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.

Operations and Support

Mike Garrett

Mike serves as the Senior Vice President, Commercial and leads all of Envigo’s customer service, sales and marketing activities. Mike is a veteran leader of the life sciences industry with more than 25 years of experience in sales, marketing, business development, and strategic planning.

Operations and Support

Lisa Roberts

Lisa is our Director of Customer Service in North America. Her role involves ensuring customer service teams throughout North America meet the daily needs of our customers, both internal and external.

Operations and Support

Jim Harkness

As our Chief Operations Officer, Jim oversees daily deliveries, production, procurement of models, and compliance with regulatory guidelines.

Research models and services

Jennie Nelson

Jennie is a production manager responsible for two isolator facilities and one of our production warehouses. Jennie is responsible for the health and welfare of our animals in these facilities and ensuring teams adhere to regulatory and industry standards.

Research models and services

Paul Knepley, DVM

Paul's primary responsibilities center around animal health and well-being at 11 of our facilities. He focuses on a variety of areas such as herd health, clinical medicine and surgery, surgical model development, and bio-security and laboratory surveillance programs.

Research models and services

Viktoria Hyddmark, PhD

As part of our research and development team, Viktoria helps develop protocols that allow us to carry out services and assays to meet customer needs.

Research models and services

Tina Koban

As the Associate Director of Behavioral Sciences, Tina is helping develop a multi-faceted behavioral management program to improve animal environments.

Research models and services

Joe Warren

With years of practice in his field, Joe has the necessary skill set to provide scientific expertise and thought leadership to Envigo's transgenic and reproductive services.

Research models and services

Justin Zhao, PhD

Justin's work in animal model generation plays a vital role in the development of custom animal models for research.