Our Staff

Clarissa Hills

General Manager & Certified Instructor


Clarissa has been training in Dressage with Cindy & Kahla Ishoy of Dynasty Dressage since 2018 & Daisy Kosa since 2013.  Her current focus is training her draft mare up through the levels. Clarissa is very passionate about Dressage & aspires to educate riders about the excitement of this discipline.

She teaches the importance of the first three tiers on the Training Scale (Rhythm, Suppleness & Contact) & practices this daily in her own riding.

Qualifications: EC Certified Instructor, OE Dressage Judge Official

In Progress: EC Rider Level 8, EC Competition Coach Certification & EC Dressage Judge Official

Glencora (Cora) Mulgrue

Head Certified Instructor


Cora has been training since 2010. Since then she has been showing a variety of horses in the open division in both Jumper (up to 0.90m) and Dressage (up to Prix St George). Her extensive and diverse experience, makes her a tremendous asset to MJM Riding School’s program as the Head Instructor. She has worked for Daisy Meadows Equestrian since 2010, preparing horses for national and international level competition.

Qualifications: EC Certified Instructor

In Progress:

Aleasha Nimec

Head of Equine Care & Certified Instructor


Aleasha has been riding for over 24 years. She started in Hunter/Jumper than moved to dressage. She currently trains /competes in barrel racing events & has qualified for the International Barrel Racing Association's  finals the past 2 years. Aleasha teaches English riding, speed events & beginner/novice western performance.

Before joining our team Aleasha was a vet tech for a decade. Her experience is valued greatly with the care of our horses.

Qualifications: EC Certified Instructor

In Progress: EC Competition Coach Specialist in Speed Events

Patrick "Pat" Kosa

Instructor In Training


 Pat has been riding since the age of 10. His passion is jumping and has competed extensively in the jumper ring. Patrick is an Early Childhood Educator and works as a supervisor for the YMCa.  He takes pride in helping students take their first steps in riding. Pat is passionate about teaching beginner jumpers and enjoys helping them develop the skills they need to turn into confident jumping students.

Qualifications: EC Rider Level 6 Jumping & Flat

In Progress: EC Instructor Certification

Brittany Maxner

Certified Instructor


Brittany has been riding for 22 years.  Brittany and her partner Spider have been together for the past 14 years and in that time have gone from training level to Prix St. George in the dressage arena.  She has been fortunate enough to train with Olympian Cindy Ishoy, and has also taken part in clinics with Jacqueline Brooks and Arthur Kottas.  Currently she rides with Daisy Kosa of Daisy Meadows Equestrian Centre.  Originally from Nova Scotia she has been at MJM equestrian centre since she moved to Ontario just over a year ago.

Qualifications: EC Certified Instructor &                          EC Rider Level 8

In Progress:

Xander Osmond

Equine Care Associate & Instructor In Training


Xander has been riding since 2015 & trains with Sarah Daisy Kosa in both dressage & jumping. Xander enjoys teaching beginner to intermediate riders, he especially enjoys introducing them to the beginning stages of the show jumping & dressage disciplines. He continues to expand his knowledge & has been working as a show groom for Daisy Meadows Equestrian, a competitive equestrian team, since 2018. Xander's current goal is to continue advancing in dressage.

Qualifications: EC Rider Level 6 Flat

In Progress:  Instructor Certification

Jennifer Baic

Book Keeper, Summer Camp Coordinator & Instructor in Training


Jennifer and her horse Fox have been together since December 2018 and together have developed a passion for dressage. They are currently working towards competing in their first provincial level show with the Daisy Meadows Equestrian Show Team.

Jennifer currently trains with Brittany Maxner and Kahla Ishoy. Jennifer enjoys teaching flat lessons and is striving to complete her rider levels to obtain her instructor certification. She is a proud “barn mom” and can often be found volunteering around horse shows at both MJM and the Hamilton Hunt Club.

Qualifications: EC Rider Level 4

In Progress: EC Rider Level 6

Gillian Ross Erasmi

Substitute Certified Instructor

Gillian 1

Gillian’s love of horses developed at a young age with a grandfather who breed and raised Halflingers. Gillian has completed her , she is also trained as an equine massage therapist (although not currently practising) and an Equine Assisted Learning Facilitator.

Qualifications: English Coaching Certification, Western Coaching Certification, Western Rider levels 1-4, Intermediate (Trail, Showmanship and Horsemanship) the Equivalent of the English Rider 8