Each philanthropic cause has its own special challenges. Here we talk to fundraising pros for a behind-the-scenes look at a variety of missions and organizations.

By Margaret Battistelli Gardner

Mark Crozet is the senior vice president of development for Habitat for Humanity International, the Americus, Ga.-based home-building organization that counts the Christian faith as its backbone. Recent natural disasters that have left thousands of people homeless throughout the world have helped focus international attention on Habitat and its work.