
Self-Managed
For brands
Our Account Managers handle outreach, negotiation and delivery for brands on the platform.
Sierra Hyland is a former Cal Poly standout and softball coach/instructor with a strong presence in women’s sports, athlete development, and fastpitch pitching. She also brings lifestyle appeal through vintage fashion, thrift/resell content, travel, and a warm, community-driven voice that makes her a strong fit for brands looking to connect with active women and sports families.
Smash It Sports Vipers
California Polytechnic State University
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Sierra Hyland promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Sierra Hyland make a live appearance at your next event
Brands can sponsor Sierra Hyland on OpenSponsorship by creating a free account, browsing Sierra Hyland'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.
Sierra Hyland 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 Sierra Hyland starts at $120 for a social media post, $180 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, Sierra Hyland's audience includes 6K+ Instagram followers, interests including Fashion, Pets, Activewear, Travel, Fashion, and more. 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