Question: Who leads the corporation that the Waldorf Astoria Amsterdam is now part of?
Context: Sidney Schutte is a Dutch Chef.  He fulfils the position of Executive Chef in the Waldorf Astoria Amsterdam and its fine dining restaurant Librije's Zusje.  Whilst under the reign of Schutte, after only seven months of opening, Librije's Zusje Amsterdam was awarded (2014) with two prestigious Michelin stars, (2017) the restaurant received a score of 18 GaultMillau points.  Sidney was also recognized as Chef of the year 2017 by Gault&Millau. Hilton Worldwide Holdings Inc., formerly Hilton Hotels Corporation, is an American multinational hospitality company that manages and franchises a broad portfolio of hotels and resorts.  Founded by Conrad Hilton in 1919, the corporation is now led by Christopher J. Nassetta. Waldorf Astoria Amsterdam is a five-star luxury hotel in Amsterdam, part of Hilton Worldwide. The Waldorf Astoria New York is a luxury hotel in Manhattan, New York City.  The hotel has been housed in two historic landmark buildings in New York.  The first, bearing the same name, was built in two stages, as the Waldorf Hotel and the Astoria Hotel, which accounts for its dual name.  That original site was situated on Astor family properties along Fifth Avenue, opened in 1893, and designed by Henry J. Hardenbergh.  It was demolished in 1929 to make way for the construction of the Empire State Building.  The present building, at 301 Park Avenue between 49th and 50th Streets in Midtown Manhattan, is a 47-story 190.5 m Art Deco landmark designed by architects Schultze and Weaver, which was completed in 1931.  The current hotel was the world's tallest hotel from 1931 until 1963, when it was surpassed by Moscow's Hotel Ukraina by 7 m .  An icon of glamour and luxury, the current Waldorf Astoria is one of the world's most prestigious and best known hotels.  Waldorf Astoria Hotels and Resorts is a division of Hilton Hotels, and a portfolio of high-end properties around the world, now operate under the name, including New York. The Waldorf–Astoria Orchestra was an orchestra that played primarily at the Waldorf Astoria Hotel, both the old and new locations.  In addition to providing dinner music at the famous hotel, the orchestra made over 300 recordings and many radio broadcasts.  It was established in the 1890s, and was directed by Joseph Knecht, at least from 1908 to 1925, later by Jack Denny and others, and then Xavier Cugat from approximately 1933 to 1949. Claudius Charles Philippe, also known as Philippe of the Waldorf or The Host of the Waldorf, (10 December 1910—24 December 1978) was a British-born French-American restaurateur, catering director, hotelier and businessman, who was the hotel banquet manager of the prestigious Waldorf Astoria New York hotel in the 1940s and 1950s.  From 1961 until 1963 he worked as executive vice president of Loews Hotels, and was responsible for the planning and building of six new New York hotels. The Waldorf–Astoria originated as two hotels, built side-by-side by feuding relatives on Fifth Avenue in Manhattan.  Built in 1893 and expanded in 1897, the Waldorf–Astoria was razed in 1929 to make way for construction of the Empire State Building.  Its successor, the current Waldorf Astoria New York, was built on Park Avenue in 1931. Restaurant Librije's Zusje is a restaurant located in the Waldorf Astoria hotel in Amsterdam, Netherlands.  It is a fine dining restaurant that is awarded two Michelin star for 2015. John Doherty (born circa 1958) is a prominent chef, who served as the executive chef of the Waldorf Astoria hotel in New York City for 23 years, leaving in 2009.  He had served at the Waldorf for an entirety of 30 years, and became executive chef of the Waldorf in 1985 at the age of 27, the youngest person ever to be named to the position.  He graduated from the Culinary Institute of America in 1978, where he was voted "most likely to succeed". The Waldorf Astoria Shanghai on the Bund is a hotel located at 2 Zhongshan East 1st Road, along The Bund, in Shanghai's Huangpu District, in China.  Part of the Waldorf Astoria Hotels & Resorts chain, the hotel is housed within the Shanghai Club Building.
Answer: Christopher J. Nassetta