Coaches

Dave Aisenstat (owner/head coach)

Dave found CrossFit over 4 years ago while living in New York City.  He attended CrossFit NYC during his time there while pursuing a film degree at Hunter College.  After graduating from Hunter, Dave moved back home and started CrossFitting in his garage. NYSC later hired him as a personal trainer where Dave quickly learned what a waste of time that was. He decided to take his garage gym to the next level. Starting with just a few close friends, Dave accumulated 30 members to join him in CrossFit. He then expanded his business into what is now CrossFit 845.

  • CrossFit Level 1 (CF-L1)
  • CrossFit Coaches Prep Course
  • CrossFit Movement and Mobility
  • CrossFit Olympic Lifting
  • CrossFit Gymnastics

ironcityfitness@gmail.com

 

Mark Foster (The Sheik/coach)

Mark found CrossFit while living in Vermont. He later moved back to New York conveniently across the street from Dave.  Mark was one of the original members gangsters (O.G.) who set the path for the rest of the garage goers. He is one of the strongest athletes at CrossFit 845.

  • CrossFit Level 1 (CF-L1)
  • CrossFit Gymnastics

mdfost87@gmail.com

 

Jess Maurer (coach)

Jess first heard about CrossFit while in college andimage-1 thought Dave was crazy because she couldn’t pick up a barbell.  In Summer 2011 she finally completed her first WOD. Although she couldn’t walk for a week, she was hooked. Jess moved to Spain shortly after and continued WODs on her own. Upon her return to NY, Jess picked up where she left off in the garage and now at CF845.

  •  CrossFit Level 1 (CF-L1)
  • CrossFit Kids

jess.cf845@gmail.com

 

Kristen “Mastro” Mastronardi (coach)

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Mastro was introduced to CrossFit upon her return home from college. As a college athlete, coming home and joining “Global Gym” was not going to cut it.  She conveniently  ran into long time friend Dave who brought CrossFit to her attention. Shortly after their run in she showed up at his garage, did her first WOD, and was immediately obsessed.  To say that sports and athletics are a major part of her life would be an extreme understatement.  Mastro is a Physical Education teacher and Field Hockey and Softball Coach for a local high school and middle school.

  •  CrossFit Level 1 (CF-L1)
  • CrossFit Kids

mastro.cf845@gmail.com

 

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