Amid protests over the fatal arrest of George Floyd, an unarmed black man in Minneapolis, the chief executives of several public companies have spoken out against police violence, racism and other injustices.

“No organization is immune from the challenges posed by racial bias,” BlackRock CEO Larry Fink wrote on LinkedIn Saturday. “As a firm committed to racial equality, we must also consider where racial disparity exists in our own organizations and not tolerate our shortcomings.”