AMB Sports and Entertainment has announced the retirement of Chief Operating Officer Dietmar Exler, which leads to the promotion of key leaders into new roles. Exler’s successor as COO will be Tameka Rish.
Exler will retire from the organization effective Aug. 14, 2026, following an “exceptional tenure marked by operational excellence, major event leadership and meaningful contributions across the Blank Family of Businesses” as the AMBSE stated. Exler has served as chief operating officer of AMBSE since July 2019, with primary responsibility for operating Mercedes-Benz Stadium (MBS). At the end of 2020, he also assumed the role of CEO for the Arthur M. Blank Family Office, serving in that capacity until August 2025.
“Over seven remarkable years, Dietmar has embodied the very best of our values through servant leadership, operational excellence and an unwavering commitment to our people,” said Arthur M. Blank, owner and chairman, Blank Family of Businesses. “His vision, integrity and pursuit of excellence have shaped some of the most defining moments in our organization’s history, while his genuine care for others has strengthened our culture in lasting ways. His leadership and legacy will continue to inspire our family of businesses for years to come.”
Tameka Rish Image: AMB Sports and Entertainment
AMBSE will now realign operational responsibilities, “positioning the organization for continued success in its current operations and future growth plans”. Tameka Rish has been elevated to executive vice president, chief operating officer of AMBSE. Rish, a 21-year veteran of AMB Sports and Entertainment, will now add stadium operations and food and beverage to her current responsibilities. Serving in various roles across the AMBSE portfolio, Rish began her career in corporate partnerships for the Atlanta Falcons, and then later led the team that developed and maintained corporate partnerships for Mercedes-Benz Stadium, the Atlanta Falcons, and Atlanta United. She also successfully led operations and fan experience at Mercedes-Benz Stadium, including major events, live events, and game presentation, including Atlanta United and the Atlanta Falcons.
Doug Roberts Image: AMB Sports and Entertainment
Doug Roberts will become the senior vice president, stadium revenue and events. Roberts will now assume additional responsibility for executing major events, bringing together the full lifecycle of Stadium events from sales to booking to event execution. In his past roles, Roberts was responsible for leading premium sales for the Atlanta Falcons, Atlanta United and Mercedes-Benz Stadium, booking third-party events and architecting sales agreements with entities such as the NCAA, SEC, NFL, Concacaf, Premier League, Live Nation and AEG. Prior to joining Mercedes-Benz Stadium, Roberts managed suite sales for Levi’s Stadium, Legends Global Sales, and the Cleveland Cavaliers.
Joe Coomer Image: AMB Sports and Entertainment
Joe Coomer will be promoted to senior vice president, security and guest experience. He oversees security for the Atlanta Falcons and Atlanta United, as well as guest experience for Mercedes-Benz Stadium, bringing together two critical functions that shape the fan and guest experience. He currently serves as Vice Chair of the NFL Stadium Security Committee, sits on the MLS Security Advisory Committee, and has advised major international events, including preparations for the 2022 FIFA World Cup in Qatar.
Rish, Roberts and Coomer will all report to AMBSE President, Tim Zulawski. “These leadership changes reflect the depth of talent across AMBSE and our commitment to creating opportunities for proven leaders to grow,” said Zulawski. “Tameka, Doug and Joe each bring strong experience, trusted leadership and a deep commitment to our associates, fans, guests and partners. We are excited for the impact they will continue to make in these expanded roles.” (stadiaworld, 24.07.2026)
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‘ Some details of this article were extracted from the following source www.stadiaworld.com ’
