He reportedly started the company with "the help of interns and a Polish programmer he found on Rent A Coder". By 2011, he had built the company to a staff of nearly 200. In 2011, Liebreich was the executive producer of a video short illustrating the world's ultimate shift away from fossil fuels, titled "First They Ignore You...". Liebreich is a member of numerous energy-focused industry groups, including the World Economic Forum's Global Agenda Council on the New Energy Architecture and the UN Secretary General's High Level Group on Sustainable Energy for All. Liebreich is a former member of the advisory board of the Clinton Global Initiative's Energy and Climate Change working group, the selection panel for the Zayed Future Energy Prize, Accenture's Global Energy Board and the UN Secretary General's High Level Advisory Group on Energy and Climate Change. He is also a visiting professor at London's Imperial College Energy Futures Lab, a board member for Transport for London, a member of the Advisory Panel of the INSEAD Energy Club, and an organiser of the annual ecovillage event at Les Diablerets, Switzerland. In February 2015 he wrote a piece critical of the draft UN Sustainable Development Goals, due to be adopted later in the year, suggesting instead that they be replaced by 12 alternative goals which are not overtly anti-business. Bloomberg New Energy Finance Liebreich sold his company (formerly New Energy Finance) to Bloomberg L.P. in 2009 in hopes of strengthening the company's position in the energy industry. Bloomberg L.P. Chairman Peter Grauer stated: “This acquisition is the next step in Bloomberg’s initiative to develop and promote the carbon and clean energy markets.” Since 2009, Liebreich acted as the CEO of Bloomberg New Energy Finance, where he oversaw the delivery of investment-grade information about the world's energy industry. In January 2014, Liebreich stepped down as CEO of BNEF and is now Chairman of the Advisory Board. He remains Chairman of Finance for Resilience, the open-source platform he founded in October 2013 to identify and scale up the best potential climate, clean energy, green growth or sustainability finance solutions. Politics In 2014 rumours began to circulate that Liebreich was a potential Conservative candidate for Mayor of London. In June 2014, he was reported to have higher odds of winning than better known politicians including David Lammy and George Galloway according to data from bookmaker Paddy Power. In March 2015 he