Coaching Staff


John McCreery - Camp Director 


Head Coach - Vassar College (NY)

John McCreery just started his first season as the head coach of the Brewers men's lacrosse program for the 2019 season. In the 2018 season, John McCreery, was the first assistant and recruiting coordinator for Williams College.

 2017 Liberty League Coaching Staff of the Year!

McCreery served as the defensive coordinator and first assistant at Vassar from 2015-2017. In 2017 the Vassar staff was honored as the Liberty League Coaching Staff of the Year when the Brewers made their first ever playoff appearance as the third seed. The 2017 Vassar defense allowed just 8.63 goals per game and their man-down was ranked second in the Liberty League.
Also during that time, VC saw 11 players earn All-Liberty League honors, including its first First Team honoree since the 2010 season. McCreery also mentored the Liberty League Rookie of the Year in James Thomas in 2016, and assisted VC's first lacrosse All-American in Liam Moriarty in 2017.

Before joining the Vassar staff, McCreery served as the head coach of the lacrosse team at Adams State University from 2012 to 2014. In addition to providing overall leadership, management and planning of the program, McCreery was responsible for hiring and developing the coaching staff and monitoring academic performance of the student athletes.  

Prior to joining Adams State, McCreery served as the head coach at the University of California Santa Cruz from 2009 to 2010. He led the Banana Slugs to a 10-5 record and a No. 19 MCLA Division II national ranking in 2010. 

From 2006 to 2009, McCreery was the head coach and director of the lacrosse program at the University of Mississippi. While a university student, McCreery redirected a doormat program into a competitive one, leading the Rebels to a combined record of 19-16 during his time in Oxford.

McCreery got his start in coaching at the high school level, severing as the director of lacrosse at Palos Verdes (2005-06) and head woman’s coach at Woodside (2004) in California.

Dieter Treusdell - Assistant Camp Director


Assistant Coach - Vassar College (NY)

Dieter Treusdell, a native of Gang Mills NY, graduated from Corning West High School. Treusdell graduated from SUNY Cortland in 2015 where he was a part of a division 3 national championship runner up team along with 3 SUNYAC championship teams. Treusdell went on to play 1 season as graduate student for North Greenville University in South Carolina where he attained his MBA.

Treusdell re-joined the Vassar Men’s Lacrosse staff as the Offensive Coordinator and Director of Recruiting in the fall of 2018. Previously Treusdell served as an assistant for Vassar in 2016. Prior to Vassar, Treusdell was the Offensive Coordinator at Bard College for one season. Treusdell continues to be involved in youth lacrosse in the Hudson valley area as director of various camps and clinics.

 Andrew Nicol - Field Director

Assistant Coach - Stevens Institute of Technology (NJ)   

Andrew (Vassar College '14) joined the Ducks in the late fall of 2017 and is entering his third season in Hoboken.  Prior to Stevens, Coach Nicol had re-joined the Brewers men's lacrosse program for the 2017 season.  Coach Nicol completed a successful career playing goalie for Vassar and was a four-year starter and three-year captain elect for the Brewers from 2011-2014.  Prior to Vassar Nicol was an outstanding goalie for Brewster High School in Brewster, NY.

After graduating from Vassar Coach Nicol spent the 2015 season as the Director of Lacrosse Operations for head coach Dan Chemotti and the Division I Richmond Spiders.  He did this while earning his Masters of Education in Sports Leadership at nearby Virginia Commonwealth University.


Other College Coaches on PARAMOUNT Staff: