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William Bullard is a high-energy basketball talent and coach whose brand blends elite athletic credibility with community leadership, fatherhood, and mentorship. As a Harlem Globetrotters athlete and founder-facing training personality, he offers strong appeal for sports, fitness, family, and performance-driven campaigns that want authentic reach and real-world engagement.
I’m an Amazing well rounded athlete who has appeared on numerous tv shows and made appearances to 70 different countries around the world ! I currently hold 4 Guinness world records, I was featured in Forbes health section for on the road tips when it comes to dieting, I was featured on American Ninja Warrior 3 times, Tough mudder X, Whatthefit With Kevin Hart & Jimmy Fallon , Good morning America, and many more! I represent myself in a way that could work with any brand and I stand by my products ! I have a few sponsorships with a few companies already but I’m ready to promote the best thing out there! Besides being a professional basketball player, I’m also a personal trainer!
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the William Bullard promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have William Bullard make a live appearance at your next event
Brands can sponsor William Bullard on OpenSponsorship by creating a free account, browsing William Bullard'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 Bullard 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 Bullard 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, William Bullard's audience includes 30K+ Instagram followers, interests including Home Life, Kids, Pets, Fitness & Performance, Activewear, and more, based in Seattle, Washington, United States. 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