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  1. Home
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  3. William Simpson

William Simpson profile image

Sponsor William Simpson

Athlete (retired)

Self-Managed

Boxing - Wakefield Trinity
Local
Reach
High
Response Rate

For brands

Want our team to run a deal with William Simpson, or find athletes like them?

Our Account Managers handle outreach, negotiation and delivery for brands on the platform.

About William Simpson — retired Wakefield Trinity boxing athlete

William Simpson is a professional boxer whose content blends fight-night action, disciplined training, and faith-driven storytelling. He offers brands a strong fit for sports, fitness, and lifestyle campaigns thanks to his authentic athlete presence, knockout credibility, and consistent engagement around upcoming bouts and sponsorship activations.


Gallery

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Overview

🎂27
·
👨Male
📍Moreno ValleyCaliforniaUnited States

Is Retired

Wakefield Trinity

Pre-Packaged Projects

Frequently asked questions

Promote your brand and sponsor William Simpson today!

New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.

Fitness & PerformanceApparelActivewearHealth & WellnessPhotographyFashionReligionTravel

Pre-Packaged Projects

Social Media Deal

1 post & 1 story with the William Simpson promoting your product.

$100
User Generated Price
Sign up to start an offer

Brand Ambassador Deal

Long-term deal involving appearances, photoshoots, social media and more.

$360
User Generated Price
Sign up to start an offer

Appearance Deal

Have William Simpson make a live appearance at your next event

$120
User Generated Price
Sign up to start an offer

Custom

Need help on a custom package for this athlete?

Login to request help

Frequently asked questions

Brands can sponsor William Simpson on OpenSponsorship by creating a free account, browsing William Simpson'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.

William Simpson 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 William Simpson starts at $100 for a social media post, $120 for a appearance and $360 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, William Simpson's audience includes 11K+ Instagram followers, interests including Fitness & Performance, Apparel, Activewear, Health & Wellness, Photography, and more, based in Moreno Valley, California, United States. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

Influencer Marketing Benchmarks: How Many Viewers Click an Influencer's Link? (2026)

Influencer Marketing Benchmarks: How Many Viewers Click an Influencer's Link? (2026)

Every brand running an influencer campaign on a cost-per-acquisition target eventually asks the same question: how many people will click the link? It decides how many creators you need, and whether your CAC target is realistic before you spend a dollar.

October 29, 2026

How to Measure Influencer Marketing ROI: A 5-Step Framework

How to Measure Influencer Marketing ROI: A 5-Step Framework

 

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

Ingredient Branding Done Right: How Immunotec Made Glutathione Mainstream

Ingredient Branding Done Right: How Immunotec Made Glutathione Mainstream

Glutathione has become one of the most talked-about molecules in wellness — the “master antioxidant” that shows up in podcasts, longevity conversations, and the supplement aisle alike. But behind that mainstream moment is a brand that has spent decades making glutathione credible: Immunotec. This is the story of how OpenSponsorship helped Immunotec turn that scientific authority into everyday consumer demand — and a real-world example of what ingredient branding looks like when it’s done right.

July 13, 2026

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FDNY promotions shine spotlight on Staten Islanders who climbed the ranks (94 photos) - SILive.com

September 24, 2026

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Maintaining Lake Houston: Dredging and Maintenance District looks to provide long-term solution - Community Impact

September 29, 2026

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William Simpson Cowper: A gentle man with a huge talent and passion for art - Cumberland and Westmorland Herald

September 25, 2026

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