Interviews
Conversations with the people who shaped PET drug regulation. These spotlight articles share their stories, in their own words, as a record of the field's history.
OCTOBER 2026
The Rest Is History: Dr. Louis Marzella
Dr. Louis Marzella retired in 2026 after 31 years at the FDA, most recently as Director of the imaging division. He looks back on a career that helped shape the PET drug regulations and the rise of precision medicine.
Interviewed by Steve Zigler, Henry VanBrocklin, and Ashley Mishoe
MAY 2025
Radiopharmaceutical Visionary: Krishna Ghosh’s Transformative Role at the FDA
Dr. Krishna Ghosh retired as Senior Policy Advisor at the FDA after 15 years of shaping PET drug regulation. Her scientific leadership and regulatory innovation transformed the PET manufacturing community.
Written by Steve Zigler, Ashley Mishoe, and Sally Schwarz
MAY 2014
A Passion for Policy: Brenda Uratani
Dr. Brenda Uratani led the FDA's development of the PET drug GMPs, visiting facilities and serving as a key liaison with the PET community. Written on her retirement from the FDA, this article traces her path from review microbiologist to the FDA's expert in PET GMPs.
Written by Ashley Mishoe