Medical Toxicology in Industry Program Fellows

Medical Toxicology in Industry - Year 1 Cohort
January to April 2022
Site Location: Bayer

Ari Filip, MD

Washington University School of Medicine
St. Louis, MI


Dr. Filip is a second-year medical toxicology fellow and board-certified emergency medicine physician at Washington University in St. Louis / Barnes Jewish Hospital. He received his medical degree at the University of Pittsburgh School of Medicine and completed residency training in emergency medicine at the University of Arkansas for Medical Sciences in Little Rock, Arkansas. Prior to starting fellowship, he worked as an emergency physician in the St. Louis area. His interests include healthcare policy and quality improvement as they relate to medical toxicology.

Powell Graham, MD

University of Massachusetts Chan Medical School
Worcester, MA


Powell Graham, MD is a Medical Toxicology Fellow and Clinical Instructor of Emergency Medicine at University of Massachusetts Chan Medical School in Worcester, Massachusetts. He completed his undergraduate education at Harvard University and his medical education at Central Michigan University College of Medicine. Dr. Graham completed his residency training at University of Massachusetts Emergency Medicine Residency Program where he served as chief resident. He is currently in his second year of Medical Toxicology Fellowship at the University of Massachusetts Medical School. His academic interests lie in the effects of cannabis and population health, particularly with regard to pediatric exposures and elderly falls.

Sasha Kaiser, MD

Rocky Mountain Poison and Drug Safety
Denver, CO


Sasha Kaiser, MD is a second-year medical toxicology fellow with Rocky Mountain Poison and Drug Safety. Her career path in medicine began while working as a pharmacy technician. She then earned her Bachelor of Science in Nursing before ultimately deciding to attend medical school at Florida State University. She completed her emergency medicine residency at Denver Health in Denver, Colorado. Her current research interests include acetaminophen toxicity, antidote therapies and critical care toxicology.

Shahnaz Sonya Rashid, MD

Toxikon Consortium
Chicago, IL


Sonya Rashid, MD, is an emergency medicine physician and first year medical toxicology fellow at Toxikon Consortium. She began her education at the University of South Florida where she majored in Biomedical Sciences. Dr. Rashid spent a year in AmeriCorps before attending medical school. She attended medical school at the University of South Carolina and completed her residency in emergency medicine at Jackson Memorial Hospital/University of Miami. Her clinical interests include drug development, cosmetic toxicology, and addiction medicine.