About

Mark Sloan is recognized as an international best-selling author, ranking #1 with his groundbreaking books, 'The Cancer Industry', 'Cancer: The Metabolic Disease Unravelled' and 'Red Light Therapy: Miracle Medicine'. He has significantly contributed to the world of health literature, with over 300 articles published on his popular health website, Endalldisease.

Mark's journey, however, has its origin in a personal tragedy. At the tender age of 12, he lost his mother to cancer. It was 15 years later that he realized this heartbreaking event was his greatest gift, driving him forward to find essential answers to the health questions the world is desperate to understand.

Purpose and Mission

Turning his sorrow into strength, Mark found his life's purpose: to advance global understanding of disease. He decided he would commit his life to ensure no child ever has to endure the pain and loss he experienced.

Mark resides in Ontario, Canada, and has a vision to build an off-grid homestead. He dreams of raising a family in a way that is resilient, regenerative, and beneficial to nature, striving to create a sustainable world for everyone.

Passions and Goals

Beyond his professional achievements, Mark is passionate about learning. His ultimate goal is to alleviate suffering in the world and create a better place for all, fostering an environment where future generations can thrive.

Credibility Rating

This scatter chart is an overview showing Mark Sloan's rating in comparison to other thought leaders in the same categories.

Mark Sloan has a Credibility rating of 42 out of 1000, calculated using our proprietary algorithm.

Learn more on our How it Works page.

Frequently Asked Questions

Is Mark Sloan legit?

Mark Sloan has a credibility rating of 42 out of 1000 on Modern Mentor AI, making them a developing voice, ranking #195 of the 340 self-help thought leaders we track. The rating weighs reach against substance, so a high score reflects more than popularity.

What is Mark Sloan's credibility rating?

As of August 2026, Mark Sloan's credibility rating is 42/1000, calculated by our proprietary algorithm. Read about the methodology on the How it Works page.