Russell Gimelstob
Founder and Chief Executive Officer

Prior to founding Ascendant Capital Partners, Russell Gimelstob was Head of Acquisitions, Partner, Managing Director and Member of the Investment Committee of Dune Real Estate Partners, a manager of real estate private equity funds. Russell previously represented Ascendant on the board of Watermark Lodging Trust.

Alex Halpern
Co-Founder, Co-President, and Chief Investment Officer

Alex Halpern is responsible for the oversight of Ascendant's investment activities, as well as the day-to-day management of the platform's hospitality, and select residential investments. Alex represented Ascendant on the board of Watermark Lodging Trust, is an active board member of Sentral, and is a board observer of DC Blox.

Eric Calder
Co-Founder, Co-President, and Chief Operating Officer

Prior to joining Ascendant Capital Partners, Eric Calder was the Co-Chief Investment Officer of Dune Real Estate Partners, a New York City-based real estate investment firm. At Dune, he was a member of the firm’s Investment Committee and led over $6 billion in transactions across the residential, retail, industrial, office and hospitality sectors.

Ascendant has put together a world-class team of diverse individuals, each with an impressive background and knowledge base. Through close collaboration, we are able to continue to expand our services into new markets and locations across the globe.

Jantzen Michel
Associate, Operations & Asset Management

Jantzen Michel joined Ascendant Capital Partners in 2025 as an Associate and is responsible for helping lead hospitality operations and business-plan execution across Ascendant's growing portfolio of owned hotels. Prior to joining Ascendant, Jantzen served as Senior Associate, Asset Management at Ashford Inc., the external advisor to Ashford Hospitality Trust and Braemar Hotels and Resorts. At Ashford Jantzen oversaw a portfolio of 47 hotels totaling approximately $1.8 billion in assets under management and generating over $600 million in annual revenue. Jantzen holds a BS degree in Petroleum Engineering and a MS degree in Finance from Texas Tech University.