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The Experience


We believe that individuals are products of their environment, their experiences, and their teams, which include family – both immediate and extended. From that simple concept, and what it means to us, the Northstar Invitational was established in 2012. As a team, we have been lucky enough to grow up in positive environments, afforded great opportunity and experiences, within supportive teams. We aim to create cutting edge, positive environments and awesome experiences, for you, as you become part of our Northstar Lacrosse family. 

We seek student athlete leaders, and the opportunity to add experience and development to your toolbox of resources. We hope to introduce you to a network of positive, productive, and passionate individuals. We aim to play a role in your efforts to achieve your dreams, on and off the lacrosse field.

The Northstar Lacrosse Directors and Co-Founders have been on NCAA Championship teams, World Championship teams, traveling club teams, high school teams, middle school teams and youth teams. We attended camps, clinics, and tournaments every spring and summer, and we played many sports throughout our careers. We have also been a parent at each of these levels. We have been thoroughly involved in sports for as long as we each can remember. Our point? We have taken notes, gathered information, developed philosophies, and built lifelong relationships along the way. We aim to take all that we have gathered --- the good, the bad, the lessons, the “how to’s”, the “do’s”, and the “don’ts” --- and offer our insight and experience to the next generation of student athletes.

The end result is value. At our core is a strong commitment to do the right thing for you, our customer, and to provide you with as much value as possible. 

By nature, we don't and won't cut corners. We are confident that you will be happy with your Northstar Lacrosse experience, from start to finish, and we look forward to welcoming you into the Northstar family.

Northstar Sessions:

  • (1) Northstar Performance Index (NPI): The NPI tests speed, agility, endurance, and general athletic capacity. The NPI is conducted by Northstar Sports Performance Director, Ron Greenfield, who has trained many successful collegiate athletes, to include elite women's lacrosse players.
  • (1) Small-Sided Session: Combines even strength, man down / man up situations to showcase athletes’ stick work, decision-making, ability to play both offense and defense, and spatial awareness.
  • (9) Full-Field Games: Games will be refereed, and will culminate in a Northstar Championship.
  • (3-4) Off-Field Development Sessions: Leadership, Mental Fitness, Sports Performance, Elite Athlete Speaker(s), Adventure, Next Level Preparation.

Northstar Teams: 

  • For full-field games, athletes are broken into [mixed graduation year] teams of 15-17 (to include a goalie), and remain in their teams for the week. 
  • For small-sided games, athletes are broken into small-sided teams by graduation year, giving players the opportunity to showcase their talent, relative to players in their class.
  • Each team has two dedicated coaches, who are high-level collegiate player(s), and/or experienced HS/club coaches. 
  • We make every effort to invite athletes to create an appropriate split of attackers, middies, and defenders, while maintaining our primary goal of collecting the highest level student athletes in the country. We believe that college coaches are impressed with an athlete who can play both offense and defense, especially as a middie. 
  • We highly encourage and create an environment to value team play and high-level fun, rather than individual showcase.

NSI Testimonials

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Northstar Invitational Directors

Ashley (Gersuk) Murphy

Ashley (Gersuk) Murphy

Co-Founder & Director

  • 2005 NCAA DI National Champion, Northwestern University
  • 4-Time Northwestern Team Captain
  • National & Regional All-American
  • Big Ten Scholar-Athlete
  • #1 Goals Against Average in DI (2005)
  • ADK Chapter of US Lacrosse Hall of Fame Inductee
  • 12 years of industry experience
George Leveille

George Leveille

Co-Founder & Director

  • Founder, Lake Placid Summit (1990)
  • 30+ Year Coach, Volunteer, Player
  • ADK Chapter of US Lacrosse Hall of Fame Inductee
  • Former US Lacrosse Board of Directors
  • Father of two former US Men's National Team Members
  • 28 years of industry experience
Kevin  Leveille

Kevin Leveille

Co-Founder & Director

  • 11-year MLL Career
  • 9-year MLL Captain (Boston Cannons, Chicago Machine, Rochester Rattlers)
  • #2 All-time MLL career goals list (294)
  • Team USA Member & Captain (2014)
  • 3-Time All-American & '03 Captain, UMass
  • ADK Chapter of US Lacrosse Hall of Fame Inductee
  • 5 years of industry experience

Senior Staff


Blake Schierer

Blake Schierer

Operations Director


Ron  Greenfield

Ron Greenfield

Director of Sports Performance

Mara Smith

Mara Smith

Director of Mental Fitness

Athletic Training

Tera Patenaude

Tera Patenaude

Head Athletic Trainer