He is best known for playing guitar in The Bomb with Jeff Pezzati of Naked Raygun, and Noise By Numbers with Dan Vapid of The Methadones.

Dean has also played in Tomorrows Gone, Cleon's Down, Yesterday's Heroes, Zero in Trust, The Story So Far, Four Star Alarm and Certain People I Know.

[2] Additional bands he has played, toured, and written with include Faded Grey, Textbook, Horace Pinker, Pink Avalanche and Schizoid.

[13][14][15] Formed in Chicago in 2012, Dead Ending is a super group of Chicago-based punk rock musicians Joe Principe (Rise Against) on bass, Derek Grant (Alkaline Trio) on drums, Vic Bondi (Articles of Faith) on vocals and Jeff Dean on guitar.

[16][17] A post punk rock band from Chicago featuring Justin Miller on Bass and Jon Drew on drums with Jeff Dean on guitar.