In his 2018 annual open letter to CEOs, he called for corporations to play an active role in improving the environment, working to better their communities, and increasing the diversity of their workforces. This has been taken as evidence of a move by BlackRock, one of the largest public investors, to proactively enforce these targets. In his 2019 open letter Fink said that companies and their CEOs must step into a leadership vacuum to tackle social and political issues when governments fail to address these issues.