Each of the STA Business Divisions is managed by industry recognized experts to develop the right solutions for our clients. Our senior management team includes plant pathologists, seed production managers, molecular plant breeders and business managers. A network of leading university scientists, industry leaders, breeders, and quality assurance experts ensures our senior management team is abreast with current technologies and industry direction.

Darrell A. Maddox, President of STA Laboratories

Ana Cirilo, Business Operations Manager

John R. Mizicko, General Manager of STA Seed Quality Services

Gene Hookstra, General Manager of Genetic Services

Judit Monis, Ph.D., Manager of STA Plant Health Services

Additionally, Department Managers and Scientists with considerable knowledge in their respective fields have significant input into company decisions. Collectively, this team at STA Laboratories brings over 200 years of seed testing, plant health and genetic experience to our services to proudly provide the most reliable results so you can make the best possible business decisions for your seed and plant products.

Linda Barbosa, RST, Manager of Seed Analysis