Nixon Peabody has added Sami Groff as partner and Mark Mustian as counsel to the firm's environmental team. They both join from Meltzer Lippe Goldstein & Breitstone. The firm has also hired public finance tax attorney John Hutchinson as a partner. He was formerly with Squire Patton Boggs. In addition, partner Virginia Wong has been selected to lead the firm's project finance & public finance practice.