
For brands
Our Account Managers handle outreach, negotiation and delivery for brands on the platform.
Mary Carter is a New York-based strength and performance coach with a polished, high-energy fitness brand built for audiences that respond to training, transformation, and lifestyle content. Her mix of gym education, body recomposition themes, and fashion-forward visuals makes her a strong fit for wellness, activewear, and performance-driven campaigns.
Mary Carter have always taken an interest in fitness, movement, and good health. Some would say she’s a Swiss Army knife because of her ability to do multiple things throughout her career such as train , model , play basketball , run track , volleyball and golf .
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Mary Carter promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Mary Carter make a live appearance at your next event
Brands can sponsor Mary Carter on OpenSponsorship by creating a free account, browsing Mary Carter'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 content creator.
Mary Carter 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 content creator.
According to OpenSponsorship, estimated pricing to sponsor Mary Carter starts at $400 for a social media post, $600 for a appearance and $3,600 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, Mary Carter's audience includes 4K+ Instagram followers, interests including Fitness & Performance, Fashion, Apparel, Activewear, Fitness, and more, based in New York, New York, 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