Leadership Team

Harold Stinger_resizedHarold Stinger is an accomplished engineering professional and entrepreneur. Mr. Stinger has over 40 years of experience in systems engineering, specializing in satellite telemetry reduction systems, photographic laboratory processors, and communications equipment. Prior to co-founding SGT in 1994, Mr. Stinger held progressively responsible management positions in the engineering field with companies that included Computer Sciences Corporation, Lockheed Martin, and Swales Aerospace. He has held key positions on numerous NASA missions, beginning in the late 1960s, and continues to provide guidance and insight to SGT’s engineers supporting NASA projects underway today. He holds a Bachelor of Science degree in Engineering and an Honorary Doctorate from Capitol Technology University.

Mr. Stinger is on the Board of Trustees at the Capitol Technology University in Laurel, Maryland, and is former Chairman of the Board of Directors at the Washington Bible College / Capital Bible Seminary in Lanham, Maryland. Harold was on NASA’s Minority Business Resource Advisory Committee for 4 years and is a former president of the Maryland Space Business Roundtable. He serves in the Maryland DLLR as Director of the Aerospace Sector for the Maryland Governor’s Workforce Investment Board. He also serves in the Maryland Department of Economic Development as Commissioner for Science and Technology.

He is the Senior Pastor of the First Mount Olive Baptist Church in Leesburg, Virginia, where he has served for 25 years.

KAM_resizedWith over 25 years of visionary leadership, Dr. Kam Ghaffarian is a successful entrepreneur dedicated to creating a company focused on employee well-being and operating with the highest integrity, while delivering the best technical solutions to his customers.

An accomplished corporate strategist and marketer, his vision and expertise have successfully taken a small engineering services company, which he and his business partner started in 1994, from just a dream to a company with offices nationwide and revenues exceeding $550M annually.

As President and Chief Executive Officer of SGT, Dr. Ghaffarian’s leadership is an integral part of the company’s notable growth and success. His ability to identify opportunities that align with the company strengths and cultivate business relationships with both partners and customers has resulted in continuous growth and a sound industry reputation. Most significant is his belief that to be successful you must do what you are passionate about. This mindset has kept him focused and committed to achieving his goals each step of the way.

In addition to establishing the framework and infrastructure necessary to continue the balanced growth of SGT, Dr. Ghaffarian enjoys opportunities to mentor other small businesses and contribute to the betterment of the community. Under his leadership, the company has developed partnerships with disadvantaged schools and provided intern opportunities for students in science, engineering, and project management programs.

Before co-founding SGT in 1994, Dr. Ghaffarian held numerous technical and management positions with companies that included Lockheed Martin, Ford Aerospace, and Loral. In these positions he quickly established a reputation for his entrepreneurial spirit, and for his ability to solve complex and technically challenging problems and develop new business opportunities.

Dr. Ghaffarian’s technical experience is in the fields of aerospace systems engineering and information technology. His accomplishments and success can be attributed to his commitment to education. He has obtained two Bachelors of Science degrees including a B.S. in Computer Science in Engineering and a B.S. in Electronics Engineering, a Masters of Science in Information Management, and a Ph.D. in Management Information Systems.

Dave WoltDave Woltis a seasoned business leader with over 35 years of Technical and Managerial leadership experience. Mr. Wolt’s experience includes management of Engineering Service Contracts for NASA, development of life-critical air traffic control equipment for the FAA and aviation administrations around the globe, production of military airborne avionics and ground communications equipment for the DoD and satellite ground systems for national agency customers.

In Mr. Wolt’s current position as the Chief Operating Officer, he has full responsibility and authority for the successful execution of SGT’s Technical Operations, which encompasses all customer programs. In addition to, integrating the Enterprise Operations of the company and serving as the executive lead on key business pursuits.

Prior to joining SGT, Mr. Wolt worked for Litton Industries (later acquired by Northrop Grumman Corporation) for a period of 25 years, rising to the leadership position overseeing a group consisting of two diverse P&L centers (Denro Systems and SATCOM Systems). Denro Systems provides voice communications systems for worldwide critical defense and aviation applications including 24×7 O&M contracts. SATCOM Systems was responsible for designing, manufacturing, installing, and providing world-wide field support of SATCOM ground terminals ranging from small VSAT terminals up to major hubs with 11+ meter antennas. This work was at the TSC/SCI level.

Mr. Wolt’s formal education includes an M.B.A. from American Graduate University, a B.S.E.E. from the Polytechnic Institute of New York, and numerous executive training programs at the Smith School of Business, Harvard Business School, and the Center for Creative Leadership.


Joe Morway_resizedAs Chief Financial Officer, Joe Morway oversees financial planning, corporate accounting and reporting, tax, treasury, business management, business systems, and earned value management. He has over 20 years of management experience in business finance. After earning an M.B.A. in Finance from the Florida Institute of Technology, he worked as a management consultant at KPMG Peat Marwick. Following KPMG, he was the Controller at Dynamics Systems, Inc., and later joined the Andrulis Corporation as CFO and Vice President of Finance and Administration. Mr. Morway has specific expertise in strategic planning, funding growth companies, treasury management/financial management, creating financial control processes, planning and implementing mergers and acquisitions, and leading corporate infrastructure organizations.

Joe Morway_resizedDr. Terry Tarbell is Executive Vice President of Business Development. In this role Dr. Tarbell is responsible for business development and capture management for NASA and DOD programs. He has 15+ years experience in marketing and capture management, winning over $5 billion in new business. As Capture Manager at SGT, led wins on JSC IMOC II, ISRDS2 at Ames, OMES and GGSG at Goddard, and ESC at KSC. Dr. Tarbell developed and taught BD and Capture Manager training courses for SGT employees and invited small business participants. Over the last 12 years he and his collegues have taught over 1,600 students. His experience also includes assignments as a Program Manager and Systems Engineer. He served 24 years in US Air Force in a wide variety of assignments. Dr. Tarbell was elected a Fellow of the American Meteorological Society and a Centennial Fellow by the College of Earth and Mineral Sciences, The Pennsylvania State University. His education includes Ph.D. and M.S. degrees in Meteorology from The Pennsylvania State University and a B.S. degree in Chemistry from The University of New Hampshire.

Charlie Goorevich_resizedCharlie Goorevich has over 30 years of experience in providing federal mission-specific science and engineering services. He delivers solutions that encompass development and integration of large and complex mission systems involving all aspects of Information Technology.

As the Chief Strategy Officer, Mr. Gooverich works closely with the SGT President and Business Development to establish the company’s strategic direction. His work with the SGT Business units to focus that strategy on future opportunities ensures that SGT maintains a competitive position in the marketplace. As the Business Unit GWAC/MAC EVP, Mr. Gooverich is responsible for supporting diversification through growing and running our GWAC center and winning and performing on Multiple Award Contracts (MACs) across the federal government.

Mr. Gooverich came to SGT from Perot Systems Government Services (PSGS), where he was the Executive Vice President and General Manager of the Science and Technology Division. He held profit and loss responsibility for over 800 employees and $128,000,000 of annual work supporting three agencies, NASA, NOAA, and DOE. PSGS was acquired from QSS Inc. where Mr. Gooverich, as a VP of Business Development, directed new business focusing on Army and government-wide acquisition contracts (GWACs) for Department of Homeland Security and government services administration.

Prior to joining QSS, Mr. Gooverich held senior-level positions at Computer Sciences Corporation — including managing the day-to-day operations of a 1,000 person organization with annual revenue of $220M. At CSC, He also provided leadership in all aspects of new business development — and served as Capture Manager on several of the company’s largest opportunities. He holds a B.S. in Electrical Engineering.

King_Jim_1Jim King has more than 30 years experience providing mission oriented Scientific, regulatory and information technology support to federal civilian customers including EPA, USDA, NOAA, USGS, DOE and DHS.
In Mr. King’s current position as the Senior Vice President of the Civil Business Unit he has responsibility and authority for the successful execution of SGT’s civilian programs for DOI, DOT, NOAA and PBGC. He is also leading SGT’s portfolio diversification and growth strategy for the Federal Civilian market. Mr. King has been with SGT since 2011 previously serving as Vice President for Business Development.
Previously Mr. King was with CSC for 8 years where he was a Business Development Executive and a Senior Director responsible for Federal Civilian business. Prior to that he was with DynCorp for 11 years and Viar and Company for 9 years where he held various program management and technical positions. He holds a B.S. in Biology from St. Mary’s College of Maryland.


Matt Yetman has 25 years of experience in contracts and finance related areas. Since 1997 he has led SGT’s business operations areas including contracts, legal, pricing, planning, security, and facilities, and has led SGT’s business infrastructure in growth to over $240M in sales. Prior to SGT, he worked as Accounting Manager for Lockheed Martin and has held prior positions in public accounting and in the financial services sector.

Mr. Yetman holds a B.S. in Accounting from the University of Maryland and a C.P.A. from the State of Maryland.

He serves as volunteer CFO for the Riverhill Interfaith Center, a not-for-profit organization located in Clarksville, Maryland.


Shelley_resizedAs Chief of Staff and Chief Human Resources Officer, Shelley Johnson provides senior leadership across a 2,500+ organization in the area of Human Resources, Corporate Communications, Ethics, Strategic Planning, Quality, Safety and IT. In addition to these organizational roles, Mrs. Johnson leads the company contract transition activity, ensuring successful contract operations on day one.

Prior to joining SGT, she held several roles with both government contractors and private companies. Roles included Program Management, Corporate Development, Marketing, and Strategic Partnerships.

Mrs. Johnson’s formal education includes a M.S. in Space Studies from the University of North Dakota and a B.S. degree in Aerospace Studies from the Embry-Riddle Aeronautical University.