Our Team

Please fill out our contact us form or email us if you would like to place an order, have a question, or need assistance. Our customer service is available Monday through Friday 8 a.m. – 5 p.m. Central Time.

Your contact information and inquiry may be shared with our authorized sales and technical service representatives in your area. We do not share any of the data you provide us with anyone outside of our organization or representatives.

Sales & Technical Service

Tim Lehman
Vice President of Sales & Marketing

Donna Knouse
Senior Technical Sales Manager

Tim Kilcoin, Ph.D.
Senior Scientist – Technical Sales

Steve Perry, Ph.D.
Senior Product Manager,
Reactor Systems

Steve Lierly
Export Sales Manager &
Calorimeter Product Manager

Conan Collins
Controller Product Manager

Tony Dietzel
Senior Technical Sales

Zack Schony
Technical Sales Representative

D Hansen
Technical Sales Representative

Ashlee Lopez
Sales Operations Manager

Sheana Golofsky
Sales & Customer Service

Melissa Oberman
Sales Support Specialist

Elli Weller
Sales Support Specialist