Robert Jeremy Goltho Grantham CBE is a British investor and co-founder and chief investment strategist of GMO LLC, a Boston-based asset management firm. GMO had more than US$118 billion in assets under management as of March 2015. This number dropped to $65 billion in as of December 2020. He has been a vocal critic of various governmental responses to the financial crisis of 2007–2010. Grantham started one of the world's first index funds in the early 1970s.
In 2011, he was included in the 50 Most Influential ranking of Bloomberg Markets magazine. From Wikipedia