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Carter Kieboom is a Major League Baseball player with strong visibility in the Washington market and a polished, sponsor-friendly presence both on and off the field. His mix of athletic credibility, lifestyle content, and brand-safe, professional imagery makes him a natural fit for campaigns looking to reach sports fans and active consumers.
Carter Kieboom is the number 1 prospect in the Washington Nationals' organization and their starting Third Baseman. Carter is poised to be a superstar both in the field and at the plate for the Nationals for years to come. Carter is personable, engaging, and humorous. He enjoys the outdoors, working out, eating great-tasting food, and is an all-around, easy-going guy.
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Carter Kieboom promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Carter Kieboom make a live appearance at your next event
Brands can sponsor Carter Kieboom on OpenSponsorship by creating a free account, browsing Carter Kieboom'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.
Carter Kieboom 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 Carter Kieboom starts at $4,000 for a social media post, $6,000 for a appearance and $36,000 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, Carter Kieboom's audience includes interests including Home Life, Pets, Food & Drink, Alcohol, Activewear, and more, based in Washington, District of Columbia, 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