tenants of the building's 26 floors of office space. At the time, potential tenants included financial restructuring specialists Duff & Phelps, private equity firm Hatton Corporation, and the South Hook Liquefied Natural Gas Company. The Shard's fourth, fifth, and sixth floors host the HCA (Hospital Corporations of America), part of London Bridge Hospital. The Shard's 31st, 32nd, and 33rd floors host three restaurants: Oblix, Hutong, and Aqua Shard. The building's Shangri-La Hotel occupies floors 34–52. The hotel was initially expected to open by the end of 2013, but its opening was ultimately delayed to 6 May 2014. In March 2014, Mathys & Squire became the first law firm to take tenancy in the building. In May 2014, the Foresight Group, an investment firm, moved its head UK office into The Shard on the 17th floor. In June 2015, Warwick Business School opened its new base in The Shard, occupying the same floor and was officially opened by the mayor of London, Boris Johnson. It houses a 100-seat lecture theatre and a smaller one at 60 seats, plus 8 seminar rooms and an IT lab, offering postgraduate and executive education. In July 2013, the Qatari broadcaster Al Jazeera Media Network announced that it would open a new television studio and newsroom for Al Jazeera English in The Shard. Al Jazeera moved in on 13 September 2014; its first live broadcast from the building was on 10 November 2014. The facility currently houses all primary operations for Al Jazeera Media Network's channels in London; it is capable of running an entire channel independent from Al Jazeera's other hubs, and is the network's second-biggest hub after its facility in Doha, Qatar. In January 2015, further tenants for The Shard were announced, including IO Oil & Gas Consulting, Gallup, and The Office Group. In May 2015, the American recruitment consultancy Robert Half International announced that it would move several branches of its business into The Shard, having purchased of floor space on the tower's tenth floor. In August 2015, the international law firm Greenberg Traurig announced that it would open its offices on the eighth floor of The Shard by the end of the year. Matches Fashion took over 35,000 sq ft in January 2016, and six months later expanded its headquarter's presence in The Shard by 40%. In March 2016, marketing agency Jellyfish signed a lease for of office space on the 22nd