Chris Marshall, a former NCAA Division I swimmer, joined the Emory University varsity coaching staff in fall 2004. Previously, Marshall served at Emory for one year as the coach for the women's junior varsity team.

With Marshall on the coaching staff, the Emory women's team has won National Championships in 2005, 2006, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 and 2018, while the men recorded their first-ever team National Championship in 2017, second-place national finishes in 2005, 2009 and 2018, and third-place national finishes in 2006, 2007, 2010, 2011, 2012, 2014 and 2016. Neither team has finished worse than fifth nationally since he came to the school. He has helped the Eagles' swimmers to 41 individual and 40 relay National Championships, in addition to 867 All-America certificates.

Since joining the Eagles, Marshall has helped the team maintain its role as the dominant team in the University Athletic Association (UAA), winning the conference title in each of his 14 seasons. He was part of the conference coaching staff of the year in 2007, 2011, 2012, 2014, 2015, 2016, 2017 and 2018, and has coached 17 conference swimmers of the year and 14 conference rookies of the year.

Marshall swam two years at NCAA Division I Lehigh (PA) before transferring to NCAA Division I Florida State University. He earned four varsity letters in high school at Bolles School in Jacksonville, Florida.

Since moving to Atlanta in 1997, Marshall has been involved with the Dynamo Masters swimming program. He began as a swimmer, but in 1999 became an assistant coach for Dynamo Masters.

Marshall graduated from Florida State University in 1992 with a Bachelor of Science degree in industrial engineering. He later earned a Master's of Science degree in manufacturing engineering from FSU in 1997.