Our success is intimately linked to the accomplishments of each and every member of our department.
Each month, four members are nominated and featured to celebrate their commitment to patient care, education, and research.
Current Featured Anesthesiology Department Members
Catherine Gould, PA-C
Physician Assistant
Parita Jani, MD
ACTA Fellow
Sherry McKinnon
Manager of Clinical Research, Regulatory and Compliance
Andrew Schaffer, MD
Resident Physician
Featured Anesthesiology Department Members Archive
Tori Greenberg
Senior Coordinator of Payroll & Administration
Department of Anesthesiology Featured Member: April 2025
Tori joined WashU Medicine nearly five years ago and became part of the Department of Anesthesiology in December 2022. As the Senior Coordinator of Payroll & Administration on the finance team, she handles monthly clinical payroll, new hire onboarding, and various administrative tasks.
Originally from St. Louis, Tori earned her undergraduate degree in Human Resource Management from the University of Northern Iowa, where she was also a member of the swim team. In her free time, she enjoys staying active, cooking, exploring local breweries, and watching Cardinals games.
Stephen Gregory, MD
Division Chief, Perioperative Medicine; Medical Director, Center for Preoperative Assessment and Planning (CPAP)
Department of Anesthesiology Featured Member: February 2020
Stephen grew up in Wood River, Illinois and attended McKendree University for his undergraduate degree, where he was also a member of the track and field team. He went to medical school at Saint Louis University before moving to Duke for his anesthesia residency. In 2016, he moved back to St. Louis for a cardiac anesthesia fellowship at WashU and joined the faculty after his fellowship year. Stephen is currently the director of the CPAP clinic and co-director of the physiology course at the School of Medicine, and he splits his clinical time between the CPAP clinic and the cardiac operating rooms. He is interested in the influence of cognition on perioperative outcomes and in using telemedicine to improve perioperative management. In his free time, he likes to rock climb, cycle, and spend time with his wife, Katie, and their two children, Richter and Emery.
Andrew Griesbaum, ACNP
Nurse Practitioner
Department of Anesthesiology Featured Member: March 2026
Andy Griesbaum is an Acute Care Nurse Practitioner, practicing in the ICUs at Barnes-Jewish Hospital and Christian Hospital. He has been a member of the Department of Anesthesiology art WashU Medicine since 2021. He earned a BA in History from the University of Michigan in 2009—followed by a BSN in 2014 and MSN in 2020, both from Barnes-Jewish College Goldfarb School of Nursing.
Andy’s wife, Maggie, is also a Nurse Practitioner, and together they have a four-year-old daughter and a 7-month-old son. When not at work, Andy can be found indoctrinating his children into Michigan sports fandom, tinkering in the woodshop in his basement, watching historical documentaries, or playing games like Dungeons and Dragons.
Russell Groener, MD
Assistant Residency Program Director; Associate Professor, Anesthesiology
Department of Anesthesiology Featured Member: October 2020
Russell is an Assistant Program Director for Residency Education and an Associate Professor in the division of pediatric anesthesiology. He grew up in South Africa, graduating with a medical degree from the University of Cape Town. Before beginning his anesthesiology residency training in Johannesburg, he worked as a general practitioner in Manitoba, Canada, backpacked through South America for 6 months, and spent time at a rural hospital in South Africa, training nurses to practice primary health care in villages where there were no doctors.
After residency, he came to Washington University for fellowship training in pediatric anesthesia. He joined the faculty in 2002, after being in private practice in Cape Town. He especially enjoys working with residents and helping them develop from anxious tutorial newbies into skilled clinicians.
Outside of work, he enjoys gardening with his wife, running with his dog, and playing squash as often as he can.
Fun fact: “I was 33 years old before I was able to vote for the very first time. I stood in line for more than 6 hours with people like me without a single complaint – we were just so excited and overjoyed to be able to vote for Nelson Mandela to be president!”