 Paul Fireman (former CEO of Reebok), Peter Block, leadership expert Warren Bennis, and economist Michael C. Jensen, spoke positively of Erhard's impact on their own performance.David Logan, an associate professor of business at the University of Southern California said, "Werner's thinking – I don't know any nice way of saying it – is just out there in the world.You can't do a Master's Degree in organizational development or human resources without picking up some of it.