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Hi, my name is Caleb Breslin and I represent 3 very hard-working professional athlete content creators. On top of their loyal and supportive communities, they are growing in their respective sport ranking as much as they are on social media - see more below: Simon Freund (Pro Tennis Player) - https://pillar.io/simonfreund/mediakit Mark Matthews (Pro Mountain Biker) - https://pillar.io/markmatthews/mediakit Ernest Tramp (Trampoline World Record Holder) - https://pillar.io/ernesttramp/mediakit
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Simon Freund promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Simon Freund make a live appearance at your next event
Brands can sponsor Simon Freund on OpenSponsorship by creating a free account, browsing Simon Freund'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.
Simon Freund 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 Simon Freund 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, Simon Freund's audience includes based in Stockholm, Stockholm County, Sweden. 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