Mark Duffield was hired as Penn State New Kensington's Head Men's Soccer Coach in November 2017. Duffield is originally from Chichester, West Sussex in England and first came to the United States in 2007 with coaching company Challenger Sports. He coached up and down the east coast before coming to Pittsburgh in 2011.
In 2012, he was appointed Head Coach of the Highlands High School Girls Varsity team. In his first season, he led the team to a program-best record of 15-4-0 after they previously went 8-10-0. Over 5 years at Highlands, his record was 54-29-4. Along the way, the team won its first playoff game in school history, beating previous champions Montour, and reaching the semi-finals in his final season (2016).
Duffield spent the 2014 season with Penn State New Kensington as an assistant coach under Jordan Valentine. During that time, Duffield was responsible for goalkeeeper training.
Duffield is the Director of Goalkeeping for Hotspurs Soccer club and a coach at the Youth Development phase. He joined Hotspurs in 2013 and has lead his teams to many tournament championships. He also led the 99/00 boys to the State Cup semi-finals. Duffield is also part of the PA West Olympic Development Program staff.
As a player Duffield played goalkeeper, representing his school and county (state). He also spent time on professional teams Portsmouth FC Youth and Crawley Town. After leaving Crawley, he played on a number of semi-professional teams in England. He spent a season playing for Parsippany Blues in New Jersey while coaching in the area.
Duffield holds a USSF National D, NSCAA National Diploma, NSCAA National Goalkeeper Diploma, Futsal Level 1 and a UEFA License.