Advanced Technology Coatings Ltd., a UK manufacturer of thin-film-based optical filters and coatings, has appointed Ken Reay as a nonexecutive director on its board. Reay was previously CEO of JDS Uniphase (Bracknell, UK), formerly SDL Queensgate Ltd., a photonics company he cofounded in 1979. . . . Brian Hilton, president of Avnet Electronics, will retire on June 30. He will be succeeded by Andrew Bryant, president of Avnet Computer Marketing. Richard Hamada was promoted to president of Avnet Computer Marketing.