Marc Weller

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Marc Weller


Marc Weller is a senior real estate executive with over 20 years of experience developing and building residential, commercial, and mixed-use real estate development projects.

In 2013, Mr. Weller and Under Armour Founder, Chairman and CEO, Kevin Plank, founded Sagamore Development Company—a full-service real estate company with expertise in acquisitions, development, leasing, construction management and property management.

Before founding Sagamore Development, Mr. Weller owned and operated Denning, LLC, a mixed-use development enterprise, from 2008 through 2013. While at Denning, Mr. Weller constructed market-rate and affordable residential units in urban, mixed-use development projects. As Founding Partner and President, Mr. Weller developed housing units in the Washington, DC area, with partners including JBG Companies, Lowe Enterprises, Perry Real Estate Capital, NFAHS, Urban Matters, and the District of Columbia.

Prior to his time at Denning, LLC, from 2000 to 2008, Mr. Weller founded and operated Ellis Denning Construction and Development, a full-service development and construction company specializing in multifamily and mixed-used projects. As Founding Partner and President, he developed and constructed thousands of residential units in Washington, DC and surrounding suburbs, as well as a variety of mixed-use projects.


Sagamore Projects
Sagamore Pendry Hotel
Sagamore Spirit Whiskey Distillery and Adjacent Restaurant
3150 M Street, NW: Georgetown, Washington, DC
City Garage
UA House at Fayette

Fort Totten Square – Washington, DC, 430,000 SF

Beginning in 2004, Mr. Weller assembled 9 acres of underutilized industrial land and buildings in Northeast Washington, DC to develop a multi-phased, mixed-use project at the northeast corner of South Dakota Avenue and Riggs Road. The project was a joint venture partnership with Lowe Enterprises and JBG. The project involved the purchase of land from the District of Columbia government and the reconfiguration of several roads and intersections to facilitate construction.

Mr. Weller solely acquired and assisted in guiding the first phase of the project to completion including 430,000 SF with a total cost of $80 million. The mix of uses in Phase I included:

350 apartment units
130,000 SF urban-format Walmart
740 underground parking spaces

Phase II is planned under new leadership as 260 apartment units and Phase III is planned for an additional 260 units.