After Vietnam, Miller ran ski shops in Portland, ME and was a sales representative and later national product Manager for the Head Ski Company(owned at the time by AMF). Miller re-joined Case-Hoyt, a commercial printing company, where he had started as a sales representative in 1967. By 1982, he was the President and CEO of the company. Miller held a variety of positions at the
University of Rochester and eventually served as senior vice president and chief operating officer of the university from 1996 to 2000. He was a trustee of
Hobart and William Smith Colleges, and served as the vice chancellor and chief operating officer of the
State University of New York. On May 2, 2003, the Hartwick College Board of Trustees announced that they unanimously endorsed Miller to become the next president of Hartwick College. During his time as president of Hartwick College, he presided over increases in both enrollment and the college endowment. On May 10, 2009, Miller announced his intentions to run for mayor of Oneonta. A political Independent, he sought endorsements from all of the city's political parties to go along with his 'Collaborate for Oneonta' ballot line. Despite being a co-chairman for Republican state senator
James Seward's reelection campaign in 2008, the city's Republican committee declined to endorse Miller and also declined him the chance to force a primary. The county Democratic committee allowed him to run in their primary, where he won with 77 percent of the vote. He raised over $11,000 for his campaign and won. Miller ran for reelection unopposed in 2013. == Personal life and death ==