In the 138 years that baseball has been played at Mansfield University, no head coach has won as many games as Harry Hillson. Now entering his 20th season as the head mentor, Hillson ranks among the most successful coaches in NCAA Division II history and boast the best winning percentage of any coach in the PSAC.

 Since 1992, Hillson has directed his Mountaineers to five Pennsylvania State Athletic Conference (PSAC) Championships, three North Atlantic Regional Championships and three trips to the NCAA Division II World Series.

Last season, the Mountaineers made their 12th trip to the PSAC playoffs under his tutelage finishing second in the PSAC East while leading the conference in hitting and producing the best hitter in the nation. On the way, Hillson became the fastest coach in Pennsylvania collegiate baseball history to reach the 600 win milestone.

 In 2004, Hillson guided his Mountaineers to their 10th PSAC East crown in the his first 18 years at the helm. It also marked the 11th time his teams have won 30 or more games in a season.

 During the 1990s, the Mountaineers were the seventh-winningest program in Division II, winning 69.5% of their games, and rank eighth in wins with 354.

 In 1997, the Mountaineers earned a PSAC record eighth crown in their history by capturing their fifth conference title in six seasons and advanced to the North Atlantic Regional for the fifth time in Hillson's tenure. His teams had won 30 or more games for a PSAC record six straight seasons.

 In 1995, Hillson directed the Mountaineers to record fourth straight PSAC title along with a fourth consecutive appearance in the NCAA Division II National Championship tournament. Hillson's explosive offense not only helped to post a 41-16 record, but led the nation with a school record 97 home runs to finish 15th in the final national poll.

The 1995 finish marked the fourth-straight year that MU finished in the top twenty and the fifth time in Hillson's first nine seasons. Mansfield was the first school north of the Mason-Dixon Line to earn No. 1 status when they were voted the top team in the 1995 NCAA Division II preseason baseball poll. Voted the 1994 the NCAA Division II North Atlantic Regional Coach of the Year for the third consecutive season, Hillson directed the Mountaineers to a school-record 44-10 mark and back-to-back-to-back PSAC and North Atlantic Regional Championships to earn a third straight trip to the Division II World Series. A fifth-place finish at the World Series earned the Mountaineers a No. 4 ranking in the final Division II poll.

 In 1992, Hillson guided the Mounties to their then-best record in school history with a 39-12 mark and came within one swing of the bat for a national championship in an 11-8 setback to the University of Tampa in the Division II World Series championship game. The Mountaineers were the first Pennsylvania team ever to advance to the final game of the Division II World Series and led the nation in fielding while finishing second in batting average.


Now in his 19th season at the Mountaineers' helm, Hillson recorded his 200th, 300th, 350th, 400th,  500th and 600th victories faster than any collegiate coach in Pennsylvania history.     Hillson's overall record of  614-332-1 over 19 seasons ranks him among the coaching elite in Division II. His .649 winning percentage is tops for current PSAC coaches and is the 17th best among active Division II coaches. Hillson has the top six single-season marks in MU history and is the only coach to win more than 30 games in a season, a feat he has accomplished 10 times, including a 44-win season in 1994. Hillson in the 24th winningest coach in NCAA Division II history.

In his 19 seasons, Hillson's teams have made 12 trips to the PSAC Championship Tournament. Eight times under his direction, the Mountaineers have been PSAC East Champions while advancing to Division II regional play eight times. Hillson has posted an 14-13 mark in national championship play.  

Prior to his arrival at Mansfield, Hillson attended Cortland State University where he was named to the All-SUNYAC team for three consecutive years. As a first baseman and outfielder, he recorded a career batting average of .400, topped by a .469 average his junior season.

 In 1983 Hillson was a candidate for the Pan-American games representing the Northeast Region. Upon graduation, he signed a professional contract with the New York Yankees and played one season of minor league ball.

 In the fall of 1983, Hillson was named assistant coach at Mansfield and served in that position until promoted to the head coaching job in 1987.

 Hillson has served as the president of the PSAC Baseball Coaches Committee and chairman of the Baseball Coaches Association State Clinic. Hillson also was a member of the NCAA Division II Regional Selections Committee from 1987-88 and currently sits on the Coaching and Teaching Committee of the American Baseball Coaches Association. He is currently the North Atlantic Regional representative for the American Baseball Coaches Association.

A nationally recognized authority on hitting, only two of Hillson's teams have finished with less than a .324 batting average with six of his teams being ranked among the top five hitting teams in Division II season-ending statistics. The Mountaineers won the Division II batting title in 1994 with a .371 team average. Hillson was requested by the NCAA to act as a hitting expert at the NCAA Youth Education Through Sports clinic held in conjunction with the 1990-92 NCAA Division II World Series.

Since arriving at Mansfield, Hillson has coached 18 post-season All-Americans, 55 All-Region players and a host of All-PSAC selections. In addition, 15 of his players have entered the professional ranks.

Prior to reestablishing the Mansfield University Baseball Camp and Clinic program in 1987, Coach Hillson served as a Camp Director for Williamsport Little League International for five Years. Coach Hillson is currently president of the Southern Tioga Little League.

Hillson and his wife, Erin Marie, reside in Mansfield with their twins Jacqualyne and Taylor along with younger daughter Alison and son Kipp.