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  3. Maryguenn Vellinga

Maryguenn Vellinga profile image

Sponsor Maryguenn Vellinga

Athlete

Self-Managed

Boxing
Niche
Reach
High
Response Rate

For brands

Want our team to run a deal with Maryguenn Vellinga, or find athletes like them?

Our Account Managers handle outreach, negotiation and delivery for brands on the platform.

About Maryguenn Vellinga — boxing athlete

Why you should sponsor me for your next influencer campaign?

 Maryguenn Vellinga works at Art and is based in Salt Lake City, UT.

Overview

👩Female

Pre-Packaged Projects

Frequently asked questions

Promote your brand and sponsor Maryguenn Vellinga today!

New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.

Pre-Packaged Projects

Social Media Deal

1 post & 1 story with the Maryguenn Vellinga promoting your product.

$400
Estimated Price
Sign up to start an offer

Brand Ambassador Deal

Long-term deal involving appearances, photoshoots, social media and more.

$3,600
Estimated Price
Sign up to start an offer

Appearance Deal

Have Maryguenn Vellinga make a live appearance at your next event

$600
Estimated Price
Sign up to start an offer

Custom

Need help on a custom package for this athlete?

Login to request help

Frequently asked questions

Brands can sponsor Maryguenn Vellinga on OpenSponsorship by creating a free account, browsing Maryguenn Vellinga'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.

Maryguenn Vellinga 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 Maryguenn Vellinga 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, Maryguenn Vellinga is active on the platform for brand partnerships. View social reach, content focus, and campaign options on this profile to evaluate fit for your brand.

Influencer Marketing Benchmarks: How Many Viewers Click an Influencer's Link? (2026)

Influencer Marketing Benchmarks: How Many Viewers Click an Influencer's Link? (2026)

Every brand running an influencer campaign on a cost-per-acquisition target eventually asks the same question: how many people will click the link? It decides how many creators you need, and whether your CAC target is realistic before you spend a dollar.

October 29, 2026

How to Measure Influencer Marketing ROI: A 5-Step Framework

How to Measure Influencer Marketing ROI: A 5-Step Framework

 

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

Ingredient Branding Done Right: How Immunotec Made Glutathione Mainstream

Ingredient Branding Done Right: How Immunotec Made Glutathione Mainstream

Glutathione has become one of the most talked-about molecules in wellness — the “master antioxidant” that shows up in podcasts, longevity conversations, and the supplement aisle alike. But behind that mainstream moment is a brand that has spent decades making glutathione credible: Immunotec. This is the story of how OpenSponsorship helped Immunotec turn that scientific authority into everyday consumer demand — and a real-world example of what ingredient branding looks like when it’s done right.

July 13, 2026

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Nayeli Rodriguez's WIBA title shot on the line at El Paso County Coliseum - El Paso Times

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