The Crew





BARRY TRIPP/ Co-Founder & President: Barry has been coaching & mentoring young, professional snowboarders, skateboarders, and surfers for decades. Barry is a LEVEL 200 USSA snowboard coach. Barry has coached at the college level and at the high school/middle school levels.  From 2014-2017, Barry was the coach for the freeride and snowboard program at the University of Maine Farmington – UMF.  In the earlier days, Barry, was the snowboard program manager for Carrabassett Valley Academy. Barry was also a freelance coach traveling the world mentoring, coaching and inspiring young aspiring professional snowboarders, surfers and skateboards. Barry is always driven towards the passion, commitment and creativity that make snowboarding, surfing, and skateboarding fun. If you do not see Barry on a snowboard, you will probably see him on at a local skateboard park or surfing the waves throughout Maine surf breaks.

SHERRI TRIPP/ Co-Founder & Treasurer: Sherri has been a recreational snowboarder for nearly 20 years. Sherri and Barry have spent countless hours volunteering and assisting at snowboard venues during the years their son, Jasper, was riding and competing throughout the USA.  Sherri was born and raised in Vinalhaven, an island off the coast of Rockland Maine. After graduating from Thomas College, Sherri worked as a software consultant/engineer for technology start-ups during the .COM era in New York, New Jersey, Texas and California. Sherri is also a jewelry artist, certified yoga/Pilates, fitness professional instructor.

SETH WESCOTT/ Executive Vice President (Pro snowboarder): A legend in snowboarding!! The list of accomplishments for Seth, including his two-time Olympic gold medalist speaks for itself. In 2006, Seth solidified his place in SBX history when he became the first man to win Olympic gold and he repeated that performance once again in 2010. Seth also holds the record for the most competition starts at WinterX and has countless snowboard awards & accomplishments through his career in World Cups, World Championships, Grand Prix’s and many more. Before SBX, Seth started riding pipe at the age of 10, where he began developing, his revolutionary skills and passion for the sport of snowboarding. Seth also enjoys surfing, reading and golfing. He also co-owns a restaurant called “The Rack BBQ” at Sugarloaf. Seth and his wife Kitt are the proud parents of their new baby girl.

DAN MARION/ Vice President (Pro skier): A well-known face at WinterX, Dan has been competing since the early 2000s. He has top finishes in Super Pipe & Park, competing in high level events such as the Dew Tour and the WinterX games. Dan has a passion for coastal and marine practices and owns Fresh Pickins. Dan also enjoys skateboarding, surfing, growing flowers and still continues to mentor young athletes. If you don’t see Dan on the slopes or surf, chances are you will find him farming on his plantation!!

LAURA “Hop” MATHISEN/ Vice President: Hop served in the Air Force and then pursued a career in occupational health. Hop served many years as an executive and senior manager for Environmental, Health & Safety programs at Bath Iron Works (BIW). She also resides on national committees, in the fields of safety and compliance. Hop is well-known in the surfing circle in Old Orchard Beach, Maine where she is one of the most fun surfers to hang with and share stories. Hop has a passion for helping young athletes and she volunteers at many venues throughout Maine. Hop enjoys playing hockey, surfing, skiing, skateboarding and biking.

SEAN MACKAY/ Vice President: Sean has been snowboarding for a decade and is the classic example that it’s never too late to start. He has been a dedicated participant, volunteer and spectator at snowboard events throughout Maine. Sean is a part owner and technical director of CEMServices Inc., an air quality consulting firm servicing the northeast. CEMServices specializes in continuous emissions monitoring (CEM) audits and source emissions testing at power plants and industrial facilities, helping them achieve compliance with local, state and federal regulations including the Clean Air Act. When not traveling around the northeast testing stacks, Sean resides at Sugarloaf Mountain in Maine with his wife and three children.

JASPER TRIPP/ Senior Vice President Marketing: Jasper has traveled the world for snowboarding, skateboarding and surfing and has countless clips in movies, videos and has recently been featured in Method Magazine. Jasper graduated from Carrabassett Valley Academy and continued his snowboarding profession and college studies out West. In 2017 Jasper opened a second family trademarked shop, Mocean™ focusing on skateboarding and supporting local Maine artists on Exchange Street in Portland Maine.

DENISE GAY MATHISEN/ Executive Secretary: With a BS in business and a Masters in Health Psychology, Denise currently is the Senior Vice President of Quality Improvement at “The Opportunity Alliance “ in South Portland, Maine.  Previously, Denise was the Chief Compliance Officer at MaineGeneral Health. Denise has years of experiences with writing grants, volunteering and mentoring young athletes. In November 2013, MaineGeneral opened a state-of-the-art health care facility and Denise led the compliance efforts toward the transition of over 100 patients to the new Alfond Center for Health in Augusta. Denise enjoys walking, hiking, biking, volunteering, cooking and creating stain glass art.

Meet a few more of the crew making THE RIDERS CLUB A SUCCESS:

Volunteers, Mentors & Riders!! (this list is in no particular order and is a partial list of supporters )

  • McKenzie Goozey
  • Luke Brown
  • Abby Donnelly
  • Alex Lund
  • Ian Daly
  • Brian Randall
  • Marty Reynolds
  • Wilson Friend
  • Jack Kyle
  • Nicoli Botti
  • Jack Dawe
  • Rachel Jackson Hodsdon
  • Emily Eames
  • Jeff Strunk
  • Jason Webber
  • Adrian Brochu (in memory)
  • Chase McKendry
  • Ryan McDermott
  • Libby McCarthy
  • Andy McDermott
  • Pat Donaghue (in memory)
  • Peter Hansen
  • Karen &  Mark Malone
  • Yvonne DeCory, M.D
  • Nick Poplawski
  • James Campbell
  • Deb Bowker
  • Drew Bates
  • Kyle Joseph
  • Jamie McCabe
  • Augusta and Kevin French
  • John Poulin
  • Janet and Bob Peruffo
  • Andy and Wendy Rosenthal
  • Kevin McCarthy
  • Ben Eames
  • Hank Poulin
  • Ty Casey
  • Nancy Lund
  • Morgan Casey
  • Kasey Kelley
  • Max Greely
  • Sarah Strunk
  • Jared McCabe
  • Isaac Siegle
  • Quinton Fogerty
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