused on both private and public sector businesses. Most recently, Mr. Schepers was the Site Manager responsible for all IT operations for LogSec Corporation, and prior to that spent 8 years at CIENA Corporate where he served as the Director of IT Infrastructure for their global operations spanning 47 locations, internationally.

Mr. Schepers has a BS in Computer Science from the University of Maryland and several technical industry certifications; including CISSP, VPN, CCNP, CCDP, and MCSE.

Scot BradleyScot Bradley
Director of Contracts
Scot Bradley brings over 15 years of federal, international, commercial and state and local contracting leadership experience. Over his career he has supported a wide variety of the intelligence community customers across a wide domain of missions and technologies including geospatial, open source, and human language products as well as information assurance, integration, system/hardware design and manufacturing, big data/analytics/cloud computing, digital signal processing and geolocation, and national/tactical processing systems. Mr. Bradley has managed teams supporting very large contracts including a DOD IDIQ contract, with over 6 Billion dollarsí worth of funded task orders; with 1,500 direct charge positions, including 70 subcontractors providing life cycle management across the entire spectrum of systems within the worldwide DISN. He helped establish the one-time largest commercial Common Criteria Testing Laboratory (CCTL) within the National Information Assurance Partnership (NIAP) Common Criteria Evaluation Scheme (CCEVS). Mr. Bradley has a Bachelorís degree from Indiana University.

Vivian ArthurVivian Arthur
Corporate Controller
Ms. Arthur joined Praxis in 2015 as the Corporate Controller. Ms. Arthur brings over 30 years of finance and accounting experience, including providing senior level leadership experience to international, public, and private companies across multiple industries. Her proven hands-on approach includes focusing on operational efficiency and continuous process improvement to build and lead effective finance and accounting teams, strengthening compliance, financial analysis, developing & leading the annual operating budget and planning process, as well as accounting systems integrations and conversions. She has actively participated as the finance lead in merger & acquisitions on both the buy- and sell-side, as well as provided her expertise in integrating accounting and finance functions post-merger, and buy/sell.

Ms. Arthur earned a B.S. in Business Administration from the University of Baltimore, a Master of Business Administration from Loyola University Maryland, and is a Certified Public Accountant licensed in the State of Maryland.

Mark KleinMark Klein
Member of the Board
As a principal and co-founder of Praxis Engineering, Mr. Klein currently serves on the Executive Management Board. In this role, Mr. Klein provides expert counsel and guidance to the Executive Management Team. Mr. Klein has over 35 years of diverse experience in the Intelligence Community from serving as a linguist and analyst in the United States Army, to performing software engineering, program management, and senior executive management in both the Federal Government and private industry.

Mr. Klein has a B.S. in Information Systems Management/Computer Science from the University of Maryland University College, and is a certified Project Management Professional (PMP) from the Project Management Institute (PMI). Mr. Klein is an armed services veteran, having served in the United States Army where he received the Army Commendation and Joint Service Commendation Medals for meritorious service.