
For brands
Our Account Managers handle outreach, negotiation and delivery for brands on the platform.
📸 Photographer Seeking Collaborations! 🌟 Hey there! 👋 I'm a passionate photographer looking to embark on exciting collaborations with diverse products. 📷✨ Through my lens, I aim to capture the essence and uniqueness of each product, creating visually compelling stories. ✨ Let's team up to showcase your brand in a creative light! 🚀 Open to exploring innovative partnerships. Let's make beautiful images together! 📩
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Guillén Hernández promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Guillén Hernández make a live appearance at your next event
Brands can sponsor Guillén Hernández on OpenSponsorship by creating a free account, browsing Guillén Hernández'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 content creator.
Guillén Hernández 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 content creator.
According to OpenSponsorship, estimated pricing to sponsor Guillén Hernández starts at $100 for a social media post and $150 for a appearance. Final rates depend on deliverables, usage rights, and campaign scope. Sign up on OpenSponsorship to view packages and send a proposal.
According to OpenSponsorship, Guillén Hernández's audience includes 5K+ Instagram followers, interests including Fashion, Health & Wellness, Home Life, Pets, Shoes, and more, based in Barcelona, Catalonia, Spain. 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