Mark Hetherman - Partner - 289-259-5721

Mark’s executive sports history reaches back more than 30 years.  Early in his career, Mark served on the Executive of Scarborough Village Baseball League for 10 years and held all positions including President.  He also spent 14 years as an Executive with the Cedar Hill Minor Hockey Association, a part of the Scarborough Hockey Association.  Mark has coached at the Rep level for both baseball and hockey for 15 years.

After moving to Burlington in 2004, Mark was named as an Executive for Burlington Baseball Association.  In this Executive position as Director of Tournaments, Mark was responsible for 12 tournaments as well as the Provincial Midget AAA Eliminations Tournament.  As a part of this provincial eliminations tournament, Mark was involved in procuring Coaches and Scouts from the USA and Canada for this important showcase.

Mark joined Cornestone 8 years ago to restart his career in the Hockey World and has worked on the Cornerstone business ever since.

In addition to his athletic background, Mark brings a 30-year business career to your organization.   During his career, Mark has held executive level marketing and management positions with highly regarded companies including Sears Canada (7 years), H.J. Heinz Company (5 years) Rogers Communication (11 years) and Willis Group of Companies a distributor of DuPont (6 years).

Cornerstone Structure

Mark Hetherman

Overall Cornerstone Business



Commissioner of the ORHL

Commissioner of the PSHF

Cougars Hockey North America Spring Hockey

Kevin Mckinnon - Director/General Manager 

Overseeing the Cory Conacher 3on3 programs, and operate tournmaments for Ontario Rep Hockey League, Prep School Hockey Federation and our Spring Hockey programs.

Kevin's over 35yrs of hockey back ground as a player, coach and manager in different capacities from minor hockey to JR A hockey is invaluabel to Cornerstone. He is the Ref in Chief at WAVE Hockey and Weekend Hockey as well as other organizations from Oakville to Brampton. I've been reffing for 19 years. Also as a Ref in Chief been fortunate enough to travel to the likes of Boston, Philadelphia, Atlantic City, Tampa Bay, Pittsburgh and Nashville ......a well travelled ref bringing contacts to Cornerstone.. 

I'm a hockey guy but more importantly I'm a father to my daughters Emily and Madeline and my son Colton.


3 on 3 in Mississauga, Oakville, Brampton, Guelph, Stoney Creek

3 on 3 and 5 on 5 in London

Spring Hockey Tournaments – Cory Conacher Cup August  and Toronto Top Gun June 10 – 12

ORHL Events – London, Niagara, Brampton, Sault Ste. Marie, Burlington, Sudbury, Tri-Cities, Niagara

ORHL Elite Showcase Series – Burlington, Chicago, Detroit

PSHF Events – Niagara, St. John NB, Montreal, Quebec, Burlington, Nova Scotia, Ottawa

Diane MacGougan - Director of Operations 


Diane brings an extensive sports and finance background to the Cornerstone Sports Group.  Diane’s sports experience has been a lifelong passion, including competitive figure skating.  She attained Provincial Champion at the University of Western Ontario and UWO MVP.  She then went on to judging figure skating and finally professionally coaching.  Diane’s coaching credentials include Club Consultant, Skate Canada.   She is currently coaching at the Burlington Skating Centre.

On the finance side of the business, Diane got her start at Citibank Canada in Loan Syndications for 12 years.  She then moved to Bank of Montreal as a Vice President, Corporate and Investment Banking for 5 years.  After, the birth of her 3rd child, Diane stayed home for a few years to spend time with her family.

Diane is combining her passion for sports and extensive finance background as the Director of Operations, Cornerstone Sports Group.  Her focus is a wide cross section of businesses including finance, coordinating the Cory Conacher 3 on 3 Hockey business in 6 different cities.  She will also be working on various hockey tournaments throughout the year.


Jessica Ferguson - Tournament Manager

Overall assistance in any Cornerstone business

Tournament Manager for 17 events


ORHL Area Licensees - check league websites for contact info

Halton – Jay Bondy

Peel – Bill O’Neill

Hamilton – Wayne Curnew

Niagara – Michael Agrette

Tri-Cities – John Thompson – The Hockey Loft

London – Joe Clancy

3 on 3 Area Managers - check league websites for e-mail addresses

Oakville/Mississauga – Joe Izzo

Brampton – Kevin McKinnon

Stoney Creek – Mark Gillis

Guelph – John Thompson – The Hockey Loft

London – Joe Clancy