He is also a director for NYSE - listed United Rentals , Inc. and sits on the board for many non-profits .
He is currently chairman of NASDAQ - listed Pacific DataVision , Inc. , provider of mobile workforce management solutions .
chairman is also a chairman for NYSE - listed United Rentals , Inc. and sits on the board for many non-profits .
He is currently chairman of NASDAQ - listed Pacific DataVision , Inc. , provider of mobile workforce management solutions .