Mel Engle has been named CEO of ultrashort-pulse (USP) laser maker Raydiance Inc., of Petaluma, Calif., He succeeds company founder Barry Schuler, who is now executive chairman of the board, the company announced today. The changes were effective May 5. Engle was formerly president and CEO of the Merck KGaA subsidiary Dey LP, a Napa-based specialty pharmaceutical company developing products for respiratory, allergy and other breathing disorders. While CEO of Dey LP, Engle was regional director, North America, for Merck Generics Group and was a member of the Merck Generics Executive Management Committee (EMC). Previously, he was a senior executive with Allergan Inc. In 2007, he was named Citizen of the Year by the Napa Chamber of Commerce and the State of California. (See also: Raydiance: Welcome to the 'Light Age')