Our Leaders

Dr. Pearse Lyons, an Irish biochemist and entrepreneur, founded Alltech in 1980 with the mission to improve the health and performance of people, animals and plants through natural nutrition and scientific innovation.
Founding Lyons Family

Dr. Pearse Lyons
Founder
Dr. Pearse Lyons, the Irish entrepreneur whose vision for improving global agriculture built a multibillion-dollar international business, died March 8, 2018.

Deirdre Lyons
Co-Founder & Director of Corporate Image, Design and Construction
Deirdre Lyons was born in Dublin, Ireland, graduating from University College Dublin in 1970. In 1977, Deirdre moved to Kentucky with her husband, Dr. Pearse Lyons, and their two small children, Aoife and Mark. Aoife held a Ph.D. in clinical psycholo… Read More

Dr. Mark Lyons
President and CEO
Dr. Mark Lyons grew up in the Alltech business, having traveled with his father and Alltech’s founder, Dr. Pearse Lyons, from a young age to visit customers. With experience working in all regions and nearly all departments — before even officially j… Read More

Dr. Aoife Lyons
It is with great sadness that the Lyons family and Alltech announce the passing of Dr. Aoife Louise Lyons on April 18, 2019. Aoife was known for her generous spirit and her continual drive to help others. As Alltech’s director of educational ini… Read More
Executive Leadership

Dr. Mark Lyons
President and CEO
Dr. Mark Lyons grew up in the Alltech business, having traveled with his father and Alltech’s founder, Dr. Pearse Lyons, from a young age to visit customers. With experience working in all regions and nearly all departments — before even officially j… Read More

Alric Blake
Vice Chairman and Interim Chief Financial Officer
As vice chairman of Alltech, Alric Blake chairs the executive committee. He also serves as Alltech's interim chief financial officer. Prior to his current role, he served as chief operating officer and also spent four years as CEO, appointed by Allte… Read More

E. Michael Castle II
Chief Operating Officer
As chief operating officer, E. Michael Castle brings integration to Alltech’s operational and support teams globally, ensuring that they work in alignment and collaboration toward the company’s ambitious goals for growth and Planet of Plenty™ vision.… Read More
Senior Leadership

Patrick Charlton
Vice President of Europe at Alltech
Patrick Charlton is vice president of Europe at Alltech, overseeing all of the company's European business. Previously, he was CEO of Alltech Coppens, a specialist aquaculture feeds company, which was acquired by Alltech in 2016. Over the 30 years h… Read More

Dr. Marc Larousse
Vice President of the Middle East
Dr. Marc Larousse is the vice president of the Middle East for Alltech. He previously served as vice president of business development and was responsible for managing partnerships and merger and acquisition strategies for the company. He graduated f… Read More

Paulo Rigolin
Vice President of Latin America
Paulo Rigolin is vice president of Latin America at Alltech. Most recently, he was the strategy director for Latin America, a position he held since his relocation to Brazil in 2017, where he worked intensely on the integration of Guabi into the glob… Read More

Robert Walker
European Growth Officer, Alltech; CEO, KEENAN
Robbie Walker is the European growth officer at Alltech. He also oversees key European markets for Alltech and serves as the CEO of KEENAN, which is part of the Alltech family of companies. Walker began his career by founding his own indoor farming… Read More

Jonathan Forrest Wilson
President of Asia-Pacific
Based in Beijing, China, Jonathan Forrest Wilson, president of Asia-Pacific, is responsible for leading Alltech’s strategy within the world’s largest feed market. With more than 25 years of experience living and working throughout the Asia-Pacific a… Read More