Our Staff & Consultants

We feel that our team is not limited to AMTS partners and employees. Important members of our team include our distributors, business partners and “on-demand” independent consultants, learn more about them below our employee bios.

Tom Tylutki
Tom TylutkiPresident and CEO
President and CEO, Tom Tylutki, holds a PhD from Cornell University and has been involved in the development and training of the original Cornell model since 1990.
Vajesh Durbal
Vajesh DurbalCDO
Vajesh Durbal was the programmer for CNCPS versions 4, 5, and 6, and is the programmer for the current version. He also programmed Cornell Cropware and the 2001 Dairy NRC Model. He holds a BS and MS from Cornell University, and an MS from Illinois State University.
Caroline Rasmussen
Caroline RasmussenCFO
Caroline Nowak Rasmussen has coordinated multiple economic and animal modeling projects at Cornell University. She is responsible for development and support of AMTS.Feedbank Manager. Caroline holds a BS from Cornell University.
Lynn Gilbert
Lynn GilbertMarketing & Support
Lynn Gilbert is responsible for North American Marketing and Support. She holds an AS degree in Agronomy from SUNY Morrison and a BS in Animal Science from Cornell University. She is a practicing nutritionist in Upstate New York.
Mariann Fessenden
Mariann FessendenCommunications & Education
Mariann Fessenden, holding a BS from Cornell in Animal Science, wears many hats. She is our Academic Liaison, Distributor Champion, primary blogger, website manager, and documentation provider.
Astrid Steed-Hughes
Astrid Steed-HughesAdministrative Assistant
Astrid Steed-Hughes, serves as Administrative Assistant and is responsible for AMTS office operations. Astrid has an Associates Degree in Office Administration from Willhelm-Merton Vocational School, Frankfurt, Germany.
Fred Rasmussen
Fred RasmussenSupport & Maintenance
Fred Rasmussen is responsible for Support and Maintenance of AMTS.Cloud, AMTS.FaaS.CNCPS and multiple other projects. He graduated from the University of Michigan – Ann Arbor, with B.S. and M.S. degrees in Mechanical Engineering. Fred is one of our contractors who fulfills a vital support role for our team.
Sam Fessenden
Sam FessendenTechnical Support
Sam holds three degrees in Animal Science: a PhD and a BS from Cornell University and a MS from University of Minnesota. Sam has been working with and conducting research using the CNCPS model since 2010. His PhD research focused on rumen nitrogen metabolism and prediction of amino acid supply. Sam provides global technical and nutritional support.
Ziwei (Vivian) Wu
Ziwei (Vivian) WuWeb Developer
Ziwei (Vivian) Wu is responsible for development and support of AMTS web applications. She holds a MA in Industrial & Organizational Psychology and a MS in Computer Science from Hofstra University.

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