Conflict is inevitable. Damage is not.
Mediator. Lawyer. Conflict Strategist.
When reputations, relationships, and results are at stake, composure becomes strategy.
Based in Toronto and working internationally, Susannah Margison helps professionals, executives, and private clients resolve high-stakes conflict with clarity, discretion, and control.
Trusted in High-Stakes Conflict
Through Hendler Mediation, she mediates medical malpractice, healthcare negligence, institutional abuse, and class action matters.
Through her private practice, she supports executives, founders, and families navigating pivotal decisions, negotiations, and leadership challenges.
Grounded in law. Informed by psychology. Defined by discretion.
Trusted by executives and leading law firms across Canada.
The Philosophy
At this level, where power, identity, and consequence intersect, every choice carries meaning.
Conflict is not a contest but a reckoning — with what endures when it is over.
Susannah helps clients preserve what matters most: outcomes, reputations, and the integrity of their leadership.
The Work
For people who operate under scrutiny, where decisions are public and relationships are political, Susannah offers private conflict strategy designed to protect both reputation and identity.
She also works privately with high-profile individuals and couples navigating conflict behind closed doors, where business, partnership, and self are deeply intertwined.
This work is for clients who require results without exposure — strategy that is measured, not performative.
For complex or multi-party matters, her approach may involve collaboration with trusted external experts to ensure cohesive, discreet resolution.
Services at a Glance
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Discreet, one-hour consultation to clarify strategy and next steps in high-stakes conflict.
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A three-hour deep-dive to design language, structure strategy, and prepare for critical conversations or negotiations.
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A half- or full-day facilitated process to achieve resolution in high-stakes or reputationally sensitive disputes.
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A full-day mediation process for complex civil matters requiring legal precision, neutrality, and discretion.
Mediations are conducted through Hendler Mediation, one of Canada’s most respected civil mediation practices.
“Anyone can win the moment. The real strategy is leaving the room with your reputation and your options intact.”
- Susannah margison
Begin the Conversation
When everything feels at risk, clarity is power. Susannah works with professionals, private clients, and organizations across Canada and internationally.
Every engagement begins in confidence.
No commitment. No exposure. Only strategy.