Robert Mayer (born February 25, 1957) is an American attorney who has also worked as a farmer, broadcaster, and industrial engineering technician. He was also a Republican member of the Missouri State Senate. His term expired in 2012 and he was replaced by Doug Libla. He resides in Dexter, Missouri, with his wife, the former Nancy Tuley, and their three children, Jason, Dustin, and Daniel. * Judiciary and Civil and Criminal Jurisprudence (vice chair) * Agriculture, Conservation, Parks and Natural Resources * Appropriations * Education.