Nathaniel J. Greeson

Listed in Washington, D.C. Super Lawyers, "Rising Stars," Government Contracts, 2026 Listed in The Best Lawyers in America: Ones to Watch, Government Relations Practice, 2021-2025 JD Supra Readers' Choice Award, "Top 10 Author," Government Contracting, 2026 N&S Property Services LLC, No. B-423852.2 (2026) Successfully represented protester client in a GAO protest involving a $25 million contract award issued by the Department of Homeland Security, Immigration and Customs Enforcement, for facility operations and maintenance services at Fort Benning, Georgia. Notably, this was the second successful protest victory for this client on the same procurement. Richard Group, LLC, B-422701.2 (2025) Successfully represented the intervenor-awardee in a GAO bid protest involving a solicitation issued by the Department of Veterans Affairs for construction of an outpatient clinic at the Coast Guard Air Station in Cape Cod, Massachusetts. DCS Corporation, B-423482.2 (2025) Successfully represented the intervenor-awardee in a GAO bid protest involving a solicitation issued by the Department of the Air Force for global mobility and special mission planning systems. I.M. Systems Group, Inc., B-422727.2, et al. (2025) Successfully represented the intervenor-awardee in a GAO bid protest involving a solicitation issued by the Department of Commerce, National Oceanic and Atmospheric Administration (NOAA) for scientific and technical services.  Telesto Group, LLC v. United States, COFC No. 24-1784 (2025) Successfully represented the intervenor-awardee in a high-profile U.S. Court of Federal Claims bid protest involving the Army’s conduct of the prototype phase of the Enterprise Business System – Convergence (EBS-C) program, which was conducted under the Army’s other transactions authority (OTA).  MicroTechnologies LLC, B-423197.2, et al. (2025) Successfully represented the protester in a large GAO bid protest involving a task order award issued by the Department of the Air Force for Combined Air and Space Operations Center for communications support for the U.S. Air Forces Central Command. OBXtek, Inc., B-422057, et al. (2024) Successfully represented the intervenor-awardee in a GAO bid protest involving a solicitation issued by the Department of the Air Force for pilot instruction and related services at several domestic and overseas locations. AECOM Technical Services, Inc., B-422030, et al. (2024) Successfully represented the intervenor-awardee in a GAO bid protest involving a solicitation issued by the Department of Homeland Security, Federal Emergency Management Agency (FEMA), for program integration and support services. Clearwaters Industries Solutions, LLC, SBA No. SIZ-6311 (2024) Successfully defended the contract-awardee in a size protest appeal before the Small Business Administration (SBA) Office of Hearings and Appeals (OHA).  Zolon PCS II, LLC v. United States, COFC No. 23-1420 (2024) Successfully represented the protester in a high-profile U.S. Court of Federal Claims protest involving the National Geospatial-Intelligence Agency’s issuance of a FAR deviation waiving SAM.gov registration requirements. The multiple-award contract at issue is valued at approximately $1 billion.  Classic Air Charter, Inc., B-421683.5 (2024) Successfully represented the protester, Classic Air Charter, Inc., in a GAO protest challenging the evaluation of proposals and issuance of a contract award by the U.S. Department of Homeland Security, U.S. Immigration and Customs Enforcement. The contract, valued at approximately $3.6 billion, was for charter flight services to be performed as part of the ICE Air Operations program. The KACE Company, LLC v. United States, COFC No. 23-387C (2023) Successfully represented the intervenor-awardee in a bid protest before the U.S. Court of Federal Claims involving a United States Secret Service solicitation for instructional services and training in digital forensics and cyber investigations. STG International, Inc.; North East South West Healthcare Solutions, LLC; COFC Nos. 23-47C; 23-175C (2023) Successfully represented the protester, North East South West Healthcare Solutions, LLC, in a bid protest before the U.S. Court of Federal Claims involving a medical staffing procurement by the U.S. Immigration and Customs Enforcement, which is valued at approximately $2.6 billion. Facility Services Management, Inc., B-420102.3 (2022) Successfully represented the intervenor-awardee, Valiant Government Services, LLC, in GAO bid protest involving a task order issued by the U.S. Army Corps of Engineers for operation and maintenance services supporting medical facilities at Travis Air Force Base, California. J.E. McAmis, Inc., B-420310 (2022) Successfully represented the intervenor-awardee in a GAO bid protest involving a solicitation issued by the Department of the Army, Army Corps of Engineers, for the Central Everglades Planning Project. Battelle Memorial Institute, B-420403, et al. (2022) Successfully represented the intervenor-awardee in a GAO bid protest involving a solicitation issued by the Department of the Navy for architect/engineering (A/E) services. Medline Industries Inc. and Concordance Healthcare Solutions, LLC v. United States, COFC Nos. 21-1174 & 21-1098 (2021) Successfully represented the lead protester, Concordance Healthcare Solutions, LLC, in a high-profile U.S. Court of Federal Claims bid protest challenging the U.S. Department of Veterans Affairs’ decision to non-competitively transfer its entire Medical-Surgical Prime Vendor (MSPV) program, worth an estimated $10 billion to $27 billion, to the Defense Logistics Agency. Tuba Group, B-419733 (2021) Successfully represented the intervenor-awardee, Quality Innovation, Inc., in a GAO bid protest involving a General Services Administration contract award for critical support services to GSA’s National Customer Services Center.