Italian lighting manufacturer Leucos has appointed Megan Carroll to the position of business development manager for the company's brands distributed in North America --Leucos, Lumina, and Andromeda; New York-based manufacturer of theatrical and architectural lighting fixtures Altman Lighting has announced the extended leave of absence of Teddy Van Bemmel, the company's southeastern regional sales manager. In the interim his accounts will be covered by Mike Tucker, Gary Raymond Leonard, Mark Walsh, and Russell Altman.