Joe Sullivan (Director)

An original player in the program's first years, Coach Sullivan played his high school ball at Granite Bay High School. Joe then went on to play at Dominican University of California helping the program transition into a NCAA Division II program during his career. Joe is currently the head coach at Granite Bay 14U.


  • Team Captain at Granite Bay (2006)

  • Team Captain at Dominican University (2010)

  • Dominican University Assistant Coach (2011)


Mikie Schlosser

Coach Schlosser’s spectacular high school career at Davis Senior High School propelled him onto Ann Arbor. While at The University of Michigan Coach Schlosser continued where he left off, becoming UM’s first underclassmen captain. We are lucky to have Mikie as a part of the Sacramento Program in addition to his duties as the Director for the Tahoe Region.


  • Ranked No. 75 Rising Freshman in the country

  • Davis Senior High School Captain (2011-2013)

  • 2nd Team All-League (2010)

  • First Team All-League (2011-2013)

  • High School All American (2012, 2013)

  • Co-MVP of the Bayshore Athletic League (2012)

  • ECAC All Rookie Team (2014)

  • University of Michigan Team Captain (2016, 2017)

  • Member of the MLL’s Denver Outlaws (2018 Champion)


Dave Gravlin

An avid student of the game, Coach Gravlin plays an integral role within our ADVNC Sacramento Region. A Coach of 3 teams, we are grateful for everything Coach Gravlin does.

  • Granite Bay Youth Lacrosse Coach (2009-2017)

  • ADVNC Youth and High School Coach (2014-2017)


Marc Sackmann

A three sport athlete in high school, Marc went on to play lacrosse at Chico State. He has been coaching with ADVNC for the past five years and is very active in the Positive Coaching Alliance community.


  • Head Coach with Sac ADVNC (2013-Present)

  • Head Coach with Folsom Lacrosse (2013-Present)

  • First Folsom Lacrosse coach to create an “A” team (2016)

  • NCJLA U11 A Division Champions (2016)

  • VP of Boys on the Folsom Lacrosse Board (2015-Present)


Matt Beaulieu

Growing up in San Francisco, Coach Beaulieu excelled at St. Ignatius before moving on to star at Sacramento State. He has been coaching in the bay area since 1999 and is currently coaching the City League teams at Granite Bay Youth Lacrosse.


  • John M Senyard Award (1993)

  • WCLL All Conference (1994-1996)

  • WCLL DII Champion (1996)

  • Assistant JV and Varsity Coach at Marin Academy (1999-2001)

  • Assistant JV and Varsity Coach at Jesuit High School (2007, 2008)

  • Granite Bay Youth Lacrosse (2016, 2017)


Greg Zackney

Coach Zackney started playing lacrosse his senior year at UC Davis. He went on to spend over 13 years on active duty as a Harrier Pilot with the US Marine Corps.


  • Bullard Baseball USA Today #1 in the USA (1989)

  • Bullard Baseball USA Today #4 in the USA (1990)

  • Folsom Rec 12U Coach (2016-Present)

  • NCJLA 12U A Division Champions (2016)


JT Mortara

Originally from Grass Valley, CA, Coach Mortara attended Nevada Union High School while playing lacrosse for Gold Country Stampede Club. He is currently coaching at Rocklin Lacrosse and is in his 4th year coaching with ADVNC.


  • Gold Country Stampede (2012/13)

  • League All Star (2012)

  • Gold Country Stampede Varsity / JV Coach (2014)

  • Chico Rebels JV Coach (2015)

  • Chico Rebels U14 Head Coach (2016)


Joey Moseanko

Originally from Davis, CA, the Davis High School went on to excel as a Defenseman at Southern Oregon University. Coach Moseanko is currently the JV Head Coach at Davis High School.


  • Southern Oregon University Defensemen (2009-2012)

  • PNCLL Conference Defensive MVP

  • Davis High School Head JV Coach


Dan Switlick


A standout diver at Mesa High School in Arizona, Coach Switlick went on to ASU where he competed as a Division 1 Diver.



  • Granite Bay Youth lacrosse City League director (2016-2018)

  • GBYL 12U A Coach (2017)

  • ADVNC 10U Assist Coach (2016, 2017)

  • ADVNC 2024 Assistant Coach (2017-Present)