AMGUARD hires industry veteran as southwest sales manager


June 5, 2024

René Berryessa

René Berryessa

AMGUARD Environmental Technologies has hired René Berryessa as its Southwest regional sales manager. He will serve pest management professionals (PMPs) in California, Arizona and Nevada via AMGUARD’s six manufacturing plants in the US and growing portfolio of new technologies, proven chemistries and green solutions.

Prior to joining AMGUARD, Berryessa held senior sales roles with Paragon, Newport Exterminating, Antbusters Pest Elimination, and EcoLab. Berryessa will report to Ryan Klein, AMGUARD’s vice president of sales. Berryessa cited AMGUARD’s commitment to innovation, intellectual property, and leadership in public health as compelling reasons to join the Research Triangle Park, N.C.-based company.

“We are very excited to welcome René to the AMGUARD team,” Klein said in a news release. “René is exactly what we were looking for in a regional sales manager for the Southwest region. He is well respected, and his vast experience in the sales and service side of the pest control industry will help AMGUARD deliver as an emerging growth specialty business.”

About AMGUARD Environmental Technologies

AMGUARD Environmental Technologies is an emerging provider of non-crop and specialty technology solutions for the U.S. public health; pest control; ornamental and greenhouse; golf; lawn and landscape; foodservice and consumer markets. It is the specialty markets division of AMVAC Chemical Corp., a wholly owned subsidiary of American Vanguard Corp. From its headquarters and labs based in Morrisville, N.C., part of the Research Triangle Park region, AMGUARD discovers, develops and commercializes a diverse portfolio of proven chemistries, innovative technologies and green solutions into diverse markets. Its team is committed to protecting the population from disease vectors, mitigating structural pest damage, creating healthy foodservice environments and outdoor living spaces, and maintaining outdoor sports and recreation venues. Its mission is to provide customers with powerful technology solutions to keep their businesses strong and growing.


About the Author

Heather Gooch

Heather Gooch is the editor-in-chief for PMP magazine. She can be reached at or 330-321-9754.

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