Jersey Retired on February 20, 1998
 
GDS:
PACIS Player of the Year 1995, 1996 
NCISAA Player of the Year 1995, 1996 
All-Guilford Player of the Year 1995, 1996
 
NC State University:
As a stand-out point guard at NC State from 1996-2000, he was a three-year starter, served as a team captain and was an honorable mention all-conference pick.
 
During his freshman year in the 1997 ACC Tournament, Gainey guided the Wolfpack to the title game as the No. 8 seed. He set an ACC Tournament record by playing 160 minutes in four games and was honored as an ACC All-Tournament First Team selection.
 
Professional:
The 2017-18 year marked the first year at Santa Clara for Justin Gainey, who serves as an assistant coach. He served three years as the Director of Basketball Operations at Marquette University.  Prior to that, he served four seasons at Appalachian State as an assistant coach. While with the Mountaineers, he helped develop the point guards and multiple players into all-conference performers under head coach Jason Capel. Gainey joined Appalachian State in 2010 after spending one season as an assistant coach at Elon under head coach Matt Matheny. Prior to his season with the Phoenix, he spent three seasons on staff at his alma mater, NC State.  In three seasons on Sidney Lowe's staff at NC State, Gainey served as administrative coordinator (2006-08) and director of basketball operations (2008-09). He assisted in recruiting, scouting and coordinated the program's summer camps.
 
In addition to his college playing career and time as a coach, Gainey spent three seasons playing professionally both in the United States and abroad.  Gainey played in Europe for two seasons. He competed for Austria's Woerthersee Piratens in 2000-01 and was selected to the league's all-star team. In his second year, Gainey played for France's Olympique D' Antibes in the Pro A league. Gainey completed his playing career for the USBL's Pennsylvania ValleyDawgs.
 
Gainey and his wife, Courtney, have two sons - Jordan and Jayson.
Friendship - Scholarship - Sportsmanship
Greensboro Day School develops the intellectual, ethical, and interpersonal foundations students need to become constructive contributors to the world.