Chris grew up in the Chicago area and was a two-time All-State pitcher/first baseman at Lockport Township High School. The left-hander was offered a full scholarship to play at the University of Arkansas, but opted instead to sign with the K.C. Royals after being drafted in the 7th round of the 2001 amateur draft.
Coach Tierney played professionally for 11 years, pitching in both the Royals and San Diego Padres organizations until 2011.
He has been teaching pitching since 2004, instructing hundreds of students in private and group settings. Since 2012, he has been the director of pitching, as well as the 17U head summer coach for Rhino Baseball.
Currently, he is an associate scout for the Cleveland Indians.