Corporate Officers

Nelson G. Hawk
Chairman          

Mr. Nelson Hawk has over 38 years of electric utility experience.  He is the Chairman of the Board of EnerVision, Inc. Besides managing Board activities, Mr. Hawk's main duties are to spearhead business development activities and perform value-added work for EnerVision's clients.  Mr. Hawk was instrumental in the development and implementation of a green power program for cooperatives in the state of Georgia.  Mr. Hawk has led EnerVision in providing technical and analytical skills to identify, evaluate and negotiate power purchase agreements with renewable energy projects.  He also provides technical expertise to statewide organizations in support of energy efficiency and renewable energy topics.

Elaine H. Johns
President/CEO

Ms. Elaine Johns has over 23 years of consulting experience in areas ranging from strategic planning, power supply planning, utility rates, marketing, and economic analysis.  She is the President/CEO of EnerVision, Inc. where she leads the company's nationwide consulting efforts.  She also provides overall leadership and direction for the company’s Power Supply Practice Area.  Under her direction, EnerVision staff performs power supply support services for electric cooperatives in Georgia, North Carolina, Texas, South Carolina, Florida, Indiana and Michigan.  

Barry Birkett
Vice President

Mr. Birkett has over 25 years of broad electric utility experience, with specialization in rates and pricing; power supply analysis and negotiations; and contract administration.  His background is unique, with experience in all of these areas from the perspective of both the buyer and seller at the wholesale and retail levels.  He leads EnerVision’s analytical services activities, lending his expertise to projects that serve a variety of client needs and also heads the Financial & Pricing Services practice area.  In addition, Mr. Birkett has led or been a key player in the negotiations of major power supply agreements benefiting a number of cooperatives with power purchases under these agreements valued in the tens of billions of dollars.   

Tom Siegrist
Vice President

Mr. Siegrist has over 30 years of diverse electric utility experience including electric system operations, design and planning, power contract negotiations and management and strategic planning.  Mr. Siegrist leads EnerVision's T&D System Services practice area.  He is also responsible for new business development and acts as a senior liaison with client executives.  Mr. Siegrist’s recent projects include analyses of various technical issues with the Georgia Integrated Transmission System, and the potential impacts of Regional Transmission Organizations (RTOs), Independent System Operators (ISOs), and new electric reliability standards from FERC on electric utilities.  He also works with utilities to integrate distributed generation, direct load control and renewable resource projects into their daily power mix.

Michael Whiteside
Vice President

Mr. Michael Whiteside recently joined our organization as Vice President of Business Development. Michael's skills broaden EnerVision’s range of services to assist our clients best meet their power related needs in today’s constantly changing energy industry.  Michael recently retired from Coweta-Fayette EMC, a Georgia electric cooperative, with more than 35 years of service, after reaching the position of President/CEO within that organization.  Michael attended Middle Georgia College, DeKalb Technical School and Georgia State University.  After graduating, he worked as a  consulting engineer for the Southern Engineering Company of Georgia prior to joining Coweta-Fayette EMC in 1974.  Along with serving as President/CEO of Coweta-Fayette EMC, Michael was also President/CEO of Relyco Resources, Inc.—a commercial/residential security subsidiary, President/CEO of Coweta-Fayette EMC Natural Gas, Inc.—with 20,000+ gas customers, and President of Green Power EMC—an organization of 38 participating Georgia EMCs that offer renewable energy from Georgia resources.