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Masio Fullen is a Mexico City-based MMA pro and coach whose content is built around high-intensity training, fight prep, and a true combat-sports lifestyle. He brings strong credibility in MMA and boxing, making him a natural fit for brands looking to reach performance-minded, fight-fan audiences with authentic athlete storytelling.
Masio Fullen is Mexicos Mixed Martial Art's pioneer. The true spirit of Mexican combat sports. Masio has competed around the world and in the highest platforms of MMA. His grit and and style made him a fan favorite in the the Ultimate Fighter TV show and in the Ultimate Fighter competition. Generating over 12k followers on instagram as well as Facebook. Masio will make a great ambassador to any brand that fits his lifestyle.
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Masio Fullen promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Masio Fullen make a live appearance at your next event
Brands can sponsor Masio Fullen on OpenSponsorship by creating a free account, browsing Masio Fullen's profile, and sending a sponsorship proposal for social posts, appearances, or integrated campaigns. OpenSponsorship handles messaging, deliverables, and deal terms in one platform so you can connect directly with this athlete.
Masio Fullen is listed on OpenSponsorship and available for brand sponsorships. Brands can review campaign packages, audience details, and pricing on this profile, then submit a proposal to start a partnership with this athlete.
According to OpenSponsorship, estimated pricing to sponsor Masio Fullen starts at $4,000 for a social media post, $6,000 for a appearance and $36,000 for a brand ambassador campaign. Final rates depend on deliverables, usage rights, and campaign scope. Sign up on OpenSponsorship to view packages and send a proposal.
According to OpenSponsorship, Masio Fullen's audience includes 37K+ Instagram followers, interests including Fitness & Performance, Apparel, Boxing, Climbing, Running, and more, based in Mexico City, Mexico City, Mexico. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

How do you measure influencer marketing ROI when half the numbers social media gives you are vanity metrics? It is the question brands ask us most, and it came up again when I joined Massimo Marinelli on the Berkida Ventures Podcast. After more than ten years and thousands of brand deals with athletes and creators at OpenSponsorship, here is how we think about it, and the framework we use with our clients.
October 28, 2026