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Alyssa Gerontides is a water-loving athlete and lifestyle creator whose content blends competitive swimming, endurance training, and polished travel moments. She’s a strong fit for brands seeking an authentic, high-energy partner with credibility in performance, wellness, and active lifestyle storytelling.
 I'm a Greek-American, marathon open-water swimmer passionate about fitness, balance, and all things in and on the water. This past year, I swam the width of Lake Tahoe, Nevada as a solo marathon swim and accompanied the youngest female swimmer in the world to ever complete the Catalina Channel - one of seven of the most dangerous swims in the world. I'm also a gym-rat, as they like to call it, and food & lifestyle conscious. I'm looking to represent and work alongside of partners in the Instagram & TikTok space as I build my brand with a growing following.
Triathlon, Golf
University of California, Berkeley
United States
American Foundation for Suicide Prevention, Swim Across America
Alcatraz Swim
Lake Tahoe Solo Width Marathon
Catalina Channel Assist Ultramarathon (Ocean's Seven)
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Alyssa Gerontides promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Alyssa Gerontides make a live appearance at your next event
Brands can sponsor Alyssa Gerontides on OpenSponsorship by creating a free account, browsing Alyssa Gerontides'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.
Alyssa Gerontides 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 Alyssa Gerontides starts at $120 for a social media post, $900 for a appearance and $2,400 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, Alyssa Gerontides's audience includes interests including Swimming, Sailing, Golf, Travel, Fashion, and more, based in San Francisco, California, United States. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

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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