Horizon Lighting & Energy Services (HLES) Quincy, Mass.: Jenifer Parke is now part of Horizon Solutions' Lighting and Energy Services team as business development manager in upstate New York. She has an extensive background in the lighting and energy-efficiency business, and will work with new and existing customers to design and implement energy-efficient systems that will generate the greatest return on investment for customers' efficiency projects. She has previous experience in account management for a factory-direct lighting manufacturer; specification design with architects and engineers; account management for distributor sales; and most recently sales management at a national energy-efficiency company. She will be based out of Horizon Solutions' Rochester, N.Y., office.