Glenn G. Wattley is a partner of Sierra International. He has over 37 years of management and technology experience in the energy and environmental industries, having started his career with CONSOL Energy, Inc and MSA in Pittsburgh, PA.  He also spent almost twenty years with Arthur D. Little, Inc., and Andersen Consulting (now Accenture) in management and technology consulting serving Global Fortune 1000 companies advising clients at the CEO-Board of Directors level.  He joined Sierra Vista Group as the Managing Partner in charge of the Energy and Environment practice.

Over the years Glenn has brought to a range of energy and utility clients strategic business and technology expertise. Based on his industry experience, he brings to bear practical ideas and solutions for implementation and positive results. He has been retained as CEO/COO for several organizations including a privately held startup company, a major European manufacturer of energy equipment, and a manufacturer of environmentally friendly products used in energy and various industries including medical and automotive.  Clients for several business turnaround and performance improvement assignments have retained him. His work includes due diligence on investment opportunities including merger and acquisition and initial public offerings of energy and technology companies.

Glenn is a recognized thought leader and analyst having appeared on NBC, CBS, ABC, CNBC and PBS. He has been quoted extensively in the press and has given dozens of keynote addresses at industry conferences. He is also a recognized expert in the application of advanced "green" energy technology such as Smart Grid, distributed generation, renewable energy, fuel cells, synthetic fuels, etc. Glenn has been retained as an expert witness on industry, business and financial matters. His client base includes investment banks, utilities, public utility commissions, energy and mining companies and the Federal Department of Justice.

Glenn holds a BS degree in Mechanical Engineering from Columbia University's School of Engineering and Applied Science, and a MBA from Harvard Business School.  He is a member of the Board of Visitors of Columbia's Engineering School.