wing Wildrose Party from forming government. The 2015 election resulted in the defeat of the Progressive Conservatives after 44 years in power and the election of the first NDP government in Alberta history. The Liberals under Swann received 4% of the popular vote, less than half their result in the 2012 election. Only Swann retained his seat becoming the sole Liberal MLA elected, down from 5 Liberal seats. Advocacy Swann has advocated for many causes related to peace and development, human rights and social justice and has worked with organizations such as Physicians for Global Survival, Amnesty International, and Doctors Without Borders. Swann has been a vocal supporter of farm workers' rights and regularly campaigns for occupational health and safety laws for Alberta's agricultural sector. Swann is the current interim spokesperson for Extinction Rebellion Calgary. Electoral history 2004 Alberta general election 2008 Alberta general election 2012 Alberta general election 2015 Alberta general election References External links Biography for Dr. David Swann on the website of the Legislative Assembly of Alberta David Swann website David Swann on Alberta Liberal Party website 1949 births Alberta Liberal Party MLAs Canadian activists Canadian environmentalists Physicians from Alberta Leaders of the Alberta Liberal Party Living people Members of the United Church of Canada People from Taber, Alberta Politicians from Calgary University of Alberta alumni 21st-century Canadian politicians Canadian public health doctors Tax resisters