Marc is a leading dispute resolution professional in Ontario's condominium community.  He earned a Master of Laws in Dispute Resolution from Osgoode Hall Law School.

Marc holds the Chartered Mediator (C.Med) designation of the ADR Institute of Canada – the nation's most senior official designation for practising mediators – along with both international and domestic arbitration designations.  He draws upon extensive professional and personal experience with condominiums to relate to and assist his clients.

Marc previously served as the 2nd Vice President of the Toronto & Area chapter of the Canadian Condominium Institute (CCI) and was editor of the award winning, quarterly Condovoice magazine from 2014-2020.  He currently serves as co-chair of the ADR Institute of Ontario's Med-Arb Section.

Marc brings unique insight in mediating and arbitrating condominium conflict through the knowledge and experience he has gained as a condominium director and resident.

Marc actively writes about condominium conflict management and has contributed to several condominium and ADR industry publications. He has presented at condominium and dispute resolution conferences and seminars across the country.

Marc was prominently featured in CBC's popular Vertical City news series.  He has appeared on Newstalk 1010, Family on Air, the Fan 590 (on behalf of the Stitt Feld Handy Group), as well as on Talk Local, a live call-in television show produced by Rogers, CCI's popular Your Condo Connection You Tube video series.  He has been a repeat guest lecturer at Osgoode Hall Law School and Queen University's Faculty of Law.  Marc has been interviewed for articles published by the Globe and Mail, Toronto Star, CBC News and Zoocasa focused on condominium and dispute resolution issues.

Marc also earned an Honours Bachelor of Arts at the University of Toronto (Trinity College) and an Executive Certificate in Conflict Management from the University of Windsor Faculty of Law.

He circulates a free semi-annual newsletter called "Marc on Mediation" and manages the Marc On Mediation website focused upon it. He joined Elia Associates in 2002.

In 2019, the Canadian Condominium Institute (National) honoured Marc with a Distinguished Service Award (DSA).