Sean Reardon is the Chief Executive Officer of Epsilon. Sean has held the CEO seat since November 2025, and was previously CEO, Media - Americas at dentsu.
Current company
Epsilon
Epsilon is a global leader in data and identity with deep expertise in digital media, clean rooms, customer data platforms, loyalty and marketing services.
Advertising ServicesHeadquartered in IrvingPrivate company
Source: Epsilon on LinkedInSean Reardon has been CEO of Epsilon since November 2025. Before Epsilon, Sean was CEO, Media - Americas at dentsu from January 2024 until June 2025.
Career
Sources: LinkedIn profile
400 decision makers at Epsilon in Unify, vice president level and above. Choose a function to see who leads it.
Top decision makers at Epsilon
Vice president level and above, most senior firstSean Reardon leads a leadership team of 12 published executives.
Most senior 5 of 12
| Name | Title | In seat since |
|---|---|---|
| Sean Reardon | Chief Executive Officer | November 2025 |
| Brian Hopkins | Chief Business Officer | Not stated |
| Myron Sojka | Chief Technology Officer | Not stated |
| Chris Wissing | Chief Product Officer | Not stated |
| Kate Sirkin | Chief Data Officer | Not stated |
Sources: Epsilon leadership page
Sean Reardon is the Chief Executive Officer of Epsilon. Sean has held the CEO seat since November 2025, and was previously CEO, Media - Americas at dentsu.
Sean Reardon has been CEO of Epsilon since November 2025, according to LinkedIn profile.
Sean Reardon was CEO, Media - Americas at dentsu from January 2024 until June 2025, according to LinkedIn profile.
Sean Reardon has been CEO of Epsilon for 10 months, since November 2025.
Brian Hopkins (Chief Business Officer), Myron Sojka (Chief Technology Officer), Chris Wissing (Chief Product Officer), Kate Sirkin (Chief Data Officer), and 7 more. Source: Epsilon leadership page.
The seat holder is identified in Unify's professional profile dataset, then confirmed against the company's published leadership page, its SEC filings, and Wikipedia before publication. Career and education rows carry the public document they were taken from. Leadership team membership follows the company's own leadership page; in-seat dates come from filings where available and otherwise from the profile record. Company figures are read from the Unify headcount page for the same company and are profile coverage measures, never company-reported workforce totals. The employee preview lists vice president and senior vice president level profiles by department. No personal contact details are published.
