Sharp has been a member of PSA since 1988. He had an active wet darkroom until 2006, printing both color and monochrome prints for competition. He spent many years putting on advanced darkroom techniques programs at PSA Conferences, council conferences, and clubs. He has now switched to digital capture and processing.
Sharp is a past Chairman of the Pictorial Print Division and served two terms on the PSA Board of Directors as the Vice President of Chapters, Clubs, and Councils. He received the PPSA distinction in 2004, the MPSA in 2011, the APSA Honor in 2011 and the FPSA Honor in 2012. He earned his GMPSA in 2013 and his GMPSA/B in 2017. He was elected Honorary PSA in 2018.
Sharp's main interest is pictorial photography.