Doug Herbert Performance has grown dramatically since its early days , all under his steady leadership .
To no one 's surprise , Doug Herbert has approached his own business with the same work ethic and professionalism which made him a racing champion .
Doug Herbert Performance has grown dramatically since its early days , all under Doug Herbert 's steady leadership .
To no one 's surprise , Doug Herbert has approached his own business with the same work ethic and professionalism which made him a racing champion .