ANDREW HALLAM is a personal finance columnist and former international high school teacher. He built a million-dollar investment portfolio on a teacher's salary. He is the author of the bestselling book, Millionaire Teacher, and writes a regular finance column for Canada's national paper, The Globe and Mail. A former columnist for Canadian Business magazine, he also writes a weekly column for the U.S.-based financial services company, Assetbuilder. Andrew is a regular on TV and radio, and his website, andrewhallam.com, has become a beacon for expatriate investors around the world.