Denny is a lawyer with over 30 years in the biopharm industry. He began his career in the legal department at Abbott Laboratories but later joined the international marketing group. He left Abbott to join Rorer where he ultimately became Managing Director of Rorer Spain. Prior to forming Hsiri he was a founder and CEO of Cytokine PharmaSciences, a women's health company that, after 20 years, was successfully sold to Ferring in 2011.

Bill is a physician with over 30 years experience as a practicing pulmonologist, a researcher, a senior executive and, finally, an entrepreneur. He held management positions at Searle and SmithKline Beecham, eventually becoming worldwide head of clinical development at SKB. Bill was also president & CEO of Phoenix Data Systems, before selling the company in 2008. Prior to co-founding Hsiri, he worked as a consultant in the biopharm industry.

Marv is the George and Winifred Clark Professor of Chemistry and Biochemistry at the University of Notre Dame. His research has been involved in the discovery of antibiotics for the last thirty years. He is a consultant to a number of pharmaceutical companies on drug design and antibiotic discovery.

Thais worked as Vice President, Preclinical Development of Cytokine PharmaSciences, Inc. prior to its successful sale to Ferring, and previously worked at DuPont-Merck, Bristol-Meyers Squibb and other pharmaceutical companies. She has a Ph.D. In medicinal chemistry from Colorado State University.

Merc has over 30 years of experience in the chemical and pharmaceuticals industries. She began her career at Quaker Chemical but later joined Cytokine PharmaSciences where she worked as Director of Accounting and Administration before the company was sold to Ferring in 2011.