The Harriet W. Sheridan Center for Teaching and Learning

Proctors and Head Teaching Consultants

Proctors, and Interdisciplinary Opportunity Fellows, are graduate students who engage in the activities of Centers and Institutes at Brown. Head Teaching Consultants work closely with Sheridan staff to facilitate Sheridan Teaching Seminar workshops, co-organize the TC invited-speaker series, and support the pedagogical development of graduate students.

  • Anna Dietrich

    Anna Dietrich

    Head Teaching Consultant

    Anna is a fifth year Ph.D. student in the Department of Mathematics. Before Brown, she earned a B.A. in mathematics from Amherst College. Her research is in the intersection of number theory and dynamical systems. Anna participated in the Sheridan Teaching Seminar in Fall 2023, and she has been involved in the Sheridan Center ever since. 

  • Juan Gallardo

    Juan Gallardo

    Senior Writing Associate

    A literary critic and creative writer from Los Angeles, California, Juan Gallardo is a fifth-year doctoral candidate in the English department. He is a scholar of Lacanian psychoanalysis, African American literature, narrative theory, and rhetoric and composition. This will be his third year with the Sheridan Writing Center.

  • Izzy Nagle

    Izzy Nagle

    Head Teaching Consultant

    Izzy is a fourth-year PhD candidate in the Chemistry Department studying cancer cell-surface carbohydrates and their role in targeted drug delivery. Izzy earned her B.A. in Biochemistry from Colorado College, with a minor in Education. This summer she is excited to teach her newly designed drug discovery course for STEM 9/10 as part of Brown Pre-College. Izzy first became involved with the Sheridan Center through participating in the Sheridan Teaching Seminar and will return as Head TC for the 2026/27 academic year. Outside of research and teaching, she enjoys biking, seeing live music, and listening to podcasts.  

  • Andrea Zoller

    Andrea Zoller

    Head Teaching Consultant

    Andrea is a fourth-year Ph.D. candidate in Italian Studies whose research explores identity formation among Northern Italian diasporas in Brazil and the United States. He is also interested in linguistic diversity in contemporary Italy, particularly in his native Trentino, where he examines the role of dialects in literary and artistic expression. He holds an M.A. in Russian Studies and an M.A. in Italian Language Didactics from Ca’ Foscari University (Venice). Passionate about teaching, Andrea has extensive instructional experience, including serving as a MIUR language assistant in Germany (2020–2021) and as Lecturer in Italian at Dartmouth College (2022–2023), where he also advised the Italian Living Learning Community. Andrea has been involved with the Sheridan Center since Fall 2024 and is now excited to serve as a Head Teaching Consultant, fostering a collaborative teaching community among fellow instructors.