
Self-Managed
I am a professional tennis player who is ranked 362 in the world. I graduated from UCLA where I was a NCAA national team champion, PAC 12 individual champion, and 4x all American. I’m extremely passionate about fitness, plant-based diet, nutrition for performance, and leading a sustainable and environmentally friendly lifestyle.
4x All American
PAC 12 Champion 2015
PAC 12 Runner-Up 2016
National Team Champion 2014
ITA Southwest Region Player of the Year 2016
2x PAC 12 All-Academic Team
First Team All PAC 12 2016
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Catherine Harrison promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Catherine Harrison make a live appearance at your next event
Brands can sponsor Catherine Harrison on OpenSponsorship by creating a free account, browsing Catherine Harrison'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.
Catherine Harrison 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 Catherine Harrison 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, Catherine Harrison's audience includes 3K+ Instagram followers, interests including Vegan, Fitness, Nutrition, Environment, Sustainable Lifestyle, and more, based in Austin, Texas, 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

Genisys Credit Union, headquartered in Auburn Hills, Michigan, has done something most brands never do with athlete sponsorship: it kept renewing. What started as a single partnership with Detroit Lions tight end Sam LaPorta has become a multi-year, two-athlete program that Genisys has renewed and expanded every season since 2024, adding Lions wide receiver Isaac TeSlaa in 2025 and renewing him again in 2026.
October 6, 2026