Joshua Kushner (June 12, 1985) is an American entrepreneur and businessman. He is a co-founder of Vostu, the largest social gaming company in Brazil, where he serves as Chief Strategic Officer. He is also the founder and Managing Partner of Thrive Capital, an early stage venture capital fund. Kushner also serves as a Principal of Kushner Companies, a diversified real estate investment company, whose holdings include The New York Observer, a weekly Manhattan newspaper. Kushner sits on the board of the Observer Media Group. He is the son of businessman Charles Kushner and brother of businessman Jared Kushner.