Staff/Coaches

Coach Ambrose is a former standout collegiate player at Western Kentucky and later Northern Kentucky. There he helped lead the Norse to back to back GLVC Conference Championships in ’08 and ’09. During his senior campaign he was a two time conference player of the week, and was also named Collegiate Baseball News “Louisville Slugger” National Player of the Week. He has been instructing and coaching at various levels for the past eight years, including high school, travel baseball, and the Lou Tompkins All-Star Baseball League. Now in his fifth year with the Nokona Baseball program, he adds in-depth knowledge and insight to hitting, pitching and fielding instruction.

Colin Sullivan enters his second season as the assistant coach with the 11U Chiefs. 

Coach Paulsen attended Georgia Southern University (Statesboro, GA) in 2004, then later transferred to Franklin Pierce College (Rindge, NH) and played from 2005 to 2007 with a team that made it to the College World Series. As a coach, he has served as an assistant coach within the Nokona Baseball program from 2009 to 2011 (AAU 10U-11U), coached both Bombers squads from 2011 to 2013 (AAUv 12U-13U), coached the BayState Braves from 2013 to 2015 (AAU 12U-13U), coached the Lincoln-Sudbury Lou Tompkins A Division in 2014, coached the Lincoln-Sudbury Senior Babe Ruth 2015 champions, and has worked as a pitching and hitting instructor and coach with Nokona for the past six seasons.

Coach Thurber returns for his second season as the assistant coach with the 12U Chiefs. 

Coach Holmes returns for his second season as a head coach for the program. After winning PBC League Championship with the 2020 14U Braves, he takes the reigns for the 13U Chiefs for the 2021 campaign. 

Coach Mah starts his first season as a head coach for the program. A graduate of Bowdoin College, Eric is one of just four players in the last 22 years of Bowdoin baseball to be named a captain in both his junior and senior seasons. Mah was a four-year starter and First Team All-NESCAC performer for the Polar Bears, finishing his career with a .293 batting average and.376 on-base percentage with 94 hits in 97 games, scoring 61 runs. Off the field, Mah was a Student-Athlete Advisory Committee Leaders, a Ladd House chair and helped organize participation at the Dempsey Challenge, Robbie Run while volunteering with Special Olympics and at Midcoast Hunger Prevention. In the spring of 2020, Mah was recognized as the Bowdoin Athletic Department’s Frederick G.P. Thorne Award recipient for Outstanding Leadership.

Coach O’Brien returns as head coach of the 2021 14U Braves. Justin is a 2004 graduate of King Phillip High School and three-year varsity starter. Following high school, he attended Springfield College (Springfield, MA) from 2004-2008, graduating with a degree in Physical Education. Coach O’Brien was a hard throwing RHP and a four-year starting pitcher for NCAA Div. III Springfield Pride. He is a teacher in the Plainville (MA) Public School System. Coach O’Brien is currently in his eighth season as a coach for the Nokona Baseball program.

Coach Carroll returns as head coach of the 2021 15U Chiefs. Gerry is a 1981 graduate of Holliston High School where he lettered in football, hockey and baseball. He attended Providence College from 1982-1986 where he graduated with a BS in Management. He lettered in baseball during all four years with The Friars, and was named Most Valuable Player during his senior season. He also was named to the All-District NCAA Baseball Team, the All-ECAC Division I Team, and the Big East First Team. Coach Carroll is currently in his seventh season as a coach, clinician and instructor for Nokona Baseball. Beyond his duties as coach, he also is a managing partner in Nokona Baseball.

Coach Anderson returns as assistant coach of the 2021 15U Chiefs. Brandon is a 2003 graduate of Wayland High School (Wayland, MA), where he excelled in both football and baseball. Following his senior season, he was drafted in the 41st round by the Colorado Rockies. After high school, Coach Anderson played two years of JUCO ball at Rowan College in Gloucester County where he was on the 2005 NJCAA National Championship team, earning All-Region honors twice. After Rowan, he transfered to Georgia College & State University where he was named a NCAA/ABCA All-American and a two-time Southeast All-Region selection. Following college, he played six years of professional baseball in the Frontier League. After pro ball, he decided to jump into the coaching ranks where he made stops at Concord-Carlisle High School (Concord, MA), Temple University (Philadelphia, PA) and is currently an assistant varsity coach at Noble and Greenough School (Dedham, MA).

Coach Lyon played four seasons at shortstop for Northeastern from 2004-2008. He was drafted in the 24th round of the 2008 Major League Baseball draft by the New York Yankees as a third baseman. He played two full seasons in the minor leagues from 2008-2010, and was an All-Star third baseman in 2008 for the Staten Island Yankees. He is currently in his seventh season as a coach, clinician and instructor with Nokona Baseball.

Coach Venuto returns for his third season with the program. James was a standout collegiate C/INF at Elon University where he set the program’s NCAA Division I freshman record for home runs with seven. Before heading to Elon he was a graduate of Dexter Southfield School in Brookline, MA. 

Coach Ambrose is a former standout collegiate player at Western Kentucky and later Northern Kentucky. There he helped lead the Norse to back to back GLVC Conference Championships in ’08 and ’09. During his senior campaign he was a two time conference player of the week, and was also named Collegiate Baseball News “Louisville Slugger” National Player of the Week. He has been instructing and coaching at various levels for the past eight years, including high school, travel baseball, and the Lou Tompkins All-Star Baseball League. Now in his fifth year with the Nokona Baseball program, he adds in-depth knowledge and insight to hitting, pitching and fielding instruction.

Colin Sullivan enters his first season as the assistant coach with the 11U Chiefs. 

Coach Wasserboehr is a 2006 graduate of Reading Memorial High School, Reading MA, a 2016 graduate from Tufts University with a degree in Clinical Psychology and a 2018 graduate from William James with a Masters in Psychology. At Tufts, Coach Wasserboehr was the first recipient of the ROTC/Veterans Scholarship, presented to a veteran who is an exemplary student. He was also an active member in Tufts’ REAL Program (Resumed Education for Adult Learners.) His efforts in advocating for veterans at Tufts University directly contributed to four future veteran Jumbos starting Fall ’16. Keith is a five-year veteran of the United States Navy. He was stationed on Whidbey Island, WA as an aviation mechanic. Coach Wasserboehr did two tours of duty overseas in Bahrain and Qatar directly supporting OEF (Operation Enduring Freedom), OIF (Operation Iraqi Freedom) and OND (Operation New Dawn). During his last deployment, he was in direct support of the last P-3 flight operation conducted for OIF. Coach Wasserboehr played both baseball and football in high school and during his time in the United States Navy. Keith has been a head coach for Nokona Baseball for the last three years and has been coaching baseball with his brother, Brett, for the last six years. Coach Wasserboehr, currently Hitting Coordinator and Assistant Varsity Coach for Lincoln-Sudbury (MA) High School, is an avid learner and researcher in the field of psychology, and is currently enrolled in William James in hopes of obtaining a Doctorate Degree in Psychology.

Coach Hoye joined the Nokona Baseball program for the 2018 season where at the time lead the 15U Chiefs team. Jason is head baseball coach at Natick High School (Natick, MA), a position he has held since 2014. He has also coached baseball at Holliston High School (Holliston, MA) and Catholic Memorial High School (West Roxbury, MA). After graduating from Catholic Memorial in 1996, Coach Hoye played baseball at Wheaton College (Norton, MA), where he was a two-year captain and two-time All New England selection. After graduating from Wheaton, he spent six months in Germany playing and instructing for the Bayer Wuppertal Stingrays. He has also competed in the European Championships for team Ireland in 2006 and 2008, winning a silver medal in 2006. Coach Hoye is a Health and Wellness teacher at Natick High School and also coaches football for the Natick Redhawks. He lives in Medway, MA with his wife Angela, and two daughters, Grace and Ayla.

Coach Caulfield joins Coach Hoye and the 18U Chiefs College Commits team as assistant coach for the 2021 season.