Dave has steered many of the Toronto region's most significant greenspace and city building initiatives. Before starting Park People, Dave helped guide the successful campaign for the creation of Canada’s first national park in an urban area, Rouge National Park. Dave served as senior advisor to the Premier of Ontario, playing a key leadership role in many aspects of the Ontario government’s progressive agenda, including the 1.8 million acre greenbelt. In 2016, he received the Aster Award from the Toronto Botanical Garden recognizing his contributions to greenspace. In 2017, the Canadian Urban Institute gave him the City Builder Award.