Senior Advisory Group



Greg Giddens
Greg GiddensGreg Giddens co-founded Potomac Ridge Consulting in January 2018 after retiring from the Department of Veterans Affairs. He retired with over 35 years of experience in engineering, management, leadership, procurement, and program management with 16 years as a member of the Senior Executive Service. Throughout his career, Greg established effective relationships with stakeholders across a broad spectrum including the White House, Cabinet Agencies, Congress, and private sector.

Greg served as the Principal Executive Director for the Department of Veterans Affairs (VA) Office of Modernization from April 2017 until his retirement in November 2017. Greg led the agency’s efforts to accomplish the Secretary’s overall modernization vision and to respond to the President’s Executive Order and OMB’s memo on reforming executive branch agencies.

He was appointed as the Chief Acquisition Officer (CAO) for the Department in April 2015 and also as the Principal Executive Director for the Office of Acquisition, Logistics and Construction at VA where he oversaw almost $20B in annual spend.

He previously served as the Executive Director of VA’s Office of Policy and Planning, Enterprise Program Management Office. He led the start-up of a new office working directly with the Deputy Secretary to facilitate the planning and execution of the Department’s 16 most critical initiatives. Prior to joining the VA, Greg served in several executive positions at the Department of Homeland Security leading efforts to design and implement cross-agency and international efforts related to immigration and border security. He also served as the executive in charge of all horizontal and vertical construction and facilities management work at Customs and Border Protection. At the United States Coast Guard, he served in executive positions in acquisition and program management as the Coast Guard was recapitalizing its surface and air fleet with a $15B plus program. Greg started his career in the Department of Defense working as an Electrical Engineer for the Air Force and transitioned into acquisition and program management working at locations in GA, OH, VA, and MA.

Greg is a Strategic Advisor to Government Executives (SAGE) for the Partnership for Public Service, a National Academy of Public Administration Fellow, and a member of National Contract Management Association’s Board of Advisors. He was selected to be a member of the Senior Executive Service in 2000 and has received several awards including the Presidential Rank Award for Distinguished Executive in 2005 and Federal Computer Week’s top 100 IT Executives Federal 100 award in 2007 and 2017. In 2017, Greg was also selected as the recipient of the Public Sector Partnership Award as part of the Greater Washington Government Contractor Awards, ACT-IAC’s Janice K. Mendenhall Spirit of Leadership Award, and the Coalition for Government Procurement’s Lifetime Acquisition Excellence Award.

Greg holds a Master of Science in National Resource Strategy from the Industrial College of the Armed Forces, a Master of Business Administration from Georgia College, and a Bachelor of Science in Electrical Engineering from Georgia Institute of Technology.

- top of page -

Dave Grant
Dave Grant

Dave Grant is a Senior Executive with over 34 years of experience in procurement, acquisition, program management, and leadership with eighteen years in the Senior Executive Service. Experienced leader of large complex multi-functional organizations, program management, acquisition planning, budgetary formulation and management, program lifecycle management, strategic planning and measurement of outcomes. Seen as an experienced leader of organizations across multiple Departments as well as representing the Agency with OMB, the Administration, Capitol Hill and Industry.

Mr. Grant is the Co-Founder and Partner of Potomac Ridge Consulting firm. Potomac Ridge has a deep understanding of Agencies’ critical mission needs, how to achieve their desired outcomes and the ability to help the private sector deliver their solutions to meet those Agencies’ needs.

Mr. Grant served as the Associate Administrator for Mission Support and Component Acquisition Executive (CAE) and was responsible for Agency-Wide integrated support operations consisting of: Procurement, Information Technology, Human Capital, Financial Management, Real Property and Facility Management, Asset Management, Privacy, and Security. For much of 2017, Mr. Grant served as the FEMA’s Acting Deputy Administrator. In this role, he was leading the operation of the Agency during transition of Administration and Departmental leadership and continuing of operations for critical Agency programs. He led FEMA’s internal operations and Disaster oversight while maintaining agency continuity in partnership with the Department of Homeland Security as well as the Agency’s State, Local, Territorial and Tribal partners during one of the Agency’s most historic hurricane seasons.

Prior to becoming the Associate Administrator for Mission Support, Mr. Grant served as the FEMA Chief Procurement Officer. In this role he led an organization of over 200 personnel dedicated to providing a full range of acquisition services and business solutions to all FEMA programs, partners, and stakeholders. Mr. Grant led multi-billion-dollar procurement initiatives in support of both steady-state and disaster activities and operations for FEMA.

Prior to his appointment as the FEMA Chief Procurement Officer, Mr. Grant served as Chief, Agency-Wide Shared Services (AWSS) for the Internal Revenue Service (IRS) where he provided oversight and direction to key operational and administrative divisions in support of IRS tax administration. He oversaw a staff of approximately 3,000 employees and managed a budget exceeding $3 billion in support of more than 100,000 IRS employees. His organization consisted of five operating divisions providing services for Procurement, Real Estate and Facilities Management (REFM), Employee Support Services (ESS), Physical Security & Emergency Preparedness (PS&EP), and Equal Employment Opportunity (EEO).

Prior to his appointment as Chief, AWSS, Mr. Grant served as the IRS Director, Office of Procurement, where he led a staff of more than 500 and managed the nationwide procurement program with an annual spending of approximately $2 billion and administration of contracts worth $15 billion.

Prior to his tenure with the IRS, Mr. Grant began as Department of the Army intern and held positions of increasing responsibility as a Contracting Officer with the Communications-Electronics Command (CECOM), primarily supporting the digital replacement for the Tri-Service Tactical (TRI-TAC) signal system providing echelon above corps tactical command, control, and communications capabilities.

Mr. Grant is a member of the Senior Advisor to Government Executives (SAGE) for the Partnership for Public Service, is a graduate of James Madison University and a recipient of numerous awards such as the Presidential Rank Award, Treasury and DHS Secretarial awards, IRS Commissioner awards, and FEMA Administrator awards.

- top of page -

Bookmark and Share

Social Media Links

facebook twitter linked in

Partner Spotlight

Upcoming Events

WHSR Luncheon
Wednesday, September 4th, 2019

Luncheon with Brian Harrell – The Assistant Director for Infrastructure Security, CISA – will be joining us for lunch on September 4th.



"Triumph Enterprises, Inc. is most appreciative of the opportunity to be an integral part of the WHSR/TSA OSC Small Business Focus Group. The experience has been extremely positive for us.

Having the opportunity to discuss small business procurement ideas and challenges with key decision makers in OSC - who are actively seeking real world inputs from small businesses such as ours - has been refreshing and rewarding.

We've had an open, honest, and forthright dialog with the senior leadership of OSC, and are 100% certain that our ideas have been heard and carefully considered."

Lee Plumb
Vice President, Triumph Enterprises, Inc.
"The WHSR/TSA Focus groups have proven to be an invaluable resource to gain greater insight into TSA as well as to have valuable conversations between a wide range of industry companies and TSA stakeholders. This type of open collaboration generates increased awareness of mission problems and can help create better targeted solutions from traditional and non-traditional market participants."

Don Fenhagen
Associate Partner, IBM
"The WHSR/TSA OSC Focus Groups allowed Engility to better understand not just what TSA's challenges are but why they are challenges. They also allowed Engility to learn the key technical, management, personnel, and corporate key factors that Industry must bring to the table to assist TSA and why they are important."

Peter Lierni
Senior Director, Engility
"The WHSR/TSA OSC Focus Groups provided a great opportunity for industry to communicate and collaborate with TSA over a sustained period about mutual goals, expectations, and challenges. Congratulations on a job well done. Let's keep the conversation going."

Steve Mikolaski
Director, Deloitte Consulting LLP
"The open exchange between TSA leadership and industry on the agency's operational challenges and objectives, facilitated by the Washington Homeland Security Roundtable, will have the beneficial effects of enhancing security, speeding deployment of essential technologies, and reducing costs."

Michael T. Dougherty
Director of Law Enforcement Solutions, Raytheon Company