LEADERSHIP TEAM

The Indigenous Graduate Student Association operates within a non-hierarchical leadership model that emphasizes shared responsibility and collaborative structure.
As the Executive Board, we value mutual accountability, collective decision-making, and creating space for all voices to contribute meaningfully.

IGSA Leadership Team

Sara Hernandez Profile

Sara Hernandez

Advisor
Susanna Plevyak Profile

Susanna Plevyak

Admin Staff/Purchaser for Org
Cheyenne Thomas Profile

Cheyenne Thomas

Vice-President
Lilijana Oliver Profile

Lilijana Oliver

Treasurer
Celeste Groux Profile

Celeste Groux

President
Jordan Johnson Profile

Jordan Johnson

Webmaster

Meet the 2026-27 IGSA E-Board

Cheyenne Reuben-Thomas 
Oneida & Tonawanda Seneca

President

Cheyenne Reuben-Thomas (Oneida/Seneca) is a doctoral candidate in ecology and evolutionary biology from the Oneida Nation of Wisconsin. She earned her B.A. in integrative biology from Buffalo State University; M.Sc. in ecology, evolution, genetics, and genomics from the University of Rochester; and now studies the effects of Indigenous Ecological Knowledge Practice Systems and settler land management practices on insect biodiversity.

Jordan Johnson 
Tuscarora

Vice-President

Jordan Johnson is a doctoral student in psychological sciences and human development from the Tuscarora Nation in Western New York. She earned her B.S. in psychology at the University at Buffalo, SUNY and completed her post-bacc at the Johns Hopkins School of Medicine and now studies how internal bodily signals shape emotions and cognition under the guidance of Adam Anderson and Eve De Rosa at Cornell.

Lilijana Oliver

Treasurer

Lilijana Oliver is a doctoral candidate in plant biology from Rush, New York. She earned her B.S. at Yale University and now studies polyploidy in plant development under the guidance of Adrienne Roeder at Cornell.