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Caleb Gelin is an IFBB Classic Physique pro and active bodybuilding competitor from Union, New Jersey, with a highly disciplined training and prep-focused presence. He’s a strong fit for fitness, activewear, supplement, and performance-driven campaigns thanks to his authentic contest-prep storytelling, physique content, and clear alignment with the bodybuilding audience.
NPC classic physique champion
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Caleb Gelin promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Caleb Gelin make a live appearance at your next event
Brands can sponsor Caleb Gelin on OpenSponsorship by creating a free account, browsing Caleb Gelin'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.
Caleb Gelin 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 Caleb Gelin starts at $216 for a social media post, $120 for a appearance and $60 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, Caleb Gelin's audience includes 2K+ Instagram followers, interests including Fitness & Performance, Apparel, Activewear, Fitness, Travel, and more, based in Union, New Jersey, 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