Our Faculty

Meet the individuals who are moving the field forward.

The faculty of the Environmental Studies department have an international reputation for scholarship, as evidenced by the research published, awards granted and fellowships earned by department members. Click on faculty names for more information about each professor’s research, experience and contact information.


Beth Christensen
Program Director
Science Building, Room 220
p – 516.877.4174
e – christensen@adelphi.edu
Heather Liwanag
Graduate Coordinator
Science Building, Room 118
p – 516.877.4210

Theresa M. Schlosser 
Administrative Assistant
Science Building, Room 201
p – 516.877.4170
e – schlosse@adelphi.edu

Associate Professors

Beth Christensen
Program Director

Assistant Professors

Jessica Dutton  

Adjunct Faculty

Homar Barcena

J. B. Bennington

Ruth Coffey

Ryan Ehrhart

Emily A. Fogarty

Gus Kalogrias

J. Scott McMullen

Christine O’Connell

David Russo

Louis Siegel

Contributing Faculty

Anagnostis Agelarakis
Chair of Anthropology, Professor

Regina Axelrod
Chair of Political Science, Professor

Jonna Coombs
Biology, Associate Professor

John Dooher
Physics, Professor

Matthias Foellmer
Biology, Associate Professor

Aaren Freeman
Biology, Assistant Professor

Martin H. Garrell
Physics, Professor

Joseph M. Landesberg
Chemistry, Professor

Heather Liwanag
Biology, Assistant Professor
Graduate Coordinator

Mariano Torras
Business, Professor

Andrea Ward
Biology, Associate Professor

Justyna Widera
Chemistry, Associate Professor

Brian Wygal
Anthropology, Assistant Professor


Contributing Adjunct Faculty

Robert Lippman
Chemistry Adjunct Faculty  
Study Abroad
Adelphi students have the opportunity to study abroad nearly anywhere in the world.
Find out where you can go
Career Minded?
A degree in Environmental Studies can take you down many different career paths.
See where you can use your degree
Volunteer Opportunities
Get involved with a local organization to help protect our environment.
Find out how to participate