Officers and Board

SCHC President

Tracy H. Graham
Ecolab Inc.

SCHC Vice President

Atanu K. Das
SDSWriter, LLC 

SCHC Secretary / Treasurer

Karin F. Baron, MSPH

Michelle Baker
Zeon Chemicals

Anne DeMasi
Rio Tinto Lithium

Allan Jemi-Alade, Ph.D.
Afton Chemical Corporation

Ari Lewis
Gradient

SCHC Past President 
Elizabeth Dederick, Ph.D.
ERM

Darcy M. Evans
Hexion

James C. Lee, JD
Hach Company

Chair, 4/1/24-8/31/25

Katie McGee, SDSRP
Sphera

Michele R. Sullivan, Ph.D.
MRS Associates

Danielle Svestka
ERM