Timothy is an Assistant Professor of Clinical Medicine in Pulmonary & Critical Care. His clinical work is spread across the UC Health and SFGH campuses and spans general pulmonology, interstitial lung disease, hospital medicine, and critical care. In 2024, he obtained his Master's Degree in Education with a focus in social sciences research at UC Berkeley. His academic work focuses on the interplay between personal and professional identity, including how to apply social learning theory to support the development of early career clinician-educators and prepare them to engage in scholarly pursuits. At the UCSF School of Medicine, he is the Professional Identity Formation Lead for the Physician Identity Weeks and the Director of the Curriculum Ambassador (CURAM) Program.

Timothy served as a chief resident in the UCSF Department of Medicine. He currently acts as an Associate Editor for the Journal of Graduate Medical Education, and he is the founder of MedEd Models and the principal content designer. He is the Lead Contributing Editor of Huppert's Notes, a first edition clinical handbook published by McGraw Hill. He is the AAMC's Medical Education Planning Committee fellow from November 2023 through November 2025. Timothy is also the Course Director for HPE Global, an international course for clinician-educators with a class roster spanning six continents.

Timothy has extensive experience as a medical education consultant, with notable relationships including work with Blueprint Test Prep, Glass Health, and McGraw Hill.