Lewis Brisbois added Michael Gnesin to its Chicago and Fort Lauderdale, Florida, offices as a partner in the firm’s corporate, mergers and acquisitions, and securities and corporate finance practices.Gnesin has represented individuals as well as domestic and international corporate clients in hundreds of commercial transactions of all sizes. Gnesin concentrates his practice in corporate law, banking and finance, employment law and commercial real estate law.• Lavelle Law hired Joseph O. Upchurch. He will work …