RYAN remains open for business. Your safety is our top priority, here is how we’re responding to COVID-19.

Dr. Rodney St. John

Vice President/Agronomist

Dr. Rodney St. John is a Vice President and our Agronomist. He’s been in the lawn and landscape industry for more than 25 years. Rodney uses his PhD in Horticulture to develop our lawn programs and make sure that the products and programs we use will provide our customers with the best results and not harm the environment. Rodney was a professor at Kansas State University before joining RYAN in 2012.


He loves helping people; helping them to understand the environmental benefits of green healthy grass and helping them to create their beautiful landscapes.  Seriously, he loves to help people learn about the environmental, economic, and mental benefits of green healthy lawns, just ask.