
Self-Managed
For brands
Our Account Managers handle outreach, negotiation and delivery for brands on the platform.
Josie Valeri is a professional soccer player and PhD researcher whose content blends athletic credibility, wellness, travel, and thoughtful personal storytelling. She’s a strong fit for brands seeking an authentic athlete with a polished on-camera presence and an audience that responds to performance, lifestyle, and real-life routine.
I’m an American-born, professional soccer player and scholar based in Greece with a PhD in critical psychology. I contribute my expertise as an athlete and scholar to advocate for international, professional students and athletes. Mentoring those who are navigating cultural changes, I bring leadership, adaptability, and a commitment to well-being to sponsorships. Given my background, I aim to inspire and educate through my play.
A.P.G.M.S. Kalloni
Point Park University
United States
Open Field
Has access to a professional photographer
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Josie Valeri promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Josie Valeri make a live appearance at your next event
Brands can sponsor Josie Valeri on OpenSponsorship by creating a free account, browsing Josie Valeri'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.
Josie Valeri 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 Josie Valeri starts at $576 for a social media post, $720 for a appearance and $2,880 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, Josie Valeri's audience includes 3K+ Instagram followers, interests including Fitness & Performance, Health & Wellness, Food & Drink, Art, Music, and more, based in Kalloni, Greece. 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