Gary Mar: A 49-year-old, Calgary-born health minister under former premier Ralph Klein. He quit as a politician when Ed Stelmach took over as premier to serve as Alberta's envoy in Washington, a post he left to run for the leadership. He promises a new era of growth, diversity of industry, new markets in Asia and transparent government.
Doug Horner: A 50-year-old former businessman who left his post as deputy premier and minister of advanced education to run. Represents Spruce Grove-Sturgeon-St. Albert. His family political pedigree dates back three generations. He has urged Albertans to dream big and to put more money into research and innovation funds to grow and diversify the province.
Alison Redford: A 46-year-old lawyer, human rights activist and former justice minister. She has promised to turn Alberta into a global hub for energy research and to reform health care from within. Stelmach has suggested she's a political turncoat for demanding a full independent inquiry into allegations that politicians were helping a favoured few get faster health treatment. Represents Calgary-Elbow.