The 2017 season will be Gregg Braun's ninth season at Joliet Junior College as the Associate Head Baseball Coach. He is in charge of the JJC Wolves catchers.

During the 2016 season, JJC claimed the Region IV Sectional Championship and finished with a 32-30 overall record. The Wolves finished as national runner-up at the 2015 NJCAA Division III World Series at the inaugural tournament in Kinston, North Carolina. The team finished with a 38-25 overall record. In 2012, Coach Braun added National Champion to his resume. The Wolves won 9 of their last 10 playoff games to finish with a 37-29 record and claim the NJCAA Division III National Championship.  

In 2011, the Wolves finished 6th at the NJCAA Division III World Series with a 40-23 overall record. During Coach Braun's first season in 2009, he helped lead the Wolves to a fourth-place finish at the NJCAA Division III World Series.

He spent the 2007 and 2008 baseball seasons as the assistant varsity baseball coach at his alma mater, Providence Catholic High School, where he coached under former, longtime JJC Assistant Baseball Coach, Mark Smith. Braun also coached football at Providence, coaching the secondary on the sophomore level. Prior to coaching at Providence, he spent one year at Romeoville High School as an assistant varsity baseball coach and a year at Lemont High School where he was a freshman assistant coach.

Braun attended Providence Catholic High School, where he was an all-area catcher on the baseball field and played free safety on the gridiron for the Celtics. He helped lead the Celtics in football to the final two of four straight IHSA State Championships in 1996 and 1997. He then continued his football career at Butler University in Indianapolis, Indiana. He lettered for the Bulldogs in 2000 and 2001, playing free safety for them as well. He earned his Bachelor of Science degree with a major in Telecommunication Arts and a minor in Journalism. Braun has his master's degree in Sports Leadership from Northeastern University in Boston, Massachusetts.

In addition to his baseball responsibilities, Gregg also works as a student-athlete retention specialist in the Athletic Department and serves as a trainer for the Chicago Chapter of the Positive Coaching Alliance.