Jared Kushner is an American businessman, investor and political operative. He is principal owner of the real estate holding and development company Kushner Companies and Observer Media, publisher of the weekly New York Observer. Kushner is the son of American real estate developer Charles Kushner and is married to Ivanka Trump, the daughter of President-elect of the United States Donald Trump. He was among the senior advisors of Trump's presidential campaign, and developed Trump's digital media strategy. In 2007, his father's company, Kushner Companies, made the most expensive single-building property purchase in US history, acquiring 666 Fifth Avenue. In 2011, Kushner brought in Vornado Realty Trust as a 50% equity partner in the ownership of the building.