Sponsor Pieter Buist
Netherlands
Athlete
Self-Managed
Mixed Martial Arts (MMA) - Combat Brothers
Local
Reach
High
Response Rate
About Pieter Buist — Combat Brothers mixed Martial Arts (MMA) athlete
Pieter Buist is a Dutch pro MMA fighter from Breda with a strong international fight résumé, including experience in ONE Championship, Bellator, Brave, and WFL. Beyond the cage, he brings authentic family-focused content and community impact, making him a strong fit for brands looking to reach combat-sports fans and engaged lifestyle audiences.
Why you should sponsor me for your next influencer campaign?
Dear potential sponsors, My name is Pieter Buist I am a professional athlete in MMA in the Lightweight division who lives in the Netherlands Breda. I am is 2nd ranked of 114 active fighters in Southeast Asia and 4th ranked of 572 active fighters in Western Europe. I hold a record of 17 wins, 4 loses and 0 draws. Within these 17 wins he holds 4 titles; 2 times FIMAC European Champion 77kg, SHC European Champion 70 kg, and World Champion of WFL “World Fighting League” 70 kg. After winning the WFL world title I was given the opportunity to show my talent within "ONE Championship". ONE is Asia’s largest global sports media property in history, with a global broadcast reach of 2.7 billion potential viewers across 150+ countries. They also achieved some of the highest TV ratings and social media engagement metrics across Asia with its unique brand of Asian values. The events are held in the largest stadiums in the most iconic cities across Asia. Due to his spectacular fighting style and undefeated streak in his last 8 matches, he became one of the popular fighters within ONE. On top of that Pieter is also announced as one of the best looking fighter in the organization. The mission of ONE is to unleash real life superheroes who ignite the world with hope, dreams, inspiration and strength. This mission suits me as no other, as a fighter and as an inspirator. My history has inspired many. Where I grew up in a tough neighbourhood, from being homeless to becoming a garbage man and now candidate. After defaulting a former ONE Championship world champion, to become the world champion for the biggest MMA organization in the world. I am also ambassador for children that cannot afford to participate in sports. With this task I managed to get the funds for a large group of children who are now able to do the sports they love the most. The reason I reach out to you is to see if there are any possibilities regarding sponsorship. I am aware of the large opportunities that are among us. The reach of ONE is major which means that your brand is able to conquer not only south-east Asia where the fights are held, but also all the 150+ countries where the fights are broadcasted. These are broadcasted via the highlight-clips on social media, and in the ONE app. Next to this market I own a fanbase in the Netherlands which reaches out to through his social-media. The chances/possibilities for you lays in the worldwide advertisement and brand expanding. With this perfect match I am confident that I can help your company to create new leads/prospects and increase opportunities for existing customers in the market worldwide. If you are interested I would like to hear what you can offer to contribute to making the “brand” Pieter Buist bigger than it is now. If we would team up in his mission to become the ONE world champion, the benefits for both parties would be big. I hope to inspire you with this as I inspires the people in my environment. Thank you. Best regards, Pieter Buist Information: > WFL Final https://www.youtube.com/watch?v=AdHpeKxCXRw&t=338s > First One Championship match - Pieter Buist vs. Kota Shimoishi https://www.youtube.com/watch?v=aEd3u6l41rI&t=4s > Second One Championship match - Pieter Buist vs. Antonio Caruso https://www.youtube.com/watch?v=pX3pjLet7PM&t=97s > Third One Championship match - Eduard Folayang vs. Pieter Buist https://www.youtube.com/watch?v=aXXUeQirpKA&t=20s > Pieter Buist Documentary part 1 https://www.youtube.com/watch?v=_I-7KY41Gr0&t=347s > Pieter Buist Documentary part 2 https://www.youtube.com/watch?v=HxZKolhrAeQ > Pieter Buist Documentary part 3 https://www.youtube.com/watch?v=LaDRSsr2BJE > Pieter Buist handsome MMA fighter of One Championship in 2020 https://conandaily.com/2020/01/10/most-handsome-mma-fighters-of-one-championship-in-2020/ > Candidate One Championship champion https://www.onefc.com/news/christian-lee-reacts-to-the-lightweight-rankings/ > Pieter Buist ambassador https://jeugdfondssportencultuur.nl/nieuws/pieter-buist-ambassadeur-jeugdfonds-sport-breda
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- My career high rank was 3th. As part of the Lightweight - ONE Championship. In the year 2020.
- My career high rank was 1st. As part of the WFL. In the year 2018.
- My career high rank was 1st. As part of the FIMAC. In the year 2014.
- My career high rank was 1st. As part of the FIMAC. In the year 2016.
- My career high rank was 1st. As part of the SHC. In the year 2017.
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OpenSponsorship Releases World Cup Brand Activation Data as FIFA 2026 Kicks Off
Press Release · New York, NY
The world's largest athlete marketing platform reports 277 million views from soccer creators in the last eight weeks, with 1,552 bookable soccer athletes ready for brand activation across 15+ countries. Clients including Walmart and USA Today are already activating ahead of kickoff.
OpenSponsorship, the world's largest athlete marketing platform backed by Serena Williams and David Blitzer, today released proprietary data showing the scale of the creator opportunity around the 2026 FIFA World Cup, which kicks off Thursday, June 11th in North America. With brands including Walmart and USA Today already activating soccer creator campaigns through the platform, OpenSponsorship is positioned as the go-to partner for brands looking to win the biggest sports marketing moment of the decade.
277M
soccer creator views, last 8 weeks
1,552
bookable soccer athletes, 15+ countries
276
viral posts over 100K views, just 86 athletes
The platform's soccer roster has generated 277 million views in the last eight weeks alone, with 276 viral posts clearing 100,000 views across just 86 athletes. OpenSponsorship has 1,552 publicly listed and bookable soccer athletes across 15+ countries, including 893 in the United States, alongside athletes from the UK, Mexico, Canada, Spain, Brazil, France, Nigeria, and more.
Brands that can't sign elite players can still reach their audienceWith 48 nations competing in the largest World Cup in history, brands face a common challenge: the biggest names are either off limits or out of budget. OpenSponsorship's data shows that mid-tier and creator talent routinely out-reaches their follower counts by 50 to 100x — giving brands access to the same passionate fan audiences at a fraction of the cost of global stars.
“The World Cup is the biggest commercial moment in sports marketing history, and the brands that win it will not be the ones who waited for the tournament to start. Our soccer athletes have already generated 277 million views in the last two months. The audience is engaged, the creators are ready, and the window to activate at the best rates closes when kickoff happens.” — Ishveen Jolly, Founder & CEO, OpenSponsorshipWalmart and USA Today: what World Cup activation actually delivers
OpenSponsorship's recent Walmart Soccer Saturday campaign demonstrates what's possible when brands activate the right soccer creators. The campaign — which featured AA9Skillz, Brittany Wilson, Matty Farias, Sean Garnier, and others — generated the following:
11.6M
total campaign views
4.5%
engagement — ~2x industry benchmark
USA Today is also activating soccer creator campaigns through OpenSponsorship ahead of the World Cup, leveraging the platform's roster of 1,552 bookable soccer athletes to reach highly engaged audiences across the US, Canada, and Mexico — the three host nations for the 2026 tournament.
“When creators genuinely love a sport and an event, it shows in the content. The Walmart campaign worked because the athletes were authentic soccer fans first and brand partners second. That authenticity is exactly what drives the kind of engagement numbers brands cannot get from traditional advertising.” — Ishveen Jolly, Founder & CEO, OpenSponsorshipThe World Cup activation window
OpenSponsorship's data shows a clear opportunity curve for World Cup brand activation. Athletes are available now at pre-tournament rates, with demand and pricing expected to rise sharply once the group stage begins June 11th.
- Kickoff — June 11: the group stage is the viral window, where trending athletes are still affordable before bidding wars begin.
- The Final — July 19, MetLife Stadium: the highest-profile moment for brands that have already built creator relationships.
Brands that lock in creator partnerships before the tournament begins benefit from lower rates, more authentic content, and deeper athlete relationships that extend beyond the tournament window. OpenSponsorship's white-glove managed service handles sourcing, contracting, content briefing, delivery, and ROI reporting end to end.
Members of the press — download the full release:
Download the Press Release (PDF)OpenSponsorship is the world's largest athlete marketing platform, connecting 25,000+ athletes and creators with brands across 160 sports and 120 countries. Launched in 2015, the company has facilitated over 9,000 accepted deals and 8,000+ successful brand-creator matches, giving it the largest proprietary dataset in athlete marketing. OpenSponsorship became profitable in 2024 and delivered 200% revenue growth in 2025. Ishveen Jolly, backed by investors Serena Williams and David Blitzer, is the Founder and CEO, winner of SBJ Game Changer 2025 and Forbes 30 Under 30. The 2026 State of Athlete and Influencer Marketing Report is available at opensponsorship.com.
Want to activate soccer creators before kickoff?
The best rates close when the tournament starts.
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June 11, 2026
