In his first 19 seasons as head coach of Moravian, John Byrne has guided the Greyhounds to a 616-193 record, three NCAA Division III World Series appearances, 14 NCAA Division III playoff berths, 16 conference playoff appearances and 15 conference championships. Byrne earned his 600th victory in the second game of a doubleheader against Delaware Valley College on April 9, 2012.

Last season, Moravian won its fifth straight Landmark Conference Championship, participated in the NCAA Division III Union, NJ Regional and finished the year with a 35-11 record. In 2009, Byrne became the first coach in school history in any sport to win 500 games, and in June 2011, he was inducted into the Lehigh Valley Softball Hall of Fame at Pates Park in Allentown.

Byrne and his staff were named the Landmark Conference Coaching Staff of the Year in 2008, and Byrne and his staff were named the National Fastpitch Coaches Association Regional Coaching Staff of the Year in 2003, 2004, 2007 and 2010. Byrne was the Commonwealth Conference Coach of the Year four times.

Byrne, a 1982 graduate of Moravian, served as Athletic Recruiting Coordinator from 1985 to 1998. He is currently Assistant Athletics Director. A four-year starter on the baseball team, Byrne was an assistant baseball coach from 1983 to 1992, head volleyball coach in 1988 and assistant football coach from 1989 to 1997. Byrne served as associate head coach of the Philadephia Force in the National Pro Fastpitch League in 2007 and has worked as an associate scout for the Cincinnati Reds. He resides in Bethlehem with his wife Genevieve and daughters Rachel and Jamie.