MJ DeMarco

About

MJ DeMarco is an entrepreneur and international best-selling author whose works have been translated into over 25 languages. He is the co-founder of GoalSumo.com, a goal-setting and productivity system that utilizes his proprietary 1/5/10 Strategy. Additionally, he founded Viperion Publishing Corp., which manages and distributes his published works, and created The Fastlane Forum, an entrepreneurial discussion platform that has amassed nearly 1,000,000 posts and 80,000 members.

Before becoming an author, DeMarco was the founder and CEO of Limos.com and LimoForSale.com, two successful global ground transportation marketplaces. He built these companies into profitable enterprises without formal training or significant initial capital. After selling the companies in 2001 and reacquiring them through bankruptcy reorganization, he ultimately sold them again in 2007. DeMarco advocates for rejecting conventional paths to success, promoting a lifestyle focused on compassion, health, and happiness.

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Credibility Rating

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

MJ DeMarco has a Credibility rating of 190 out of 1000, calculated using our proprietary algorithm.

Learn more on our How it Works page.

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Is MJ DeMarco legit?

MJ DeMarco has a credibility rating of 190 out of 1000 on Modern Mentor AI, making them a developing voice, ranking #73 of the 431 business thought leaders we track. The rating weighs reach against substance, so a high score reflects more than popularity.

What is MJ DeMarco's credibility rating?

As of September 2026, MJ DeMarco's credibility rating is 190/1000, calculated by our proprietary algorithm. Read about the methodology on the How it Works page.

Who are experts similar to MJ DeMarco?

Thought leaders similar to MJ DeMarco include Mike Michalowicz, Russell Brunson and David Bach. See all mentors like MJ DeMarco

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