TEAM MARK
MOTORS GROUP

LIZA MRAK

Executive Vice President at Mark Motors Group

RAYNE DUBOIS

Rayne Dubois, is a 24 year old, student athlete, trainer and coach from Ottawa, Ontario, Canada. She trained under  Millarbrooke Farm for many years and now runs her own business, RHD Equestrian, while also competing at the U25 and Grand Prix level.

Eristos De L Heribus (Henry) is a 14 year old Belgian Warmblood out of Ugano Sitte and Socrate De Chivres. He is confident, careful and honest.

Henry and Rayne started their partnership last spring and quickly got along. She worked towards bringing him back up to the Grand Prix level and he surpassed everyone’s expectations. He truly gives his all, and jumps with all of his might.

JEFF HOPPER

Jeff is the co-host of MOVE 100’s new 'Sophie and Jeff in the Morning!' show. He also emceed Spurs & Sparkles in 2019 and 2023, we’re thrilled to have him participating in this year’s Get Up & Gallop race!