“DTA's principals share a commitment to excellence in the service of our clients and to the growth of our greatest resource – the people of DTA.”

John Devine
President

John Devine

John Devine (Portland, Maine) has been involved in over 100 projects in the hydropower and water resources field over the past 30 years, 25 of those years as a consultant. He is a registered Professional Engineer and has worked throughout the country on a wide spectrum of projects including the planning, design, licensing, and operation of hydro projects. Much of his experience in the last decade has been focused on relicensing and strategic planning. John has been an active member of the National Hydropower Association (NHA) for many years, including nine years on the Board of Directors. In 1998, the Board elected him president of the association for the 98/99 term, the first time ever a consultant (and not an owner of a generating facility) had ever been elected to that post. In 2001, NHA bestowed on John their most prestigious award - the Henwood Award. In 1988, he co-founded with John Tarbell the firm of Northrop, Devine & Tarbell, Inc. (ND&T) after starting up a hydropower division at E.C. Jordan in 1978. ND&T grew from 2 to 65 people in about 7 years. ND&T was acquired by Duke Energy in 1997 and John became vice president of the Hydro and Natural Resources Group. John is president of DTA.

John Tarbell

John Tarbell (Portland, Maine) has a total of 33 years experience, over 20 of which have been dedicated to hydropower. He is a registered Professional Engineer and has managed design projects, relicensing projects, the permitting of gas-fired and transmission projects, and a variety of other energy-related projects. John Tarbell and John Devine co-founded the firm of Northrop, Devine & Tarbell, Inc. (ND&T).

Jim Lynch

Jim Lynch (Sacramento, California) has a total of 25-plus years of experience in the hydro industry. He is a biologist by education with a Masters in Ecology and Genetics from Yale University. Jim began his relationship with John Devine and John Tarbell in 1996 when he joined the firm of Northrop, Devine and Tarbell, Inc., with the goal of developing a corporate presence in California. He has been the project manager of numerous hydro relicensings in California and other western states. Jim is vice president of the firm’s West Coast operations.

Ed Luttrell

Ed Luttrell (Charlotte, North Carolina) has over 22 years experience in project management, licensing, engineering design, inspection, operational support, and geotechnical design of hydro and other energy facilities. He is a registered Professional Civil Engineer with a Masters in Geotechnical Engineering, an accepted FERC Part 12 Safety inspector with RAM-D training and has led and/or participated in the technical condition inspection/evaluation of over 150 hydroelectric facilities.  His experience includes extensive design support, construction support, dam safety, and operations support for major projects such as the Bad Creek Pumped Storage Project. Mr. Luttrell has been involved in design studies and evaluations for hydroelectric facilities in the United States, Argentina, Belize, Bolivia, Brazil, China, Costa Rica, Nicaragua, Peru, Indonesia, Thailand, Turkey, and Africa. Ed is the chief operating officer of DTA.

Rick Miller

Rick Miller (Charlotte, North Carolina) is a registered Professional Engineer with a 27 year career in the electric power industry. His expertise includes engineering project management, hydropower operations, civil engineering and resource planning. Under his leadership, design studies and evaluations of hydroelectric stations were successfully completed in Brazil, Thailand, Turkey, the Philippines, Africa, Peru and the United States.  Previously, as director of operations for Duke Energy International-Brasil (DEI Brasil), Rick  was responsible for all operations and maintenance (O&M) activities for DEI Brasil’s 2307 MW Paranapanema Hydro System. He is currently president of the National Hydropower Association, and is a former chair of the National Hydropower Association’s International Committee.  He has presented technical papers at various hydro association conferences, and authored articles in Hydro Review magazine.  Rick served as DTA's chief operating officer from 2003 to 2007, when he became chief executive officer of DTA.