Eric Wintemute
President & CEO
Eric Wintemute was elected to the post of of Amvac's President and American Vanguard Corporation's Chief Executive Officer in mid-1994. Mr. Wintemute had joined the company in January 1994 as Executive Vice President, Chief Operating Officer, and a member of the Board of Directors following American Vanguard's acquisition of GemChem Inc., a national and international chemical distribution company he co-founded in 1991. From 1977 to 1982, he worked for AMVAC in a variety of sales, purchasing, and production control capacities. Previously, as a Vice President and Director of R.W. Greeff & Co. from 1982 to 1991, Mr. Wintemute oversaw the national and international distribution of key AMVAC chemical products. Mr. Wintemute holds a Bachelors of Science in Economics from the University of California, San Diego.

David T. Johnson
Vice President & Chief Financial Officer
Mr. Johnson has served as Chief Financial Offer of the Company since March 7, 2008. He served as Finance Director for Amcor Flexibles UK Ltd., a five hundred million dollar manufacturer of decorative packaging and a subsidiary of Amcor, a multibillion dollar corporation based in Australia from June 2003 through March 2008. Prior to that he served as Vice President of Finance for Sterer Engineering, a subsidiary of Eaton Aerospace, an eight billion dollar Cleveland based multinational company from April 2001 through June 2003. David earned his business degree from the University of Coventry in Great Britain and is certified as a Chartered Financial Accountant.

Timothy J. Donnelly
Vice President, General Counsel, Chief Administrative Officer and Corporate Secretary
Mr. Donnelly recently has served as Vice President, General Counsel and Secretary at DDi Corp. (Nasdaq: DDIC), a publicly held printed circuit board manufacturer, since June 2000. Mr. Donnelly managed a broad array of legal responsibilities including business plan and strategy development, SEC filings, M&A, Sarbanes-Oxely compliance, corporate governance issues, securities offerings and private placements, as well as negotiations with the EPA. From 1991 – 2000, he served as Assistant General Counsel at Rockwell International Corporation where he handled M&A, various licensing agreements and corporate litigation for the company. From 1986 — 1990, Mr. Donnelly was an Associate with the law firm Latham & Watkins where his responsibilities included corporate transactional work and civil litigation. Mr. Donnelly holds a Bachelor of Arts Degree in English from John Carroll University and a Juris Doctor from Northwestern University Law School.

Glen Johnson
Senior Vice President and Director of Business Development
Glen Johnson joined Amvac in February, 1999. Mr. Johnson was previously the North American Senior Marketing Manager for Contract Sales at Zeneca Ag Products where he had also been in charge of product acquisition and licensing for North America. He has over twenty years experience in sales and marketing, acquisition and licensing, market development and field research and development with three multinational agrochemical companies. Mr. Johnson holds a Bachelors of Science degree in Biology and Chemistry and a masters of Science degree in Plant Chemistry from Northern Arizona University.

Douglas Ashmore
Vice President and Director of Manufacturing
Douglas Ashmore joined Amvac in March 1988. He is responsible for overseeing the operation of AMVAC’s four manufacturing facilities, including, among other things, synthesis, formulation, packaging and safety and health compliance. Mr. Ashmore holds a Bachelor of Arts in Business Administration from Texas A&M University.

Ian S. Chart
Vice President and Director of Regulatory Affairs
As Vice President and Director of Regulatory Affairs, Mr. Chart leads the company's effort to register and defend the company's products at EPA and other regulatory bodies worldwide. Mr. Chart is also Managing Director of AMVAC Chemical UK, Ltd. Prior to joining AMVAC, he was the Toxicology Manager of ICI Zeneca Agrochemicals for 12 years and Senior Regulatory Manager, covering worldwide regulations for 10 years. Mr. Chart was educated at the Metropolitan University of Manchester and he is a Fellow of the Institute of Biochemical Sciences.

Johann Venter
Vice President and Director of Technology
Dr. Venter joined Amvac Chemical on December 1, 2010 from Champion Technologies in Houston, Texas where he was Director of Research and Development. Johann received his Ph.D. in Organic Chemistry from the University of Port Elizabeth, Republic of South Africa and is the recipient of numerous fellowships, scholarships and honors. He is a native of South Africa and worked previously for the Atomic Energy Corporation of South Africa. Dr. Venter has extensive experience and expertise in industrial chemistry including process and product development, as well as pilot plant design, operation and scale-up.

Jim Lehman
Vice President, Director of Sales
Mr. Lehman became the National Sales Manager of Amvac Chemical in July 2010 after previously serving as Amvac’s Midwest Regional Sales Manager since the beginning of 2009. Jim has over 25 years of successful sales, marketing and product management experience – much of it spent with BASF and the American Cyanamid Company.  Since joining Amvac, he has been instrumental in attracting experienced talent to the Company’s sales organization, instituting better sales management responsibilities and installing a sales commission incentive system. Mr. Lehman holds a Masters degree in Ag Economics from North Dakota State University.

Robert F. Gilbane
President of GemChem
Mr. Gilbane has served as President of GemChem since June 1999. He served as Executive Vice President from January 1994 (when the Company acquired GemChem) to June 1999. He co-founded GemChem in 1991 with Eric G. Wintemute AND Al Moskal, who has since retired from the Company. Bob earned his B.A. Degree in Government from King’s College in 1972 and his MBA degree from the University of New Haven  in 1985.

Alfredo Pelaez
Director of International Business
Alfredo Pelaez is the Director of International Business for Amvac Chemical. Alfredo is a native of Colombia and is a U.S. citizen. He has worked in the agricultural chemicals and professional horticulture industries in the USA for the past 25 years. Previous to joining AMVAC in June of 2000, Alfredo was Director of Business for The Scotts Company in Latin America and Global Marketing Manager for Insecticides for FMC Corporation. Alfredo has a degree in Agronomy from the National University of Colombia and a Master of Sciences in Plant Pathology from the University of Minnesota.

William A. Kuser
Director of Investor Relations and Corporate Communications
Mr. Kuser joins American Vanguard from Chemtura Corporation (NYSE: CEM) where he held roles in corporate strategy and investor realtions over the last 12 years. His extensive career in the chemical industry includes prior experience in financial analysis, marketing, operations and business management. Bill earned his undergraduate B.A. degree in Economics from Rutgers University in 1973 and his MBA from the University of Pennsylvania-Wharton Graduate School in 1975.