ROCHESTER, N.Y., Feb. 2 -- Don Jarvie has been named national sales manager of the Melles Griot Optics Group in Rochester, N.Y., a provider of optical components, multielement lenses and contract-manufactured electro-optic assemblies to OEM manufacturers. Jarvie was previously North American business development manager, senior product manager and sales manager at EXFO's Burleigh Division, in Victor, N.Y. Prior to that, he was sales engineer and project manager at Fresnel Optics and GCA-Tropel, respectively.