People

Meet Our Team.

Dennis Paustenbach

PHD, DABT, CIH

President & Chief Scientist

David Brew

PHD

Senior Toxicologist

Jonathan Heywood

MPH

Senior Toxicologist

Careen Khachatoorian

PHD

Toxicologist

Ross Shore

PhD

Toxicologist

Grayson Abele

BS

Associate Toxicologist

Michael Stevens

BS

Associate Toxicologist / Biomedical Engineer

Brett Tuttle

BS

Biomedical Engineer

Blake Langenbach

MSPH

Associate Industrial Hygienist

Sydney Litvin

BS

Assistant Health Scientist 

Sarah Smallets

MPH

Associate Health Scientist

Katelyn Brew

Information Professional

Frances Conner

BA

Executive Administrator