|NBA Experience||1st season|
|Born||April 14, 1991|
|HS||GlenOak High School (Canton, OH)|
|College||Malone University 13' (Canton, OH)|
JB DeRosa is in his first season as a full-time NBA official. He officiated in the NBA G League for four years, working the Finals in 2016 and 2017.
DeRosa also has extensive collegiate officiating experience. He worked men’s basketball in the Horizon, Ohio Valley, Southland, Big South and Atlantic Sun conferences as well as Conference USA and the SEC from 2014-17. DeRosa also officiated women’s basketball in the Big East, American, Atlantic 10, Horizon, Mid-American, Summit, Ohio Valley and Atlantic Sun conferences from 2009-13.
The son of former NBA official Joe DeRosa, JB started refereeing in local CYO and recreational leagues in the Canton, Ohio, area at age 13. DeRosa excelled in track and field in high school and college. In 2008, he was a national champion in the 4×800-meter relay.
During the offseason, he enjoys playing golf and traveling with his wife, Caitlin.