|NBA Experience||3rd season|
|Born||April 14, 1991|
|HS||GlenOak High School (Canton, OH)|
|College||Malone University 13' (Canton, OH)|
JB DeRosa is in his third season as a full-time NBA official. He worked 92 regular-season games in his two seasons. DeRosa officiated in the NBA G League for five years, working the Finals in 2016 and 2017.
DeRosa 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. JB excelled in track and field in high school and college.
During the offseason, he enjoys playing golf and traveling with his wife.