Impact Podcast with John Shegerian Features Special Two-Part, In-Depth Interview with Dr. Dawn Mussallem

Healthy Living and Longevity Thought Leader Shares Her Personal Inspirational Survival Story

LOS ANGELES--(BUSINESS WIRE)--Lifestyle medicine thought leader and Chief Medical Officer of Fountain Life Dr. Dawn Mussallem, DO, DipABLM, is the featured guest of a special two-part, in-depth conversation premiering this week on the Impact Podcast with John Shegerian. The show is hosted by Shegerian, Co-Founder and Chairman/CEO of ERI.

Dr. Mussallem was appointed Chief Medical Officer of Fountain Life, a premier longevity company, in December 2025. Previously a renowned Mayo Clinic consultant in hematology/oncology and a double board-certified lifestyle medicine specialist, she now leads Fountain Life's efforts to advance AI-driven, proactive, and preventive health strategies.

Her professional mission is deeply shaped by her own extraordinary health journey. She had a stage IV cancer diagnosis three months into medical school, followed by a life-restoring heart transplant in 2021. In a landmark achievement, she became the first person in the world to run a full marathon one year after a heart transplant, embodying the principles of recovery, regeneration, and peak performance that she teaches.

In the Impact Podcast interview, Dr. Mussallem shares details of her powerful story of how she conquered a unique combination of challenges to get to where she is today. She also shares wisdom and professional insights on healthy living, nutrition, sleep and screenings that can help anyone live their best and healthiest life.

“It was a tremendous honor to have Dawn, a true wellness icon and triumphant spirit on so many levels, on our show to share her incredible story and impactful healthy living advice,” said Shegerian. “Our audience is sure to be inspired by and learn much from this captivating conversation.”

“Thanks so much to John and the Impact Podcast for having me on the show,” said Dr. Mussallem. “And good luck to all of the Impact listeners. We’re all in this journey of life together to elevate each other. So let’s continue on that path of wellness.”

Impact Podcast guests are invited as thought leaders to share with listeners first-hand accounts of how they are able to help make the world a better place on a daily basis.

The Impact Podcast with John Shegerian is available for listening on ImpactPodcast.com, Spotify, Apple Podcasts, Audible, Amazon Music, Youtube Music, Pandora, and as part of iHeartRadio’s digital broadcast.

For more information, visit ImpactPodcast.com