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Our Leaders

Founding Lyons Family

Dr. Pearse Lyons

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

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

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

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

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

Alric Blake

Vice Chairman

As vice chairman of Alltech, Alric Blake chairs the executive committee. Prior to his current role, he served as chief operating officer and also spent four years as CEO, appointed by Alltech’s founder, Dr. Pearse Lyons. In this capacity, he was the… Read More

E. Michael Castle II

E. Michael Castle II

Chief Operations and Financial Officer

As chief operations and financial officer, E. Michael Castle brings integration to Alltech’s operational, finance and support teams globally, ensuring that they work in alignment and collaboration toward the company’s ambitious goals for growth and P… Read More

Senior Leadership

Patrick Charlton

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

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

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

Nick Smit

Nick Smit

Vice President of Africa

Nick Smit is vice president of Africa for Alltech. He grew up on a dairy and crop farm on the west coast of South Africa, and he attended Stellenbosch University in South Africa, from which he received his bachelor’s degree in agriculture, and the Un… Read More

Robert Walker

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 photo

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

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