Greenberg Traurig LLP added Andrew N. Hamm as a shareholder to the firm’s Real Estate Practice in Chicago. He was previously a partner at Katten Muchin Rosenman LLP.Hamm represents owners, sponsors, private equity firms, institutional lenders, REITs, and other clients across a broad range of real estate asset classes, regularly advising real estate developers in the preparation and negotiation of construction, design and development agreements.• Christensen Hsu Sipes LLP promoted David M. Albaugh and Brian H …