While still a student at Berklee, he formed the group Forward Motion with Tommy Smith, Terje Gewelt and Ian Froman.

[4] Gardony's first album for Sunnyside Records was a critically acclaimed solo piano disc, Changing Standards.

[6] Gardony returned to Sunnyside in 2001 with a trio recording, Behind Open Doors which featured Jamey Haddad and John Lockwood.

His 2013 recording is a solo piano album, Clarity (Sunnyside)[12] In 2015 Gardony released a live sextet album, Life in Real Time (Sunnyside) with Bill Pierce, Don Braden, Stan Strickland, Yoron Israel and John Lockwood.

Then in 2022 Gardony recorded a critically acclaimed trio album "Close Connection" (Sunnyside) which was released in December, 2022 [15] Among other projects, he has also been involved in violinist Matt Glaser's group, The Wayfaring Strangers, a fusion of bluegrass and jazz.

Gardony's composition, "Meeting You There" was featured on Chihiro Yamanaka's Blue Note album, "Guilty Pleasure" [21] Gardony has been praised for his "fluid pianism" in The New York Times[22] and for his "uniformly high quality of compositions", harmonic complexity and emotional content which All About Jazz found to be comparable with Bill Evans'.