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  1. Home
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  3. David Holmberg

David Holmberg profile image

Sponsor David Holmberg

United States
Athlete (retired)
Baseball - Kane County Cougars
Niche
Reach
High
Response Rate

About David Holmberg — retired American Association of Professional Baseball baseball athlete

Why you should sponsor me for your next influencer campaign?

 Pitcher for the Chicago White Sox

Overview

🎂35
|
👨Male
📍ChicagoIllinoisUnited States

Is Retired

Kane County Cougars

United States

Pre-Packaged Projects

Frequently asked questions

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Demographics
Demographics

Demographics

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Recent News
Recent News

Recent News

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Talking about
Talking about

Talking about

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Reviews
Reviews

Reviews

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Promote your brand and sponsor David Holmberg today!

1
Choose me

Choose me

Review my profile and stats to see if I am the right fit for your campaign.

2
Create a proposal

Create a proposal

Send me a proposal detailing your objectives and campaign needs.

3
Set deliverables

Set deliverables

Specify the exact marketing tasks and deliverables you want completed.

4
See ROI

See ROI

Track performance to measure the results and return on your investment.

Sign up and send David Holmberg a proposal or connect with +25,000 athletes. Set your marketing deliverables, have athletes execute them and watch the return multiply.

Nano vs Micro vs Mega Influencers: What 1,527 Creator Campaigns Reveal About Cost and ROI

Nano vs Micro vs Mega Influencers: What 1,527 Creator Campaigns Reveal About Cost and ROI

Every influencer marketing article tells you the same thing: micro-influencers are better value. Almost none of them show you the receipts. So we pulled ours.

July 15, 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

America's 250th Birthday: The Brand Activation Playbook for 2026

America's 250th Birthday: The Brand Activation Playbook for 2026

2026 is the biggest year in American sports history

On July 4, 2026, the United States turns 250. The Semiquincentennial — America250 — isn't a single day; it's a Congress-chartered, yearlong national celebration running from Memorial Day 2025 through the end of 2026, with signature events in New York, Philadelphia, Washington, DC and Main Streets across the country.

July 1, 2026

Pre-Packaged Projects

Social Media Deal

1 post & 1 story with the David Holmberg 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 David Holmberg make a live appearance at your next event

$600
Estimated Price
Sign up to start an offer

Custom

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Frequently asked questions

Brands can sponsor David Holmberg on OpenSponsorship by creating a free account, browsing David Holmberg'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.

David Holmberg 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 David Holmberg 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, David Holmberg's audience includes based in Chicago, Illinois, United States. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

news article image

Highmark CEO’s pledge to leave Pittsburgh better off than when he arrived - Washington Examiner

April 17, 2026

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Highmark Health CEO: How New Models Can Transform Health Care - WSJ

April 10, 2026

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UPMC, Highmark pledge $45 million to upgrade Pittsburgh's aging fleet of public safety vehicles - Pittsburgh Post-Gazette

June 25, 2026

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How UPMC, Highmark Health CEOs got together for more than just a photo op - The Business Journals

June 25, 2026

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Judith Walsh Obituary - Oak Lawn, IL - Dignity Memorial

May 16, 2026

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Leadership changes coming at Allegheny Conference as CEO plans exit, next chair named - The Business Journals

May 20, 2026

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