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Faculty and Staff

Mark Ellison headshot

Mark Ellison

David Laucks Hain Professor of Chemistry, Department Chair
Chemistry

Pfahler Hall 303B
610-409-3245
mellison@ursinus.edu

Joseph A. Gazzillo, Ph.D. Chemistry

Joseph Gazzillo

Lecturer
Chemistry

Pfahler 214
jgazzillo@ursinus.edu 

Danielle Klein headshot

Danielle M. Klein

Lecturer in Chemistry
Chemistry

Pfahler Hall 313B
610-409-3676
dklein@ursinus.edu

Amanda Reig

Amanda J. Reig

Samuel H. and Anna M. Hess Professor of Chemistry
Chemistry

Pfahler Hall 205A
610-409-3383
areig@ursinus.edu

Pfahler Hall of Science

Mary Smeller

Lecturer in Chemistry
Chemistry

Pfahler Hall 313
610-409-3182
msmeller@ursinus.edu

Megan Tracy, Chemistry

Megan Tracy

Visiting Assistant Professor
Chemistry

mtracy@ursinus.edu
Pfahler 303A
610-409-3376

Ryan Walvoord headshot

Ryan R. Walvoord

Associate Professor of Chemistry
Chemistry
Pfahler Hall 303D
610-409-3345
rwalvoord@ursinus.edu
Eric Williamsen headshot

Eric Williamsen

Associate Professor of Chemistry / Co-coordinator of the Biochemistry and Molecular Biology Major
Chemistry

Pfahler Hall 313C
610-409-3413
ewilliamsen@ursinus.edu

Samantha Wilner headshot

Samantha Wilner

Assistant Professor of Chemistry
Chemistry
Pfahler Hall 205B
610-409-3354
swilner@ursinus.edu

https://wilnerlab.com/
Julianne Yost

Julianne M. Yost

Assistant Professor of Chemistry
Chemistry

Pfahler Hall 313A
610-409-3629
jyost2@ursinus.edu

Erin Benfer

Erin Benfer

Mobile Educator
chemistry, and environmental studies

ebenfer@ursinus.edu
610-409-3549
Pfahler Hall 303C

Aimee Black Headshot

Aimee Black

Administrative Assistant for Chemistry, Environmental and Sustainability, Physics and Astronomy & Math, Computer Science and Statistics

ablack@ursinus.edu
610-409-3609
Pfahler 203

Chemistry Logo Ursinus College

Tara Broczkowski

Chemistry Laboratory Manager

Tara Broczkowski
tbroczkowski@ursinus.edu

Pfahler 314B
610-409-3346

Emeriti Faculty

Victor Tortorelli headshot

Victor J. Tortorelli

Professor Emeritus of Chemistry
Chemistry
CoSA Poster session

CoSA 2025: Celebration of Student Achievement

April 23, 2025 | All Day
All Campus

Every April, we reschedule classes for a day so every student can participate in the Celebration of Student Achievement (CoSA). The day is filled with talks, poster presentations, and performances from hundreds of students from every discipline, from first-year students to seniors.