Sumitomo Chemical Announces Executive Leadership Appointments Across the Valent Group of Companies


SAN RAMON, Calif., and LIBERTYVILLE, Ill., April 7, 2022 – Sumitomo Chemical Company (SCC), parent company of Valent U.S.A and Valent BioSciences, today announced senior executive appointments, effective April 1.

Matt Plitt, executive vice president and chief operating officer of Valent U.S.A. since 2014, has been appointed president and CEO of Valent U.S.A., which includes subsidiaries Valent de Mexico and Valent Canada.  Plitt joined Valent in 2010 as vice president, Sales.  He has a proven track record of understanding and delivering on customer expectations in the agriculture industry, serving in a variety of leadership roles of increasing responsibility.

Plitt will report to Juan Ferreira, who has been named managing executive officer of SCC and executive vice chair of Valent U.S.A. Ferreira joined Sumitomo Chemical in 2019.  He leads and manages the business for the Latin America region.  He has served as a global advisor to SCC’s Health & Crop Sciences Sector including the Valent group of companies and now becomes the executive vice chair of the Valent U.S.A. Board of Directors.  This will enable greater collaboration and innovation across North and South America.  Ferreira will continue to report to Dr. Nobuaki Mito, Representative Director & Senior Managing Executive Officer (President of the Health & Crop Sciences Sector), Sumitomo Chemical.

Ted Melnik, executive vice president and COO of Valent BioSciences (VBC) has been named president and CEO of Valent BioSciences, which includes Pace International and Mycorrhizal Applications. He was named COO of VBC in 2013 and is leading the expansion of the global biorational business, a major focus area for Sumitomo Chemical.  Melnik will continue to report to Dr. Nobuaki Mito.

Andy Lee, president and CEO of Valent U.S.A., and Valent BioSciences has been appointed president and CEO of a newly created company that will integrate and provided corporate services across the Valent group of companies.  Lee will continue to report to Dr. Nobuaki Mito and will serve on the Board of Directors for Valent U.S.A. and VBC. Lee has served in key leadership roles in the North American agriculture industry and has led diverse teams and complex enterprise integration initiatives across the Valent group since 2011.


About Valent U.S.A.

Valent U.S.A. LLC, headquartered in San Ramon, Calif., develops and markets products in the United States, Mexico and Canada that advance sustainable agriculture, protect crops, enhance crop yields, improve food quality, beautify the environment, and safeguard public health. Valent products include a well-known line of quality herbicide, insecticide, fungicide, and plant growth regulator products for agricultural, seed protection and professional use.

Valent is a leader in marketing and sales of both traditional chemical products and biorational products developed by its affiliate, Valent BioSciences LLC. For more information about Valent or our full product line, please call 800-6-VALENT (682-5368) or visit

About Valent BioSciences LLC

Headquartered in Libertyville, Ill., Valent BioSciences is a subsidiary of Tokyo-based Sumitomo Chemical, and is the worldwide leader in the development, manufacturing, and commercialization of biorational products with sales in 95 countries around the world. Valent BioSciences is an ISO 9001 Certified Company. For additional information, visit the company’s website at

About Sumitomo Chemical Company, Limited
Headquartered in Tokyo, Japan, Sumitomo Chemical is one of Japan’s leading chemical companies. It offers a diverse range of products globally in the fields of petrochemicals, energy and functional materials, IT-related chemicals and materials, health and crop science products, and pharmaceuticals. For additional information, visit the company’s website at

For more information, contact:
Steve Tatum
(925) 951-3164

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