Jeff Conwell is the head coach of the Palm Springs, California-based Piranha Swim Team. Previously, he was the head age group coach at Canyons Aquatic Club in 1999. In 2005 he took over as Head Coach. He was also the Head Coach of the College of the Canyons Swimming and Diving program since 2006. Prior to joining Canyons, Conwell spent two years as an assistant coach at Cal State Northridge, an NCAA Division I program. Conwell's additional coaching stints include: assistant coach for CCAT/Class club swim team, head coach at Louisville High School, Crespi High School, and at Granada Hills High School, where he won a CIF championship and his swimmers set six CIF records in one year. Conwell was also an assistant coach at College of the Canyons for four years prior to becoming their Head Coach.
At Canyons, his accomplishments include more than 300 national age group rankings - over 30 of those being No. 1 in the nation - 16 Southern California records, and one national age group record. Since Conwell became the head coach of the Canyons Aquatic Club, the senior groups have accomplished: 25 Junior National qualifiers, 13 National qualifiers, 8 Olympic Trials qualifiers, and one National Junior Team Member.
In 2009 Conwell was named to the USA Swimming National Select Camp Staff in Colorado Springs at the Olympic Training Center and in 2011 participated in the USA Swimming Open Water Select Camp. Conwell previously was selected to coach the Southern California Swimming Western Zone team for five years beginning in 2000, and was named the Zone Head Coach during the last three years he coached the all star group of club swimmers, bringing home three straight team championships. Currently a member of the Southern California Swimming Board of Review and the Coastal Section Board of Directors, Conwell has also been an active player in Southern California swimming politics for several years.