Darrell A. Maddox, President, joined STA Laboratories, Inc. in 1991 as a Manager of Biochemical Services. In 1993, he was promoted to Vice President of Technical Operations and was named President in 1995. Darrell Maddox was instrumental in bringing seed health testing services to STA Laboratories in the early 1990’s, creating the only company in the United States to offer the seed industry all seed quality testing services. Most recently, Darrell has expanded the STA Laboratories, Inc. plant pathology services and products by signing a distribution agreement with BIOREBA AG of Basel, Switzerland, manufacturers of quality diagnostic kits and reagents for plant pathogenic viruses. Under his direction, STA Laboratories was honored in the year 2000, as one of the fastest growing companies in Northern Colorado by The Northern Colorado Business Reporter.

Prior to joining STA Laboratories, Darrell worked for the Asgrow Seed Co. as a plant pathologist. His primary duties at Asgrow included breeder support in development of pathogen resistant cultivars, seed health testing for quality assurance and plant pathology support and education for promoting healthy seed production.

Since graduating from Colorado State University in 1980 with his B.S. in plant pathology, Darrell has accumulated over 20 years experience in plant pathology related positions, 17 years of that, within the seed industry. In 1985, Darrell also completed his M.Sc. in plant pathology from Colorado State University. In addition, Darrell has completed the American Seed Trade Association (ASTA) Management Academy hosted by Purdue University.