A whistleblower at data analytics company Cambridge Analytica says the UK firm received more than 50 million Facebook user profiles without user consent and the data was later used for political gain. CNET's Ian Sherr explains.

Professor Jeffrey Sachs has been awarded the UCD Ulysses Medal for his global contribution. He is widely considered to be one of the world’s leading experts on economic development, global macroeconomics, and the fight against poverty. His work on ending poverty, overcoming macroeconomic instability, promoting economic growth, fighting hunger and disease, and promoting sustainable environmental practices, has taken him to more than 125 countries with more than 90 percent of the world’s population.

Alex is a Professor of Finance at London Business School. Alex graduated top of his class from Oxford University and then worked for Morgan Stanley in investment banking (London) and fixed income sales and trading (NYC). After a PhD in Finance from MIT Sloan as a Fulbright Scholar, he joined Wharton, where he was granted tenure and won 14 teaching awards in six years. Alex’s research interests are in corporate finance, behavioural finance, CSR, and practical investment strategies. He has been awarded the Moskowitz Prize for Socially Responsible Investing and the FIR-PRI prize for Finance and Sustainability, and was named a Rising Star of Corporate Governance by Yale University. Alex co-led a session at the 2014 World Economic Forum in Davos, and runs a blog, “Access to Finance” (www.alexedmans.blogspot.com), that aims to make complex finance topics accessible to a general audience.