project principals


Vineyard Wind LLC is an offshore wind development company seeking to build the first large-scale offshore wind energy project in the US, to be located 14 miles south of Martha’s Vineyard.  Vineyard Wind, based in New Bedford, Massachusetts, is 50% owned by funds of Copenhagen Infrastructure Partners and 50% by Avangrid Renewables

Avangrid Renewables is one of the nation’s largest developer / operators of wind energy projects.  Copenhagen Infrastructure Partners (CIP) manages over 5 billion Euros in clean energy investments including offshore wind, onshore wind, and offshore power transmission. The partnership of the two companies in Vineyard Wind brings extensive offshore wind expertise and substantial financial capability to developing, building, and operating wind projects offshore Massachusetts. 


project management


Lars Thaaning Pedersen, CEO, has been involved in the financing, development, construction and operation of more than 10 offshore wind farms in Europe, and he has held various executive positions at Dong Energy until 2014.

Mr. Pedersen joined CIP in 2014 and is now Co-CEO of Copenhagen Offshore Partners, a company focused on the development of offshore wind projects to suit the investment profile of infrastructure funds managed by Copenhagen Infrastructure Partners (CIP).

He is currently responsible for CIPs project development portfolio in offshore wind with a specific focus on North America and not least the Vineyard Wind project.



Erich Stephens, Chief Development Officer, has been advancing clean energy policies and renewable energy project development in the Northeast for nearly 20 years.

Prior to joining Vineyard Wind in 2009 (formerly called OffshoreMW), Erich was head of development operations for Bluewater Wind, one the first US offshore wind development companies.  Erich was also founder and executive director of People's Power & Light (PP&L), a non-profit organization promoting renewable energy, energy efficiency, energy affordability, and cooperative energy buying in Rhode Island.  Erich was also a founding partner of SolarWrights, a green design/build residential construction and solar installation firm. 

Erich worked for several years as a consulting field ecologist for The Nature Conservancy, Ducks Unlimited, and other companies and organizations, and for two successful start-up oyster farming companies.  He was also a Peace Corps volunteer in Uruguay.

A graduate of Brown University, where he studied marine ecology, Erich also did graduate studies in ecology and evolutionary biology at UC Davis.


Jack Arruda

Jack Arruda is the project’s Technical Development Manager, responsible for grid interconnection, on-shore cable route planning and installation, and operations and maintenance facilities.  Jack has more than 25 years of experience operating and managing energy projects in the Northeast.  

Prior to joining Vineyard Wind, Jack served as the Director of Operations for Caithness Energy.  Previ-ously, Jack spent over 17 years with Energy Management Inc. (EMI), where he worked in the development of solar, wind and combined cycle natural gas-fired electrical generation facilities.  He was previously the Operations and Facility Manager at the 270 MW natural gas-fired power plant in Tiverton, Rhode Island for 8 years working for Calpine and GE.   

Jack is a lifelong resident of Dartmouth, and a graduate of Massachusetts Maritime Academy with a degree in Marine Engineering. 


rachel pachter

Rachel Pachter is Vineyard Wind’s Vice President of Permitting Affairs. Rachel has more than 15 years of experience in offshore wind development, specifically in permitting and regulatory compliance, environmental and site investigation, federal, state, and local regulations, stakeholder outreach, and public relations. Rachel led and finalized the permitting for the first and only fully permitted offshore wind farm in federal waters of the United States. Rachel has a degree in Geology from the University of Alaska and works from Vineyard Wind’s New Bedford office.


Matthew robertson

Matthew is the Senior Manager of Environmental Affairs at Vineyard Wind, presently managing environmental permitting activities as part of the Vineyard Wind team. He is a biologist skilled in permitting energy projects, with a concentration in the U.S. Atlantic throughout Massachusetts, Rhode Island, New Jersey, Virginia, and Maryland. Specifically, Matthew’s permitting and regulatory compliance experience is centered on Federal, state, and local regulations, which include but are not limited to NEPA, ESA, MMPA, Clean Water Act, Rivers and Waters Act, and Clean Air Act. Furthermore, Matthew has prepared numerous environmental impact statements and environmental studies for the Bureau of Ocean Energy Management.

Matthew has extensive experience in protected species environmental impact analyses, avian and bat impact analyses, visual impact assessments, marine fisheries surveys, shellfish restoration assessments, water quality assessments, and marine mammal incidental harassment authorizations.

Matthew is a born and raised New Englander and currently resides outside of Boston, Massachusetts.