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Sebastian Fanselow is a pro tennis player and sport psychology coach whose brand naturally blends elite athletic performance, mental resilience, and a polished personal lifestyle. With a strong tennis audience, authentic coaching credibility, and engaging family-and-travel content, he’s a compelling fit for campaigns looking for a credible, high-performance creator with a human touch.
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Sebastian Fanselow promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Sebastian Fanselow make a live appearance at your next event
Brands can sponsor Sebastian Fanselow on OpenSponsorship by creating a free account, browsing Sebastian Fanselow'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.
Sebastian Fanselow 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 Sebastian Fanselow starts at $120 for a social media post, $120 for a appearance and $600 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, Sebastian Fanselow's audience includes 1K+ Instagram followers, interests including Fitness & Performance, Apparel, Activewear, Marriage & Family, Travel, and more, based in Lisbon, Lisbon, Portugal. 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