FY 2027 Sigma Xi Officers

President
David Allison
Profession of Pediatrics and Endowed Chair via Texas Children's Hospital
Baylor College of Medicine
Chief of Nutrition and Director, Children's Research Center, USDA-ARS

President-elect
Beverly K. Hartline
Professor Emerita
Department of Geological Engineering
Montana Technological University

Immediate Past President
Daniel I. Rubenstein
Class of 1877 Professor of Zoology, Department of Ecology and Evolutionary Biology
Director, Program in Environmental Studies, Princeton Environmental Institute
Princeton University

Treasurer
Ann V. Paterson
Nell Mondy Professor of Biology
General Herpetology Section Editor and Governing Board Member
Herpetological Conservation and Biology
President-elect, Society for the Study of Amphibians and Reptiles
E.E. Williams Award Coordinator

Executive Director & CEO
Jamie L. Vernon
Executive Director & CEO
Sigma Xi, The Scientific Research Honor Society
Publisher, American Scientist