Our Staff, Fall 2021 Jerry L. Phillips, Ph.D. Executive Director, Excel Centers & Director, Science Center My office is in CENT 204C (in the southwest corner of the Science Center). Feel free to stop by to talk. Deborah L. Sather, Ph.D. Assistant Director Clayton Hull-Crew Senior Peer Tutor, Supervisor & Mentor David Danis Senior Peer Tutor, Supervisor & Mentor Sean Vasas Senior Peer Tutor, Supervisor & Mentor Marcus Aguilar Front Desk Assistant Israel Baltazar Front Desk Assistant Hayley Hildebrand Front Desk Assistant Quang Tran Front Desk Assistant Sarah Aragon Peer tutor, Chemistry & Biology Wendt Griffin Peer Tutor, Chemistry & Biology Christopher Herz Peer Tutor, Chemistry & Biology Madison Johnson Peer tutor, Chemistry & Biology Sean Kautz Peer tutor, Chemistry & Biology Natasha Mastalka-Tatro Peer tutor, Chemistry & Biology William (Billy) Stone Peer tutor, Chemistry & Biology Sarah Tashbook Peer tutor, Chemistry & Biology Sam "Z" Ziebelman Senior Peer Tutor, Physics
Jerry L. Phillips, Ph.D. Executive Director, Excel Centers & Director, Science Center My office is in CENT 204C (in the southwest corner of the Science Center). Feel free to stop by to talk.
