Dan Bestul

Dan Bestul currently serves as Senior Director, Global Medical Affairs Operations at US WorldMeds since August 2025. Previously, Dan held the same title at Adaptimmune from February 2022 to August 2025. Dan's experience includes roles such as Field Medical Director at Constellation Pharmaceuticals, Director of Field Medical Affairs - Prostate Cancer at Advanced Accelerator Applications, and Director of Medical Science Liaisons at Verastem Oncology. Earlier positions include Regional Medical Science Liaison Director and Medical Science Liaison at TESARO, Inc., Medical Science Liaison for Heme/Solid Organ Transplant at sanofi-aventis, and Adjunct Assistant Professor at Wayne State University. Dan began his career as an Oncology Pharmacy Specialist at William Beaumont Hospital and as a Clinical Instructor at the University of Colorado Health Sciences Center. Dan earned a PharmD from the University of Wisconsin-Madison and attended the University of Wisconsin-Eau Claire for undergraduate studies.