Jeff Duff

Jeff Duff

Vice President/CFO

Jeff is the Chief Financial Officer of Green Technical services group. Jeff began his career in the wind industry in 2000, where he helped shape wind turbine system performance analysis, asset management for the GE 1.5MW fleet. Jeff’s entrepreneurial leadership and corporate governance where also key in launching their sister company Airstreams Renewables, Inc.

  • System Performance Manager with GE Wind responsible for monthly technical reviews, RCA support and analysis, operations and service reporting, customer relations for over 1700 MW of wind turbines.
  • Technical Analyst with Zond/Enron Wind responsible for wind and turbine analysis, engineering support for a growing fleet of hundreds of owned and operated turbines throughout the world.
  • System performance manager for Enron Wind/GE Wind responsible for fleet technical reporting to the commercial Asset Management group with over 2000 MW’s of turbines. Jeff has an MS in Mathematics (with a specialization in teaching) and BA in Mathematics and Economics (International Trade).