Maher is winner of the 2009 Gold Medal and a Life Fellow of the Institute.

He is also a Fellow of the Australian Institute of Landscape Architects (AILA).

Maher is currently chairman of Hassell as well as chair of the City of Sydney Design Advisory Panel. He is also a member of Sydney Opera House Eminent Architects Panel and a board member of the Co-operative Research Centre for Low Carbon Living.

In February 2015, he took up the position of president at the Australian Sustainable Built Environment Council.

Maher speaks regularly at conferences, public forums, and advises Australian and international governments on design, sustainability and the future of cities.

The National Council also elected Helen Lockhead as Hon Secretary and Richard Kirk as Hon Treasurer.