Zach O'Brien is an assistant coach for New York Liberty of the Women's National Basketball Association (WNBA).
[1] O'Brien is from Schenectady, New York, where he attended Notre Dame-Bishop Gibbons High School.
He played basketball at Saint Joseph's College of Maine where he scored more than 1,500 career points for the Monks, earning Great Northeast Athletic Conference All-First Team honors as a senior in 2011–12.
[2] He subsequently played two years for Oxford Brookes University in England.
His professional coaching career began as a video coordinator for the Mercury (2019) and the Northern Arizona Suns (2019–2020) in the NBA G League.