Millennium Pipeline Co. LLC announced two leadership changes. Rocco D’Alessandro has been named president of the company and Stanley Brownell has been promoted to senior vice president of commercial operations. D’Alessandro has worked in the energy industry for more than 30 years and is a seasoned veteran in the natural gas business. Most recently he served as executive vice president of operations for Nicor Gas.

Brownell has more than 25 years of experience in the natural gas industry and served as vice president of business development at Millennium for the past three years. Prior to joining Millennium, he was head of market development and trading for Harken Energy.