Following his collegiate career, Lounsbury played six years of professional hockey — four with the Huntsville (Ala.) Havoc where in 2006 he lead defenseman in scoring with 55 points in 60 games. He also played for the Colorado Eagles and Fort Worth Brahmas.
When his playing career ended, Lounsbury headed back to Bridgton as an administrator. Thanks to an expansive network that extends from Division 1 to Division 3 coaches, Lounsbury successfully placed more than 120 players in NCAA College Hockey. Alumni have moved on to play at various Div 1 and 3 schools.
In 2016, Jon attended and helped run the Florida Panthers Development camp in Coral Springs, FL.
On a personal note, he and his wife Michelle are proud parents of Olivia Grace and Iyla Reese. Michelle has her own hockey connections. Springfield College grad and current strength and conditioning coach for Fryeburg Academy in Maine, Michelle worked for several years at Mike Boyle Strength and Conditioning training some of the best NHL players in New England.