Jeff, or more commonly ‘Wurm,’ grew up in Thailand and Indonesia where he began his athletic career as a swimmer. Jeff was a Division I swimmer at the University of Wisconsin and Boston University. After college, Jeff enlisted in the United States Marine Corps and graduated top of his class at Parris Island. Jeff first experienced CrossFit while serving in the Marine Corps and upon his return to Boston expanded his passion for CrossFit into coaching. Outside the gym, Jeff enjoys playing rugby, traveling, and learning languages.


  • L1 CrossFit Trainer
  • NASM Certified Personal Trainer
  • USA Weightlifting Sports Performance Coach (USAW-L1SP)
  • CrossFit Movement and Mobility Trainer


  • America East All American – Swimming
  • USA Swimming National Qualifier
  • Eagle Scout