Guillen has appeared on the ballot in Starr County for more than two decades. Ryan Guillen grew up working at his family's feed store in Rio Grande City. That was his first education in how Starr County works — who needs something, and who has it. He went on to earn a bachelor's degree in agriculture from Texas A&M University, briefly taught high school agriculture, and then pursued public office. Guillen was elected to the Texas House in 2002 at 24 years old and took office