Coach Charlie Griffiths is in his twelfth season. In eleven years at the helm of the team, Coach Griffiths has established CMS as one of the premier small-college programs in the Western United States. SCIAC results include 107 SCIAC individual titles, 86 SCIAC records broken, 63 SCIAC relay titles, 60 SCIAC meet records set, 43 SCIAC Athlete-of-the-Week Awards, 15 SCIAC team titles, 7 SCIAC Swimmer-of-the-Year Awards and a 139-11 SCIAC dual meet record. NCAA results include 39 swimmers earning 96 All-American or Honorable Mention All-American citations, 9 NCAA Top 15 team finishes and 5 NCAA individual titles. Overall results include a 155-48 dual meet record, varsity records set 129 times in 29 events and ASCA Awards for Excellence 10 years. He is ASCA Level V (highest possible rating) certified.

Coach Griffiths came to CMS from Denison University, where he served as assistant coach. During his three-year tenure, the school claimed its first NCAA Division III team title (2001 women), and snagged four additional runner-up trophies between the men's and women's teams. He worked with swimmers who produced 81 All-American performances, 21 national championship swims, 10 NCAA meet records, and 3 NCAA Swimmer-of-the-Year awards.

Prior to entering collegiate coaching, Griffiths was head swim coach and assistant aquatic director at the Oshkosh, Wisconsin YMCA. Under Griffiths the team won its first Wisconsin YMCA State Senior Meet championship. Additionally, the Oshkosh masters swim team he coached produced a bevy of USMS All-American awards, including a USMS national champion and record holder.

As a swimmer at Denison University, Griffiths was one of the most improved athletes in program history. Among other awards and honors, he served as team captain his senior year and gathered seven All-NCAC citations and NCAA cuts in the 100 fly in 1994 and 1995.

A native of Janesville, Wisconsin, Griffiths got his coaching start as an assistant with his former age group team, the J-Hawk Aquatic Club. He is also a coaching veteran at the Skip Kenney Stanford International Swim Camp and the Ohio State Swim Camp. Griffiths served as Deck Operations Crew Chief for the 2004 U.S. Olympic Swimming Trials in Long Beach, CA. He is head coach and director of the US Sports Camps/Nike Swim Camp at Claremont McKenna College.

In addition to his coaching duties, Griffiths is an Associate Professor of Physical Education at CMS.  In 2009, Coach Griffiths won the Glen R. Huntoon Award for Superior Teaching at Claremont McKenna College and was the first athletic department member to win the award since its inception in 1974.  Griffiths is the chair of the SCIAC swimming coaches committee and is the NCAA D-III men's representative to the board of directors of the College Swimming Coaches Association.

Griffiths, his wife, Katherine, and daughter, Charlotte, reside in Claremont.