As a child he lived in Woodbridge, England; Phoenix, Arizona; and Fort Walton Beach, Florida where his father was stationed while active in the United States Air Force.

He has taken photographs of many prominent musicians and bands during the mid-1990s through early 2000s, like Weezer,[2][3] Blink 182, Green Day,[4] Kid Rock, Ryan Adams, The Deftones, Rage Against the Machine, Ice Cube, My Chemical Romance, and Dr. Dre, and Christina Aguilera.

In 2015, Murphy was invited by BOTE Boards and the SweetWater Brewing Company in their efforts to raise funds for the Waterkeeper Alliance.

[6] During the summer of 2017, as part of Los Angeles's Grand Park's fifth anniversary, Sean was selected as one of ten Los Angeles photographers for a photographic exhibition where 100 images of Angelenos were projected 150 ft high and 100 ft wide onto the south wall of the mid-century L.A. County Hall of Records.

Primary visual content creator for BOTE boards outdoor lifestyle brand Sean has three sons, Ozzy, Tripp and Milo.