April 8, 2013 – Global executive search firm Egon Zehnder has made key leadership changes in its practices' and office management. Tom Reynolds, formerly head of the firm's North American industrial practice, the firm's largest practice area, now assumes the helm of the newly formed global supply chain practice. Mr. Reynolds, based in Atlanta, will spearhead senior-level executive search and management assessment efforts worldwide for global supply chain officers. Assuming the role of North American industrial practice group leader is Lisa Blais, a consultant in the firm's Boston office. Christoph Lueneburger, formerly North American private equity practice leader, now assumes leadership of the firm's global private equity practice. Sean McClenaghan has been named office leader for the firm's Atlanta office, taking over for German Herrera. Founded in 1964, Egon Zehnder has 400 consultants, operating from 66 offices in 40 countries.