Meet Our Team

Alan Katz
Chief Executive Officer

Bryan Katz
President

Christine McAlinden
Associate Director | Chief Operating Officer of toXcel International Ltd.

Julie Evans
VP, Strategy

Jennifer Symoun
Vice President – Engineering and Behavioral Sciences

Connie Welch-DuJardin
Vice President - Life Sciences

Nelson Cornwell
Staff Scientist

Lisa Davis
Regulatory Specialist

Olwyn Diggins
Senior Associate Scientist

Jennifer Fulford
Manager of Scientific Projects

Melba S. Morrow
Director of Toxicology

Sweta Ojha
Staff Scientist

Nicole Perkinson
Manager of Regulatory Affairs

Will Ruddock
Nonclinical Toxicology Consultant - Senior Scientist

Vladimir Savransky
Associate Director | Toxicology

Gary K. Whitmyre
Senior Director of Exposure and Risk Assessment

Allyson Barlow
Research Scientist

Katie Belt
Junior Transportation Engineer

Aaron Benson
Senior Human Factors Scientist

Paige Braude
Transportation Engineer

Holly Casey
Team Leader - Land Development

Gaby Cross
Transportation Engineer

Joy Davis
Team Leader - Transportation Policy and Engagement

Erin Filler
Director of Traffic Engineering

Sadie Hughes
Junior Transportation Engineer

Steve Jackson
Senior Statistician

Nicholas Kehoe
Chief Financial Officer

Amanda Keller
Research Assistant

Katrina King
Research Assistant

Dave Kirschner
Team Leader – Operations and Safety

Erin Kissner
Senior Associate Scientist

Pamela Kryschtal
Transportation Engineer

Caleb Losh
CADD Lead

Sabrina Mesawich
Junior Transportation Engineer

Sheryl Miller
Director of Human Performance and User Experience

Ginny O'Connor
Transportation Engineer

Phea Padgett
Administrative Assistant

Logan Palmer
Graphic Design & Marketing

Kase Poling
Transportation and Resilience Engineer

Paula Raymond
Senior Scientist

Carrie Redden
Director of Health and Planning

Rob Redden
Applications Developer

John Shutko
Director of Human Factors

Austin Svancara
Research Psychologist

Stephen Taylor
Transportation Data Scientist

Katie Wheeler
Research Scientist

Tina Barron
Director of Contracts

Heather Rigdon
Human Resources Coordinator

Crystal Turner
Office Administrator