Dreamer Doer hires Sean Callahan as VP of business development and partnerships

Dreamer Doer has named agency veteran Sean Callahan vice president of business development and partnerships, effective Oct. 19, 2026. The hire adds a 25-year growth leader as the New York-based agency looks to deepen client relationships and expand strategic partnerships across experiential, digital and influencer marketing.

Why it matters: - Dreamer Doer is betting on senior business development leadership as brands demand more measurable marketing outcomes and more meaningful audience connections. - Sean Callahan brings agency-side relationships and category experience that could help Dreamer Doer win new clients and grow partnerships across its core offerings.

What happened: - Dreamer Doer appointed Sean Callahan as vice president of business development and partnerships. - Callahan started Oct. 19, 2026, and is based in Chicago. - The agency announced the hire on Oct. 28, 2026.

The details: - Callahan will lead new business development and strategic partnerships. - His remit includes connecting brands to Dreamer Doer’s brand strategy, experiential, digital and influencer marketing capabilities. - Callahan brings 25 years of experience in business development and agency growth. - His background includes roles at Jack Morton, Havas, MKG and Walton Isaacson. - Callahan has worked with brands including Audi, Nike, JetBlue, Molson Coors, Guinness, Absolut, Dove, AXE and P&G. - Dreamer Doer describes itself as a strategy-led, AI-enhanced integrated experience agency with teams in New York, Chicago and Los Angeles. - The agency says it specializes in experiential, brand strategy, digital marketing and influencer marketing. - Dreamer Doer says it helps brands break through, inspire brand devotion and make “incredible things happen.”

Between the lines: - The hire comes as AI makes content cheaper to produce but also adds to the noise brands must cut through. - Dreamer Doer is positioning itself around trust, community and live audience experience rather than volume of content alone. - Founder Andres Toro said meaningful growth starts with listening, asking the right questions and understanding a brand’s goals. - Callahan said the agency’s mix of strategy and hands-on execution drew him to the role. - Clint Washington, Dreamer Doer’s head of marketing, said the agency is evolving to meet changing client needs while keeping relationships at the center of brand experiences.

What's next: - Callahan will focus on opening new conversations with brands and expanding Dreamer Doer’s strategic partnerships. - Dreamer Doer is signaling a push into a “next chapter” of growth as it adapts its offer to current market demands. - The agency wants to help brands turn ambitious ideas into stronger audience connections and cultural impact.

The bottom line: - Dreamer Doer has added a seasoned growth executive to support its push for deeper client relationships and more integrated brand experiences.