Daisy Chang

Daisy Chang serves as a Contracting Officer at the Defense Threat Reduction Agency (HDTRA1), where she plays a pivotal role in acquiring advanced scientific and technical capabilities to counter weapons of mass destruction and emerging national security threats. She manages complex procurement actions spanning research and development, analytical systems, and operational support services critical to the agency’s mission of detection, deterrence, and neutralization of chemical, biological, radiological, nuclear, and high-yield explosive threats. Her portfolio is heavily focused on high-consequence, science-driven acquisitions requiring rigorous technical evaluation and compliance with defense acquisition regulations. Chang maintains longstanding relationships with leading technical contractors including TECHTRANS INTERNATIONAL INC, BATTELLE MEMORIAL INSTITUTE, AERIS LLC, APPLIED RESEARCH ASSOCIATES, INC., and AMAZON WEB SERVICES, INC. These partnerships reflect a preference for established, mission-aligned organizations with proven expertise in defense science, systems engineering, and cloud-enabled analytical platforms. Her contracting approach emphasizes performance-based outcomes, technical innovation, and sustained collaboration with vendors capable of delivering rapid, scalable solutions under stringent security protocols. Chang’s procurement activity is entirely non-set-aside, with 100% of awards issued under full and open competition. This reflects a strategic alignment with HDTRA1’s need for specialized, high-capacity technical providers capable of meeting urgent national security requirements without socioeconomic restrictions. While small business participation is not formally prioritized in her portfolio, all acquisitions adhere to federal transparency and competition standards. Her primary procurement focus lies in NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences), with significant activity in nanotechnology (541713) and computer-related services (541519). She consistently procures advanced threat detection systems, forensic analysis tools, computational modeling services, and secure cloud infrastructure to support HDTRA1’s scientific and operational missions.