Marklew is the Secretary of Paws for Hope and Understanding Inc, he has served for
a number of Boards including the Endeavour Foundation, the Defence Credit
Union, Union Shopper and the Queensland Council of Unions. Bill was also
appointed to the Queensland Heritage Council by the Government in Council for a
period of six years.
Prior to his retirement in December 2020, he was the Queensland State Secretary for the Community and Public Sector in Union for 20 years, which followed a career spanning 24 years in the Australian Army.
In 2020 he was recognized for his contributions to Industrial Relations and other Community Groups with the award of an Order of Australia Medal (OAM)