Meet Our Team
Leadership
Alan Katz
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
Toxicology and Life Sciences
Nelson Cornwell
Staff Scientist
Olwyn Diggins
Senior Associate Scientist
Jennifer Fulford
Manger of Scientific Projects
Melba S. Morrow
Director of Toxicology
Sweta Ojha
Staff Scientist
Nicole Perkinson
Manger of Regulatory Affairs
Madisson Powell
Assistant Scientist
Will Ruddock
Nonclinical Toxicology Consultant – Senior Scientist
Vladimir Savransky
Associate Director | Toxicology
Gary K. Whitmyre
Senior Director of Exposure and Risk Assessment
Engineering and Behavioral Sciences
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
Ginny O-Conner
Transportation Engineer
Phea Padgett
Administrative Assistant
Logan Palmer
UX and Graphic Designer
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
Firmwide Support
Tina Barron
Director of Contracts
Heather Rigdon
Human Resources Coordinator
Crystal Turner
Office Administrator
Who We Are
At toXcel, our team brings together diverse expertise in science, engineering, research, and consulting to deliver practical solutions for complex challenges. From advancing transportation safety and public health initiatives to providing behavioral research and regulatory support, our people are dedicated to helping clients achieve meaningful, data-driven results.
Get in Touch with Our Team of Experts
