WEST HARTFORD —Mike Krajewski of East Hampton has been appointed assistant coach of the Mandell JCC Sharks Swim Team, it was announced recently by David Laudati, the team’s head coach. Krajewski, who has more than five years of coaching experience, joins the Sharks coaching staff after an athletic career as a student at the University of New Hampshire (UNH), where he served as captain during his senior year. As a swimmer, Krajewski was a high school state champion, junior national qualifier, and four-time America East champion. After graduating from UNH, he coached the Cougar Aquatic Team (CAT) in Haddam Killingworth, eventually becoming head coach of the program in 2008. The Mandell JCC Sharks Swim Team is a nonprofit member of United States Swimming.