Jamie Detillion is set to enter his eigth season with the Grand Valley State University baseball program and first as the associate head coach. In addition to his duties as the the Lakers' hitting coach and recruiting coordinator, Detillion also handles responsibilities such as camp coordinator, strength and conditioning, third base coach and assisting in all daily operations within the program.

Detillion has been a key contributor to the Lakers' offense over the past seven seasons. GVSU has hit at a .338 clip and averaged 7.4 runs per game during that seven-year stretch. GVSU finished the 2009 campaign with a team batting average of .344, ranking 14th in Division II. The 2009 team also finished 9th in Division II in total hits with 687. The 2008 Lakers hit .347, which ranked 13th in Division II, while the 2007 lineup ranked third among all divisions with a .370 batting average. In 2006 GVSU hit .345, ranking 15th in NCAA Division II.

Since his arrival at GVSU as an assistant coach in 2003, the Lakers have won seven GLIAC Championships and advanced to the NCAA Tournament all seven years. GVSU has appeared in six NCAA Midwest Regional Championship games and advanced to the NCAA DII World Series four times (2003, 2004, 2005 and 2009). The Lakers' 2009 World Series appearance marked Detillion's fifth trip to the Division II World Series as he made the trip in 1999 as a player at Ashland University. The Lakers have also held weekly rankings in the NCAA Division II top 10 each of the past six seasons, including GVSU's first-ever national #1 ranking in 2009. GVSU has been ranked as high as #3 in each of the 2006, 2007 and 2008 seasons as well as a national runner-up finish in 2004.

In seven seasons, 45 Laker position players have been named All-GLIAC and 37 have been named to post-season all-tournament teams. In addition, GVSU has set virtually every individual single-season and career record. Several GVSU team records have also been broken over the last seven seasons, including batting average, hits, runs, doubles, triples, RBIs, total bases and on-base percentage.

Detillion served as pitching coach at Ashland University and assistant baseball coach at Tiffin Columbian High School in Tiffin, Ohio prior to leaving for minor league spring training in 2001 and 2002. Detillion pitched for three seasons in the Detroit Tigers' and Cincinnati Reds' organizations from 2000-2002. He began as a professional with the Chillicothe Paints of the Frontier League before signing with the Detroit Tiges. After playing for the Gulf Coast League Tigers, West Michigan Whitecaps and Lakeland Tigers in Detroits system, Jamie signed with Cincinnati and was assigned to the Dayton Dragons. In his three seasons of professional baseball Detillion was 12-7 with a 2.92 ERA and 6 saves in 145 innings.

Jamie was also a pitcher and first baseman from 1997-2000 at Ashland University. He earned NCAA DII first team All-American honors as a junior first baseman and was a four time All-GLIAC recipient as a first baseman/pitcher. Detillion left Ashland holding 17 individual records, including career home runs (46), and RBI's (203), single season home runs (23), RBI's (89), total bases (162), single game home runs (4) and RBI's (8). The single-game four home runs and 16 total bases are NCAA post-season single-game records for all divisions. Detillion is also among the leaders in career innings pitched (333.0) and wins (30) for the Eagles. Jamie led Ashland to the NCAA DII World Series in Montgomery, Ala. in 1999 where he led the tournament in hitting (8 for 12, .667 avg).

Detillion received his bachelor's of science in education from Ashland University in 2000 and is currently working on his masters of education at GVSU.