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Sage Hospitality Group Announces Organizational Changes

Promotions include Jason Altberger to Chief Financial Officer and Dean Stambules to Senior Vice President Acquisitions & Business Development

Sage Hospitality Group announced a series of promotions and organizational changes that will allow the company to enhance its financial services, streamline growth efforts and leverage meaningful opportunities for operational effectiveness and alignment. These announcements include the promotion of Jason Altberger to Chief Financial Officer for Sage Hospitality Group, the upcoming retirement of Ken Widmaier, the promotion of Dean Stambules to Senior Vice President Acquisitions & Business Development for Sage Investments and the streamlining of the company’s Business Development and Finance/Accounting services.

“As we continue to strengthen the foundations on which Sage was built, we are taking the opportunity to ensure that we are best positioned for future growth and success,” said Walter Isenberg, president and CEO of Sage Hospitality Group. “These changes reflect our desire to reaffirm our position as a best-in-class organization in the hospitality industry. Both Jason and Dean have established themselves as key leaders within Sage, and I look forward to their continued growth and contributions to the company. We also thank Ken for his many years of service and numerous contributions to the success of Sage.”

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Jason Altberger

Promotion of Jason Altberger to Chief Financial Officer

Jason Altberger has been promoted to Chief Financial Officer for Sage Hospitality Group while maintaining his role as President of Sage Investments. Altberger joined Sage in 2018 as Chief Investment Officer, where he has been focused on Sage’s growth in the real estate investment sector. In his new role, Altberger will continue to guide Sage’s investment efforts, while taking on the new responsibility of managing all financial actions across the entire organization.

Under Altberger’s leadership, Sage has created a shared services structure for finance and accounting across the enterprise that will serve each of its four companies: Sage Hotel Management, Sage Restaurant Concepts, Sage Investments and Sage Studios. In this new structure, all finance leaders, along with both the Corporate and Hotel & Restaurant accounting teams, will be led by Altberger.


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Ken Widmaier

Retirement of Ken Widmaier

After more than 8 years of service to Sage, Ken Widmaier will officially retire as of Nov. 5, 2021. An accomplished industry veteran with more than 30 years’ experience in hospitality, Widmaier has been a tremendous leader as both Chief Operating Officer and Executive Vice President of Growth for Sage Hotel Management. He has played an instrumental role in helping the company meet its goals of having a portfolio of assets that is reflective of the long-term vision for Sage.

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Dean Stambules

Promotion of Dean Stambules

Sage has also consolidated all its business development efforts within Sage Investments. Dean Stambules has been promoted to Senior Vice President Acquisitions & Business Development and assumed responsibility for growing the company’s third-party management business while maintaining his responsibilities for seeking attractive investment opportunities. Since joining Sage in 2014, Stambules has been an integral part of the company’s acquisition team, where he has played a key role in nearly all of Sage’s new business-related acquisitions, developments and third-party management contracts. The Business Development team from Sage Hotel Management, including Gavin Roster, Dexter Tom and Raina Taillon, will move to Sage Investments under Stambules’ leadership.

To learn more about Sage Hospitality Group’s companies and their growing portfolio of hotels and restaurants, visit

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