Sierra Marshall

Procurement contact · PBS R11 SPECIAL PROGRAMS FDA 80 BRANCH · General Services Administration

Email	sierra.marshall@gsa.gov
On SAM.gov notices	3 since Apr 2025 — 3 in the last 24 months
Last listed	Aug 2025

What they buy

NAICS	Industry	Notices
541330	Engineering Services	3

PSC	Product or service	Notices
C1AA	ARCHITECT AND ENGINEERING- CONSTRUCTION: OFFICE BUILDINGS	3

How they restrict competition

No set-aside stated — 3

What they post

Special Notice — 3

Listed alongside

Leslie Mendez-Guzman

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Source: SAM.gov contract notices that list this contact, including SAM's fiscal-year archives from FY2015. FedSift republishes public federal procurement data and is not affiliated with the U.S. Government. Is this you? Ask us to remove this page.