Rainbow Media Holdings has elevated Steven J. Pontillo to senior VP and general manager of Rainbow Network Communications. Pontillo will report to Michael Dispaquale, senior veep of operations. Pontillo will be responsible for the management of RNC and will provide technical guidance to Rainbow programming entities. He has been with the company for 20 years. Rainbow also has upped Thomas Greco to veep of business development. Greco, who joined the company in 1983, will report to Pontillo.