AdCellerant Appointed New Chief Operating Officer
The Denver-based ad tech firm added a veteran leader to oversee its growing focus on AI-driven marketing products.
Updated on Sept. 21, 2026 in People
AdCellerant has appointed Allen Klosowski as its new Chief Operating Officer to lead product innovation and customer operations. The move marks a strategic shift as the company intensifies its focus on AI-driven advertising technology.
Why it matters
The appointment signals a pivot toward scaling operations for AdCellerant's digital marketing platform, which has expanded its capabilities with new automation tools over the last year. For operators, this highlights the industry-wide push to integrate AI directly into advertising workflows to manage client demand.
AdCellerant has spent 13 years building its advertising platform and in the past year added an AI Media Planner within its Ui.Marketing suite. The company is now aligning its leadership structure to support these specific product investments.
The players
Allen Klosowski
The new Chief Operating Officer who previously held leadership roles at Amazon and Epsilon.
Shelby Carson
The former Chief Operating Officer who now serves as a member of the board of directors.
AdCellerant
A Denver-based advertising technology firm specializing in digital marketing platforms for agencies.
The details
Klosowski joins the Denver-based firm with a background in leadership positions at Amazon and Epsilon. He is tasked with integrating product innovation with customer-facing operational strategies to streamline the company's tech stack. This transition follows the previous COO, Shelby Carson, moving into a seat on the board of directors.
Timeline
AdCellerant developed its advertising platform over the past 13 years.
The company introduced its AI Media Planner within the past year.
Market Landscape
This leadership appointment follows the rollout of AdCellerant's AI Media Planner, mirroring a broader trend of mid-market ad tech firms prioritizing executive roles specifically dedicated to AI-driven product scaling. The move is a deliberate pivot to align human capital with the technical demands of automated media buying platforms.
Operators in the ad tech space should watch how Klosowski balances operational efficiency with the platform's AI integration. Monitoring these shifts in product development can signal potential changes in the service levels or automation features available to your own marketing channels.
The takeaway
The appointment highlights the critical need for tech companies to shift their leadership focus from pure platform building to operational AI management. Business owners should look at their own tech stacks to determine if current leadership is equipped to scale newly implemented automation tools.
Further reading
For more on shifts in local executive leadership, see People.
Source note: This article includes information reported by MediaPost.
