Diane Sullivan, chairman and chief executive of Caleres (ex Brown Shoe Co.), has become the chairwoman of the Two Ten Footwear Foundation, the American nonprofit organization. She takes over from Blake Kruger, chairman, CEO and president of Wolverine Worldwide. Greg Tunney, president and CEO of R.G. Barry, has been named vice chairman of the foundation, which currently has a record budget of $2.57 million for emergency assistance and scholarships, according to Footwear News.