Read the text and determine if the sentence is true:

Daniel Kaufmann is the president and CEO of the Natural Resource Governance Institute, formerly the Revenue Watch Institute - Natural Resource Charter. Previously, he was a senior fellow at the Brookings Institution. He remains a nonresident senior fellow at Brookings. Prior to that, he was a director at the World Bank Institute, leading work on governance and anti-corruption.

Sentence: Daniel Kaufmann has been very effective as the president and CEO of the Natural Resource Governance Institute. 
It's impossible to say