Dennis is the Founding Principal of TKF Real Estate, a private real estate investment firm founded in 2017 and focused on making direct investments with strategic equity partners in urban office and mixed-use properties in U.S. innovation centers. TKF Real Estate targets core-plus and value-add asset opportunities with repositioning, redevelopment or other value enhancement potential. Prior to launching TKF Real Estate, Dennis enjoyed a successful 20-year career at Brookfield Properties where he held numerous senior executive positions including a role as public company CEO. During his tenure as Global CEO of Brookfield’s office platform, Dennis set the strategic direction and drove the business plan for one of the largest global office, retail and residential portfolios comprising 215 properties totaling 105 million square feet across 20 major global urban centers.