Shawn was born in Anderson, Indiana in 1965. He graduated from the University of South Florida in 1987 and the University of Florida, College of Law, in 1990. He returned to Tampa upon graduation and has lived in New Tampa ever since.
Shawn is the founder of the Tampa firm Shawn Harrison Associates where he practices in the area of commercial litigation, health care law, and government relations. Shawn is also a small business owner, founding Medical Collection Group, LLC in 2002, a background and asset screening firm serving the long term care industry. He has been recognized by his business peers with the Tampa Bay Business Journal's "40 under 40" award, an annual recognition of Tampa Bay's brightest and most successful young business professionals. In addition, he has achieved the highest recognition of professional competence and ethics for attorneys given, the prestigious "AV" rating by Martindale- Hubbell. He has also twice received the USF Fast 56 award, given to the fastest growing USF Bull-owned businesses in the world.
Shawn has a long history of service to his community. From 1996-1998 he served as Chairman of the Tampa Palms Community Development District, and the District achieved its first ever balanced budget under his Chairmanship. In 1999 he was elected to the Tampa City Council, one of the youngest ever to serve on the Council and the first person from New Tampa. Shawn was overwhelmingly re-elected to a second and final term in 2003. He was elected by his peers as Chairman Pro-Tem of the Council from 2004-2007. He also served as Chairman of the Hillsborough County Metropolitan Organization for Transportation from 2004-2007. While in office Shawn led the successful fight to reduce Tampa's tax rate for the first time in 20 years, created the City's first ever faith based initiatives program, and oversaw over $100,000,000 in transportation improvements to his District. In 2007 he was appointed by Governor Charlie Crist to the Tampa Bay Area Regional Transportation Authority, where he served until his election in November 2010 to the Florida House of Representatives. He was reelected to the Florida House in 2014 where he currently serves. Shawn sponsored The Fallen Heroes Family Tax Relief Act (HB 93, 2012) which was successfully adopted into the Florida Constitution by statewide referendum in 2012 as Amendment 9.
Shawn is the past Chairman of the New Fire District, Boy Scouts of America; current Trustee of Tampa's Lowry Park Zoo, past Board member of the Glazer Children's Museum, and past Cub Scout Pack 801 Committee Chair and Den leader.
Shawn is married to Susan (formerly Gall) Harrison of Panama City, Florida, an Attorney and Chief Operating Officer of Medical Collection Group, LLC. The Harrisons live in New Tampa with their two children.