
Self-Managed
For brands
Our Account Managers handle outreach, negotiation and delivery for brands on the platform.
Christopher Viall is a former Stanford and New York Mets baseball player who now brings that same athlete credibility into his work as CEO of Prospectus. With a bio built around baseball mentorship, recruiting, and helping college ballplayers, he offers brands a strong fit for sports, training, and youth-development campaigns with real authenticity behind the message.
I am a minor league baseball player in the New York Mets Organization and Stanford Graduate. I have a relatively large social media following on both coasts of the US, and would love to build relationships with relevant brands!
New York Mets
Stanford University
United States
jacob's heart
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Christopher Viall promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Christopher Viall make a live appearance at your next event
Brands can sponsor Christopher Viall on OpenSponsorship by creating a free account, browsing Christopher Viall'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.
Christopher Viall 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 Christopher Viall starts at $960 for a social media post, $1,440 for a appearance and $60,000 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, Christopher Viall's audience includes 33K+ Instagram followers, interests including Home Life, Pets, Travel, Music, Pets, and more, based in Columbia, South Carolina, 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