AdCellerant Appointed Allen Klosowski as COO
The Denver-based digital marketing firm has named the former Epsilon executive to lead its operations.
Updated on Sept. 21, 2026 in People
AdCellerant has appointed Allen Klosowski to the role of Chief Operating Officer. Klosowski arrives at the Denver company with a background that includes leadership positions at Epsilon and Amazon.
Why it matters
The appointment emphasizes the firm's strategic commitment to expanding its AI-driven advertising technology and digital marketing services. This leadership change aligns with the company's recent focus on automated marketing tools.
AdCellerant has spent 13 years developing its proprietary advertising platform. The company also recently introduced an AI Media Planner within its Ui.Marketing suite.
The players
Allen Klosowski
He is the newly appointed Chief Operating Officer of AdCellerant who previously held senior leadership roles at Amazon and Epsilon.
Shelby Carson
The former Chief Operating Officer of AdCellerant is transitioning to a role as a member of the company's board of directors.
AdCellerant
This Denver-based company specializes in digital marketing and advertising technology solutions.
The details
In his new role, Allen Klosowski is tasked with overseeing operational strategy, product innovation, and customer operations. He succeeds Shelby Carson, who will transition to a position on the AdCellerant board of directors.
Timeline
AdCellerant has spent the past 13 years building its advertising platform.
The firm introduced its AI Media Planner within the past year.
Market Landscape
The appointment signals a pivot toward technical leadership as firms scramble to integrate AI-driven ad-tech tools into their service offerings. This shift highlights the growing competition between digital agencies to automate client media planning.
Customers can expect a continued emphasis on automated media planning tools as the firm integrates new operational strategies. The leadership change is intended to streamline how clients interact with the company's digital advertising platforms.
The takeaway
The move underscores how established digital agencies are prioritizing executive experience in automation to remain competitive in a rapidly evolving market. Clients should monitor the development of new AI-driven product features as the company shifts its operational strategy.
Further reading
For more on industry leadership trends, visit the People section.
Source note: This article includes information reported by MediaPost.
