Tilles graduated in 1968 from Amherst College with a Bachelor of Arts degree and from the University of Michigan College of Law in 1971. He became Director of Law and Legislation for the Michigan Department of Education, was elected to the Michigan State Board of Education, and in 1975, he became the Executive Secretary to the Speaker of the Michigan House of Representatives. During this time in Michigan he taught education and the law at University of Michigan, Michigan State, Eastern Michigan and Central Michigan Universities’ Schools of Education. He was also the counsel to the Michigan Teacher Tenure Commission as well as a Special Education Hearing Officer. After being a candidate for U.S. Congress, he opened his own law practice in Washington, D.C. in 1978, until his return to Long Island in 1983 where he is a Director of Tilles Investment Companies. He is a member and past President of Temple Beth-El of Great Neck, is on the Board of The Jewish Outreach Institute and has been a member of the National Young Leadership Cabinet of the UJA. Roger Tilles was born and educated in Great Neck in their public schools. He and his wife, Jerry, and their daughters, Eliana and Hanaleah, still reside in Great Neck