The National Association of Electrical Distributors (NAED) has named Tammy Miller, CEO of Border States Electrical Supply, as the incoming chair-elect of the organization's board of directors; New York-based electrical and electronic wiring devices manufacturer Leviton has appointed Joseph Geigel to senior product/marketing manager for its integrated networks & controls residential systems group; and Selux, a multinational lighting manufacturer, has hired Thomas Mindt as its senior project manager and regional sales manager for the South American market.