Last updated: May 2020.
In connection with the 2020 season the OHF and the GTHL have adopted new divisional naming conventions. The new and the old naming conventions are shown below.
| Executive | Name | |
| President | TBA | |
| Executive Director | Brad Nullmeyer | bnullmeyer@hotmail.com |
| Executive Director | Robert Smith | robertjsmith@sympatico.ca |
| Ice / Director | Ian Sparks | isparks@lumaevents.com |
| Chief Referee / Director | Arin Otis | arinotis@gmail.com |
| Player Development / Director | Robert Smith | robertjsmith@sympatico.ca |
| Discipline Committee | Robert Smith | robertjsmith@sympatico.ca |
| Brad Nullmeyer | bnullmeyer@hotmail.com | |
| Arin Otis | arinotis@gmail.com | |
| Events / Director | Cee Cee Robertson | ccrobertson@rogers.com |
| Non-Executive Positions | Name | |
| Registrar | Barry / Jane Stephens | ymhcregistrar@rogers.com |
| Assistant Registrar | Michelle Brochu | michelleatymhc@gmail.com |
| House League Convenor and Website | Barry Stephens | barrystephens1@rogers.com |
| Select Convenor | Cheryl and John Mullin | cheryl.mullin@hotmail.com |
| Rep Convenor | Cheryl and John Mullin | cheryl.mullin@hotmail.com |
| Equipment Managers | Kate Ratnikova / Michael Durante | kateratnikova@gmail.com / mdurante@rogers.com |
| Used Equipment Drive Manager | Anne AbbassHarkness | anneabbass@hotmail.com |
| House League Apparel Manager | Michelle Brochu | michelleatymhc@gmail.com |
| Timekeeper Administrator | Arin Otis | arinotis@gmail.com |
| House League Convenors | Name | |
| House League Convenor | Barry Stephens | barrystephens1@rogers.com |
| 5 / 6 Learn to Play | Conor Rankin | c4conor@gmail.com |
| Under 7: old 6 Division: Tyke | Open | |
| Under 8: old 7 Division (Minor Novice) | Taylor Simms Brown | tsimmsbrown@jascor-intl.com |
| Under 9: old 8 Division: Novice | Mitch Perrault / Brook Hamilton | michelperraultjr@gmail.com / brookh@allegratorontonorth.com |
| Under 10: old 9 Division: Minor Atom | Peter Jelley | pjelley7@gmail.com |
| Under 11: old 10 Division: Atom | Sarah Savolaine | sarah.savolaine@gmail.com |
| Under 12: old 11 Division: Minor Peewee | Robert Fletcher | robertscottfletcher@yahoo.com |
| Under 13: old 12 Division: Peewee | Michelle Brochu | michelleatymhc@gmail.com |
| Under 14: old 13 Division: Minor Bantam | Graham Donahue | g_donahue@hotmail.com |
| Under 15: old 14 Division: Bantam | David Keating | davidkeating@rogers.com |
| Under 16: old 15 Division Minor Midget | Jeff Stock | jeff@5514km.ca |
| Under 18: old 16 / 17 Division: Midget | David Brady / Jason Leggett | david@bradys.ca / jasonleggett@sympatico.ca |
| Select Coaches | Name | |
| Under 10 | Jason Locklin | jasonlocklin@gmail.com |
| Under 11 | Bruce Robertson | bkrobertson@yahoo.com |
| Under 12 Red | Chris Butts | coachbutts1@yahoo.com |
| Under 12 Blue | Tyler Butts | tyler@mybreakaway.com |
| Under 13 | Scott Maxwell | smaxwell@minigrid.com |
| Under 14 Red | Ugo Bizzarri | ubizzarri@timbercreek.com |
| Under 14 Blue | Graham Donahue | g_donahue@hotmail.com |
| Under 15 Red | Mark Etherington | metherington@teg.ca |
| Under 15 Blue | John Harkness | jharkness@spacefile.com |
| Under 16 | Andrew Ternan | andrewternan@boltdevelopments.com |
| Under 17 Red | Jason Leggett | jasonleggett@sympatico.ca |
| Under 17 Blue | Scott Cameron | scameron66@icloud.com |
| Under 18 | John Bellamy | jbellamy@paradigmcap.com |
| Rep Contacts | Name | |
| Under 11 A | John Mullin | mullin.john27@gmail.com |
| Under 12 A | Bryan Goudie | bryangoudie@hotmail.com |
| Under 13 A | Jonathan Hess | jonathan.hess @rogers.com |
| Under 14 A | Tyler Butts | tyler@mybreakaway.ca |
| Under 15 A | Luke Colavecchia | lucas_cola@hotmail.com |
| Under 15 AA | Keith Gilday | keithgilday@mac.com |
| Under 16 A | Volois Ambrosino | vambrosino@ambrosinolaw.com |
| Under 16 AA | Mario Cicchillo | mariocicchillo@gmail.com |
| Under 18 A | Terry Scott / Frank Tersigni | tsdscott@hotmail.com / ftersigni@rogers.com |