Our Company 
CMP officers

Executive Officers of Central Maine Power Company

Douglas Herling 
President and Chief Executive Officer
Central Maine Power

Joined CMP in 1985, and has held various executive management positions at Avangrid Networks and CMP, including Vice President, Special Projects (2010-2016), Vice president, Engineering & Asset Management (2009-2010), and Vice President of CMP Field Operations (2001-2009).

In 2016, Doug was appointed to the role of Vice President, Electric Operations. In this position, he was responsible for all Electric Operations in Connecticut, Maine, and New York.

Doug earned his Bachelor of Science degree in Marine Engineering from the Maine Maritime Academy.



Justin P. Atkins
Corporate Secretary
Central Maine Power

Serves as Secretary of the Board of Directors of Central Maine Power. He has served as Counsel to Avangrid Networks companies since 2014. Before joining Avangrid Networks, Mr. Atkins was in private practice as an attorney at Pierce Atwood, LLP, and served as Law Clerk in the Office of the General Counsel at the U.S. Department of Energy. Mr. Atkins earned his Juris Doctor from the Washington University School of Law, and a Bachelor of Arts in History from Newman University. He has a broad practice, including experience in regulatory, contract, corporate governance, privacy and security matters.



Mary E. Nowack-Cowan
Vice President - Customer Service
Central Maine Power

Has served as Vice President of Customer Service of CMP since April 2008. 

Over a 20-year career with CMP she has served in a variety of manager and executive roles in marketing and sales. 

Prior to joining CMP, Ms. Nowack Cowan worked for Bain and Company as a management consultant serving Fortune 500 clients. 

Magna cum laude graduate from Tufts University and an MBA from Harvard University.



Eric N. Stinneford
Vice President, Controller, Treasurer & Clerk
Central Maine Power Company

Responsible for executive and administrative functions, including regulatory relations and electric supply in addition to the corporate functions of controller, treasurer and clerk.

Joined CMP as an operating assistant in 1981. Has held various management and executive roles in billing, marketing, energy trading and electric supply. Has also served in  numerous leadership positions in the New England Power Pool (NEPOOL) regional organization during his 33-year career.

Stinneford is a director of Maine Electric Power Company and the Kennebec Valley Chamber of Commerce. He is also a commissioner of the Maine Consensus Economic Forecasting Commission. He served as a director of Vermont Yankee Nuclear Power Corporation.

Graduate of Colby College.