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Conference Room

QED was founded in 2007 by Special Forces operators who built the

company to deliver services that embody the military’s culture of

Quality, Excellence, and Dedication

Meet Our Leadership Team

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Mark Witte, Founder, President & CEO

Prior to launching QED, Mark served in the US Army as a Green Beret supporting peacetime missions in Central and South America, as well as Afghanistan. Prior to his military service, Mark worked on construction projects, serving as a laborer and carpenter.


As the President and CEO of QED Enterprises, Inc., Mark is responsible for all financial and contracting aspects of the company. He directs the development and execution of the overall business strategy for the company, along with personally overseeing all QED construction projects.


Mark holds a bachelor’s degree in accounting and a master’s degree in computer resource and information management. These degrees, coupled with his experience in the US Army’s 3rd Special Forces Group, Chief Information Office, helped Mark deepen his understanding of everything from information technology (IT) systems management to cybersecurity. Mark’s professional experience and academic background have propelled him to successfully complete many IT and communication integration jobs for Federal Law Enforcement and the Intelligence Community.


When not leading the QED team, Mark enjoys relaxing with his family, going to church, and teaching people how to fly as a licensed flight instructor.

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Kristin Witte, Chief Operating Officer & Facility Security Officer

With more than 20 years of experience providing hands-on support to multiple functional areas, Kristin has supported QED’s growth from its inception. She is skilled in human resources, business development, program and performance management, fiscal management, and leadership development. Kristin is a proven operations professional with a master of science degree in labor and industrial relations.


As QED’s Chief Operating Officer and Facility Security Officer, Kristin spearheads QED’s executive team to develop and execute growth strategies to identify and develop new service markets, enhance current and strategic partnerships, and establish new teaming initiatives. She created and currently manages QED’s strategic growth and internal processes to ensure scalability and efficiency.


When Kristin is not working, she enjoys traveling with her family and going on hikes. When the stars align, Kristin loves live theatre, especially when she gets to catch a show in New York City.

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Ralph Gronlund, Vice President of Federal Solutions

With more than 30 years of experience deploying and delivering client-centric solutions across technology, construction, facilities management, and logistics in classified environments, Ralph helps QED build client relationships based on trust, high quality deliverables, and thought leadership.


In his role as the VP of federal solutions, Ralph identifies and executes strategic growth opportunities and oversees development of custom-solutions for our clients. To support program execution, Ralph spearheads QED’s client engagement. He identifies and removes barriers preventing optimal delivery of services, positively impacting clients’ operations, missions, and sustainability. Ralph supports the overall account management process by securing and leading resources and directing activities to support client business needs.


For fun, Ralph is an amateur photographer, videographer, editor, and producer. He enjoys mountain biking, camping, and household construction projects.

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Erin Barber, Vice President of Strategic Services

For more than 25 years, Erin has helped small businesses grow. She brings this experience to QED to scale internal processes and formalize client-facing processes and procedures. As VP of strategic services, Erin is responsible for developing and designing strategies and implementing new tools, technologies, and strategic processes to help the company operate more efficiently. She oversees QED’s marketing and branding initiatives, participates in corporate strategic planning, and works with the executive team to evolve QED’s strategic direction and support company growth. When needed, she supports business development, proposals, pricing, and talent engagement and development.


Erin spends her free time with her husband and two kids. She enjoys reading, traveling, family vacations to the beach, and making jewelry.

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Renée Marshall-Ross, Contracts Manager


Ms. Marshall-Ross has served as a Contracts Manager and Director of Contracts and Compliance for several small to large firms throughout the Northern Virginia area.  She has over 25 Years supporting, managing and negotiating contracts and procurement agreements, while strategically aligning with the organizations acquisition objectives.  
She has supported Commercial and Government Full Life Cycle Management of Pre-Award, Post-Award and Procurement processes.  She is highly knowledgeable and experienced with the establishment, implementation and enforcement of Contracts Business Processes/Procedures, and Risk Mitigation.  


Renée holds a Bachelor of Science in Business Management with National-Louis University, a Master Certificate with GWU/ECI in Contract Management and a Certified Schedules Contract Manager (CSCM) certification with NCMA, a member for over 15 years.

Renée has retired from a lengthy tenure in Therapeutic Foster Care of At-Risk Teenagers after 16 years of support; but enjoys continued support of the Foster Care and youth community and tries to be a constant supportive service to community members experiencing hardships.

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