The boss of the controversial data company Cambridge Analytica is under fire from MPs tonight. Alexander Nix is accused of making false statements when he gave evidence to parliament last month. Tonight we have new evidence, which appears to contradict Mr Nix's evidence to MPs about his company's use of the Facebook data. Andy Davies reports.

Sustainable development has been the red line in Kitty van der Heijdens'carreer. After working for the UN, she is now director at the Ministry of Foreign Affairs and ambassador for sustainable development. She will represent the Netherlands in the upcoming Rio plus 20 earth Summit in June 2012. An international conference organised by the UN 20 years after the first UN conference on sustainable development in Rio. At TEDxHaarlem Kitty van der Heijden will take us on a journey through international sustainable development conferences.

Robert J.S. "Bob" Ross is Research Professor of Sociology and the Mosakowski Institute for Public Enterprise in Clark University. The son of a teacher and a garment worker and the grandson of garment workers, Ross has cared deeply about workers and their conditions and has been learning and teaching about these matters since 1994. He is Vice-President of the Sweatfree Purchasing consortium, an organization of nineteen cities and states which are working to remove sweatshop labor from the supply chains of their public purchasing of uniforms. The author of Slaves to Fashion: Poverty and Abuse in the New Sweatshops, Ross has written extensively on the global apparel industry and labor conditions and workers’ rights in it. His writings on these and other issues have appeared in variety of professional and journalistic sources.

How can we contribute to society through our core competences? How can we have an impact beyond donating money or volunteering? Listen to Dr. Lisa Hehenberger as she talks about her own journey and the potential of venture philanthropy and get inspired to rethink the way you can use your education and expertise to have a greater impact on society. Lisa is a lecturer in Strategy Management at ESADE. She is a renowned expert on venture philanthropy and social impact investment. Lisa is a member of the European Commission's Expert Group on Social Business (GECES) and of the OECD's Social Impact Investment Expert group. Until recently, she was the Research and Policy Director of the European Venture Philanthropy Association (EVPA).