In this ACT ToxChats© episode, Dr. Shayne Gad and Samantha Gad of Gad Consulting Services host a question and answer follow-up discussion to the ACT Signature Webinar, The Role of Chemical Characterization in Biological Risk Evaluation of Medical Devices. During the first part of the podcast, they discuss diverse medical device categories for safety evaluation, explore novel aspects of biocompatibility evaluations accepted by the FDA, and address differences in safety assessments for regulatory bodies in the US and other countries. During the second part of the podcast, they provide career advice for ACT colleagues interested in transitioning from the pharmaceutical industry or academia to medical devices in toxicology.