Alliance Residential Company Announces Leadership Promotions
Tuesday, January 27th, 2026
Alliance Residential Company is proud to announce the promotion of Donald Santos to Senior Managing Director, focused on growing key Eastern US markets. In addition, Carter Brehm,Andrew Howe, and Stephen Keller are our newest Managing Directors to support and accelerate the company’s growth in the Southeast and Mid-Atlantic markets. We congratulate all of these leaders on their deserved promotions, and look forward to their continued success.
"Our strategic plan is to continue to expand our opportunities on the East Coast. These promotions reflect our commitment to that strategy and allow us to have greater market coverage and presence in key East Coast markets," said Jay Hiemenz, Chairman and CEO of Alliance. "As we continue to scale in the East, these leaders will be instrumental in driving growth and ensuring our development projects remain best-in-class.”
“Donald is one of our most successful divisional leaders”, said Brian Austin, Chief Operating Officer – East. “His success at Alliance since 2015 makes him a natural to assume a broader leadership role in the company. We know he’ll draw on his experience and continue his past success to do great things in his expanded role.”
As Managing Directors, Brehm will oversee the Georgia region, Howe will oversee the Mid-Atlantic, and Keller will oversee the Tennessee region.
"Our success across the Southeast and Mid-Atlantic has always been built on strong local leadership and deep market knowledge," said Santos. "Carter, Andrew, and Stephen understand their markets intimately and have proven their ability to identify opportunities and execute at the highest level. By strengthening our leadership in these key regions, we're positioning Alliance to respond more effectively to local market dynamics while maintaining the operational excellence and strategic vision that define our approach to development."
Since joining Alliance in 2021, Brehm has played an instrumental role in sourcing more than 2,500 multifamily units, representing over $600 million in total capitalization, including The Clara by Broadstone, The Weldon by Broadstone, Prose Cartersville, and newly under construction Broadstone Innovation. Prior to joining Alliance, Brehm advised on the disposition of more than $1 billion in multifamily assets at Colliers International. As a graduate from The University of Alabama, where he earned a bachelor’s degree in marketing with a concentration in real estate, Brehm is a member of the Atlanta Young Multifamily Professionals (AYMFP).
Since joining Alliance in 2018, Howe has sourced more than 5,600 multifamily units across the Carolinas, including the recently completed Broadstone West End, and newly under construction Broadstone Point Hope and Broadstone RTP. His leadership has been central to expanding Alliance's development footprint throughout the region and strengthening the firm's pipeline in key growth markets. Prior to joining Alliance, Howe advised on the marketing and disposition of more than $7 billion in multifamily assets at ARA Newmark across North and South Carolina. Howe graduated from Roanoke College, where he earned a Bachelor of Business Administration with concentrations in finance and marketing.
Since joining Alliance in 2019, Keller has delivered more than 2,000 multifamily units in Southeast markets, including recently completed Broadstone Berry Hill. Prior to joining Alliance, Keller was part of the Debt and Structured Finance team at CBRE, where he helped source over $400 million in debt and equity for multifamily, office, and industrial products across the Southeast. Keller graduated from The University of Alabama, where he earned a Bachelor of Business Administration in finance with a concentration in real estate.


