[2] Sinnott has served as the director of the Florida Infectious Disease Institute since 2004 and is the former Associate Dean of USF Medicine International, which he founded with Dr. Lynette Menezes.

[5] The team, led by Summer Decker PhD, successfully conducted a multi-site national clinical trial at Tampa General Hospital within a span of two weeks, a process that typically takes years, and produced swabs that cost approximately $0.25 each to produce.

Sinnott graduated from Columbus College in Georgia in 1971 and received a Master of Science degree from the University of South Florida in 1973 in microbiology.

In 1983, Sinnott was named director of clinical research in the University of South Florida Infectious Diseases and Tropical Medicine Division.

Sinnott was named the infectious disease coordinator at Tampa General Hospital and University of South Florida College of Medicine in 1985.

[8] In 2006, Sinnott served on Governor Charlie Crist's Transition Team, advising on health care.

[11] In 2019, Renaissance Weekend, an invitation-only annual gathering of leaders and innovators from various fields, invited Sinnott to become a member.