Positive people


We hear from our customers that our people are what make the Envigo experience different. For this reason, we want to introduce you to the team that makes that Envigo experience a positive one. Here, these scientific and operational leaders share their background experiences and explain why they have a passion for the work they do.

Research models and services

Dawn Goolsby

Dawn is the Site Director of our canine breeding facility in Cumberland, Virginia. She gains great pride every time a customer successfully launches a new drug, medical device or procedure.

Research models and services

Jo Finney

As our Projects Services supervisor, Jo and her team work closely with project managers and operational leads to ensure our customers remain at the center of everything we do.

Research models and services

Jessica Payne

In her role as Planning and Operations Improvement Manager, Jessica oversees the supply management processes for all small research models and Teklad varieties in North America to ensure customers’ orders are fulfilled as efficiently as possible.

Research models and services

Richard Drucker

With over 40 years of experience in growing cells and 19 years at Envigo, Richard manages our bioproducts department. Richard enjoys educating customers about antibodies.

Teklad diet, bedding and enrichment

Jessica Flowers

Nutrition and diet formulation is the foundation for our Teklad rodent diets. Jessica works with our customers to develop a custom diet for their research needs and goals.

Teklad diet, bedding and enrichment

Tina Herfel, PhD

Dr Tina Herfel is a nutritionist for our Teklad Diets. She often collaborates with researchers to design diets specific to our customers' research needs.

Operations and Support

Graziella Oliva

Graziella leads the European Customer Service Team where she instills a strong 'can-do' attitude so her team can ensure their customers' success.

Research models and services

Helmut Ehall, DVM, PhD

As Senior Vice President, Veterinary Sciences, Helmut is responsible for the health and welfare of our animals, and for ensuring compliance with all the relevant animal welfare legislations and regulations.

Research models and services

Mandy Horn

Mandy is a part of the Veterinary Sciences Research and Support department at the Indianapolis site. Her role involves management of functions within the department and heads up our North America health monitoring program.