About Marcus
Dr. Marcus Greatheart is a physician, social worker, and speaker who works at the frontlines of medicine—caring for people who are often pushed to the margins. He brings clarity, warmth, and a fierce commitment to justice in every conversation he leads.Marcus’s work focuses on compassionate, trauma-informed care and system-level change. With a background in both clinical care and community outreach, he helps audiences explore how to show up for others—without burning out or looking away.
Speaking & Workshops
Marcus speaks nationally to healthcare providers, educators, and changemakers on:→ Leading with Compassion: A wellness prescription for physicians and care providers.
→ Building trust with marginalized communities
→ Preventing burnout in frontline work
→ Trauma-informed care at the systems level
→ Quiet leadership for social justiceWhether speaking on a stage or facilitating a workshop circle, Marcus creates space for deep reflection, honest questions, and meaningful connection.

A PechaKucha talk on street medicine, burnout prevention, and why compassion is the strategy — not the risk.
Watch Marcus Speak
"Leading with Compassion” is a wellness prescription for care providers, rooted in lived experience and systems change. Watch Marcus in action at a PechaKucha event.
TikTok Reach
Marcus’s videos on TikTok have reached over [insert total video views or engagement stat if known] and resonate with audiences across Canada and the U.S.—especially those passionate about justice, compassion, and frontline care.His most viewed video has over 849,000 views and opens with a simple but powerful truth:
“Using drugs is the only thing that makes homelessness tolerable.”@DrMarcusG
🎯 13,000+ Followers
🎥 Top video: 700K+ views
🌍 Viewers across Canada, the U.S., and beyond
@drmarcusg As I’ve previously described, homelessness can be an independent driver of addiction and substance use disorders. #doctorsoftiktok #medicaldoctors #medicalstudent #traumainformed #medicalschool #addiction ♬ original sound - Dr. Greatheart, Family Med
Book Marcus to Speak
Reach out using this form — I’d love to hear from you about keynote, facilitation and teaching opportunities.
I live and work on the unceded territory of the Laichwiltach people, the We Wai Kai, Wei Wai Kum and Kwaikah First Nations, for which I am truly grateful.“Compassion is empathy in action.”
© 2025 Dr. Marcus Greatheart