Brian Barnes completed his 17th season as the Russell Sage College head men's basketball coach in 2025-2026.

Barnes, at the helm of the program since its return in 2009-2010, guided the Gators to one of its finest seasons in 2025-2026.  Russell Sage went 21-5, 13-3 in the Empire 8 Conference, and captured the E8 Regular Season Championship and accompanying top seed for the Conference Championship Tournament. RSC, which won more than 20 games for just the second time in program history, went into the postseason as the top offense and rebounding squad in the E8. The Gators closed their regular season ranked 24th in the country in scoring and 13th in rebounding. His colleagues around the E8 voted Barnes, who surpassed the 200 career wins mark during the campaign, and his assistants, as the Conference's Coaching Staff of the Year.

Under his direction, the Gators earned postseason bids in nine of the team’s first 12 seasons, including three-consecutive appearances in the Empire 8 Conference Championship Tournament between 2020-2022, and were honored with a National Association of Basketball Coaches (NABC) Team Academic Award on four occasions. Barnes has now had more than 20 different players chosen to the NABC Honors Court during his tenure.

Additionally, the Gators were named the recipient of the 2021-2022 Sam Schoenfield Sportsmanship Award by the Collegiate Basketball Officials Association.

RSC competed in the Skyline Conference from 2009-2017, before joining the E8 for the 2017-18 campaign.

The 2014-2015 Gators went 23-5 and won the Skyline Championship and the program's first NCAA Tournament berth. Along the way, RSC went 13-0 at home in Kahl Gym and won the Skyline regular-season championship after a 15-3 performance.

Barnes was rewarded for his success as he was tapped as the Skyline Coach of the Year. The honors continued to pour in for the Gator mentor as he was named the 2015 NABC Atlantic Region Coach of the Year as well as the ECAC Metro Division III Coach of the Year and Atlantic Region Coach of the year by D3Hoops.com.

His players were also recognized for their success as senior tri-captain Kai Deans became the College's first All-American with a selection the 2015 NABC All-America Third Team. Deans, who was named Skyline Player of the Year was also honored with a selection to the ECAC Metro and D3Hoops Atlantic Region squads. Additionally, Travis Gill was tapped as the Skyline Defensive Player of the Year, while Andre Robinson was named to the Skyline First Team and earned the Skyline Tournament Most Outstanding Player Award.

In their final season in the Skyline Conference, the Gators won the 2017 Skyline North Division regular-season crown and the Skyline Tournament runner-up trophy. Barnes also recorded his 100th career win and led the team to a 17-10 record with an impressive 12-4 record in the league. The Gators earned six appearances in the Skyline Conference Championship Tournament under Barnes. 

Numerous Gators have been voted to the All-Conference teams, both Skyline and E8, with five scoring more than 1,000 career points.

He secured career win number 200 at SUNY Cobleskill on November 15, 2025.

Prior to his arrival at RSC, Barnes spent three seasons at Rensselaer Polytechnic Institute as the top Varsity Assistant and Head Junior Varsity Men’s Basketball Coach. During his tenure at RPI, Coach Barnes assisted in the development of three all league players including the Liberty League player of the year in 2006. Barnes was the lead assistant on staff of the 2006-2007 RPI team that received the Schoenfeld Sportsmanship Award for outstanding sportsmanship. Rensselaer further utilized Barnes’ recruiting skills in adding him as a part-time Admissions Counselor in the spring of 2007. Barnes contributed to an Admissions staff that recorded the highest number of applications in school history the following spring.

Prior to RPI, he worked as the Director of Basketball Operations at SUNY Albany. He helped build the UAlbany Basketball program into an America East power, overseeing day to day operations, supervising team managers, organizing campus visits and managing the recruiting database. He also served as the summer camp director for the UAlbany Boy’s Basketball camp, tripling the camp enrollment in just two summers. He has traveled around the country to coach and lecture at prestigious basketball camps such as Eastern Invitational and Five-Star Basketball Camp.

Barnes played four years of Division I basketball for the University at Albany and was named a tri-captain his senior season. He graduated Cum Laude from UAlbany in 2003 with a BA in Communications and went on to receive an MS in Educational Administration from UAlbany in 2005. 

Off the court, Barnes is active in the Albany community and was recently named to the board of directors of the Basketball Coaches Association of New York.