Born in Meriden, CT, on January 19, 1985, Charles Hesseltine graduated from Maloney High School and was named an All-State pitcher in 2002 and 2003. He was drafted in the 42nd round (1,245th overall) of the 2003 MLB Draft by the Texas Rangers – the only CT player chosen that year. Hesseltine chose to attend Pensacola Junior College in Florida seeking a higher draft pick, however tore his ulnar collateral ligament during the second week of the 2004 season. He underwent Tommy John surgery performed by Dr. James Andrews in Birmingham, AL. After rehabbing, Hesseltine played in the GHTBL during the summer of 2005.

In 2006, Hesseltine signed a professional contract for the Atlantic City Surf of the Atlantic League and then he ended up with the Bridgeport Bluefish in 2008. He was inducted into Maloney High School Hall of Fame in 2014. Hesseltine has worked as a pitching instructor at Home Run USA in Cheshire and has continued his role as ace pitcher in the GHTBL. Hesseltine stepped in to manage the Record-Journal Expos in 2017 and has been a top pitcher in the GHTBL since 2004. His day job is as a union carpenter and he lives in Hamden, Connecticut, with his wife Karla and son Charlie.