Becker Drapkin Management L.P. said Monday it has appointed its co-founder and partner Steven R. Becker and Navarare Corp. CEO Richard S. Willis to the retail company's board effective immediately. The hedge fund, which owns 5.7 percent of Tuesday Morning shares, has control of two more seats. One will likely be a new chief executive officer. Becker is chairing the board's nominating and governance committee and so will be leading the search. Blackstone Group Expands its Advisory Unit (HedgeFund) New York-based hedge fund and private equity firm Blackstone Group has expanded its investment advisory division through the appointment of a senior executive. As the senior managing director, Jan Weidner will be based in Germany and will be responsible for the German-speaking franchise for Blackstone Advisory Partners, according to a company statement.