William Sietsema

Bill Sietsema, PhD has extensive experience in regulatory affairs and clinical development in the pharmaceutical industry. William (Bill) has held various leadership roles at companies such as Lisata Therapeutics, Amgen, INC Research, Procter & Gamble, and Mobay Corp.

At Lisata Therapeutics, Bill served as the Vice President of Global Regulatory Affairs, overseeing all regulatory activities and interactions with regulators in the United States, Japan, Canada, and Europe. William (Bill) successfully received SAKIGAKE designation for a cell therapy product in Japan and managed multiple INDs and other regulatory filings.

Prior to that, at Amgen, Bill was the Global Regulatory Lead, responsible for developing global regulatory strategies for a portfolio of early development oncology assets. William (Bill) provided regulatory input to program strategy and ensured successful development strategies across regions.

At INC Research, Bill held several roles including Vice President of Global Regulatory Consulting and Submissions and Vice President of US Regulatory Consulting and Submissions. In these positions, they managed strategy development for clinical trials and regulatory submissions, as well as agency meetings and applications.

Before their industry roles, Bill also worked as an Adjunct Professor of Pharmaceutical Sciences at the University of Cincinnati, College of Pharmacy, where they contributed to the design and organization of coursework in regulatory and clinical development.

Earlier in their career, Bill worked at Procter & Gamble, where they led research on bone therapeutics and pharmaceutical product development. William (Bill) also held roles at P&G Pharmaceuticals and Mobay Corp, where they focused on managed care strategies and metabolism chemistry respectively.

Overall, Bill Sietsema, PhD has a wealth of experience in global regulatory affairs, clinical development, and strategic planning in the pharmaceutical industry.

William (Bill) Sietsema, PhD, obtained a BA in Chemistry (bio) from the University of Colorado Boulder in 1977. William (Bill) then went on to earn their PhD in Biochemistry from the University of Wisconsin-Madison in 1982.