ABOUT SUSANNAH
Mediator. Lawyer. Mediator. Conflict Strategist. Trusted partner in high-stakes conversations.
Susannah Margison is a Toronto-based mediator and conflict strategist with Hendler Mediation, one of Canada’s most respected mediation firms.
She specializes in complex civil and reputationally sensitive disputes, including medical malpractice, healthcare-related class actions, elder and long-term care negligence, and institutional sexual abuse.
With nearly 15 years of experience spanning litigation, mediation, and executive conflict consulting, Susannah helps professionals and organizations navigate conflict when credibility, relationships, and reputation are on the line.
Her work bridges legal insight, negotiation strategy, and conflict psychology—so clients don’t just survive hard conversations, they lead them..
The Philosophy.
Conflict isn’t a failure. It’s a turning point.
The question is whether it leads to damage—or to a resolution that protects what matters most.
Susannah approaches conflict through a rare lens: blending legal strategy, negotiation science, and modern mediation practice to help professionals move through difficult conversations without compromising who they are.
Her philosophy is grounded in strategic integrity—the belief that doing what’s right, and doing it well, is the most effective form of conflict resolution.
She helps clients act with clarity, communicate with precision, and protect their credibility, even under pressure.
That means crafting communication that can withstand legal scrutiny, media exposure, or public criticism—and walking away knowing you were the most reasonable person in the room.
Her clients don’t just walk into conversations prepared—they walk in unimpeachable.
Because when your values are clear, your decisions aligned, and your strategy sharp, someone being angry with you doesn’t have to be a crisis.
It becomes part of the plan.
SERVICES
The Conflict Clinic (60 Minutes)
A private, one-hour strategy session designed to bring immediate clarity, language, and control.
Mediation (Full or Half-Day)
Through Hendler Mediation, Susannah works on some of Ontario’s most complex and sensitive civil disputes.
Private Coaching Intensive (3 Hours)
Strategic conflict and negotiation support for leaders who can’t afford missteps.
Negotiation Facilitation (Half-Day)
Guided, structured negotiation for founders, partners, or professional breakups.
Credentials & Background
Susannah is a lawyer, mediator, and certified conflict coach with nearly 15 years of experience helping professionals navigate high-pressure conversations and reputational risk.
J.D., Canadian lawyer (called to the bar in 2012)
B.Sc. (Hons), Health Sciences
Certified executive coach with advanced training in conflict management
Over a decade of experience in litigation, negotiation, and mediation
Trauma-informed and neurodiversity-aware
Featured as a conflict expert on CTV News, CBC Radio, CP24, and The Globe and Mail