Community Member Milestones
- Celebrating a new role:
Tasha Cammidge
Tasha joined Caltech’s sustainability department under facilities as the Green Labs Coordinator on July 21. Through Green Labs initiatives, Tasha aims to help the campus reduce energy and water use, cut waste, and build a culture of conservation—efforts that can save the university money while supporting research and education. Prior to this role, Tasha was a research technician and then lab manager at Caltech’s biology and biological engineering division.
- Celebrating a recognition:
Austin Brotman
Austin has been named a 2025 Gilliam Fellow by the Howard Hughes Medical Institute (HHMI), which supports promising PhD students pursuing impactful scientific research and fosters inclusive training environments. Alongside his advisors, Ralph Adolphs and Ueli Rutihauser, Austin will engage in professional development and join HHMI’s vibrant scientific community.
- Welcome (back) to Caltech:
Jennifer Treweek
Jennifer (BS ’04) joined Caltech as scientific director of the Merkin Institute for Translational Research on June 2. In her new role, Jennifer will advise on translational lab procedures, assist with proposal review, review project milestones with awardees, and provide guidance on project pivots to ensure that the translational and commercialization aims of the Merkin Institute are achieved.
- Welcome to Caltech:
Joseph Defraine Greenwell
Joseph joined Caltech on August 1 as associate vice president for student life and chief student affairs officer. In this role, Joseph will have direct responsibility for a broad student experience portfolio, working across departments to enhance the overall experience for both undergraduate and graduate students. Previously, Joseph held positions at Columbia, UC Berkeley, San Francisco State, Stanford, Colgate, and Vanderbilt.
- Welcome to Caltech:
Sharon W. Tran
Sharon joined Caltech on July 14 as the campus communications specialist in the Office of Communications and External Relations (OCER). In this role, she will support the development and deployment of the Institute’s internal communication strategy and help shape coverage of campus life. Previously, Sharon served as a career coach and communications coordinator at Stanford University.
- Welcome to Caltech:
Adriana Popescu
Adriana joined Caltech on July 1 as University Librarian. She previously served as Dean of Library Services at California Polytechnic University, San Luis Obispo, and has held leadership positions at the University of Notre Dame and Princeton University, where she was Head of the Engineering Library and the Furth Plasma Physics Library.