However, PureTech will likely catch greater attention due to its heavyweight board. Former Sanofi boss Chris Viehbacher took up a board seat at the company in his first role since his ousting from the French pharmaceutical firm last year and former chief executive of British publishing stalwart Pearson, Marjorie Scardino has also been named as a recent addition. The company also counts John LaMattina, the former president of research and development at Pfizer and US biotech guru Robert Langer as its co-founder.