Callie Prassinos

Callie Prassinos serves as a Contract Specialist responsible for managing the full lifecycle of federal acquisitions, from requirements definition and market research through solicitation, evaluation, award, and contract administration. She plays a critical role in ensuring compliance with federal procurement regulations while aligning contracting actions with agency mission objectives. Her portfolio primarily consists of professional services contracts, with a strong emphasis on technical and scientific procurement activities requiring specialized domain expertise and rigorous performance evaluation criteria. While no specific contractor relationships are currently identifiable, Prassinos routinely engages with a broad spectrum of vendors, including large prime contractors and small businesses, particularly those with capabilities in research and development and computer systems design. Her procurement approach emphasizes competitive bidding, clear performance metrics, and transparent evaluation processes to ensure value and accountability. She fosters collaborative vendor relationships grounded in regulatory compliance and performance-based outcomes. Prassinos demonstrates a consistent preference for full and open competition, with 100% of her acquisitions conducted without set-asides. This reflects a strategic focus on maximizing market participation and selecting the most technically qualified offerors regardless of socioeconomic status, while still adhering to all applicable small business outreach and reporting requirements under FAR Part 19. Her primary procurement focus lies in NAICS 541712—Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)—where she acquires scientific testing, analytical services, and experimental design support. She also regularly procures NAICS 541512 services, including custom software development, systems integration, and IT infrastructure design. Her expertise spans technical domains such as laboratory automation, data modeling, and engineering simulation tools, making her a key liaison between technical stakeholders and contracting professionals.