Our team goal is to make sure that every aspect of your experience with us goes smoothly. Everyone on staff believes in the mission of saving money for the customer and improving the environment!

Herbert Abel

Chief Executive Officer, Green Choice Solar LLC

Herbert Abel is an expert in renewable energy with more than two decades of entrepreneurial experience starting, managing, and rapidly developing successful businesses.

In 2004, he invested in a German biogas firm and became a member of its management board. He led the company through a period of extremely rapid growth making it a market leader in the biogas industry. In May of 2006, this company successfully went public on the Frankfurt Stock Exchange.

Prior to that, Herbert was a partner at a Munich-based consulting firm where he was responsible for M&A and Corporate Finance projects. Before that he was a shareholder and CEO of a Germany-based wireless-infrastructure firm, which he successfully sold to a strategic investor. He has also been CEO of several other firms in the wireless-telecom sector.

Scottsdale, Arizona-based Green Choice Solar LLC is his latest venture.

Herbert holds a MBA from Heriot Watt University in Edinburgh.

Tony Doran

Chief Revenue Officer, Green Choice Solar LLC

As Chief Revenue Officer, Tony brings with him 15 years of sales leadership experience in the technology and medical industries. He is accomplished in driving sales, product integrations, and market development. He has built and managed large sales teams designed for maximum growth.

Before Green Choice Solar, Tony was CEO for a nationwide medical consulting firm.

He holds a BS in Electrical Engineering from Santa Clara University.

Mike Toomb

Chief Operating Officer, Green Choice Solar LLC

Mike Toomb, COO of Green Choice Solar, has more than 20 years experience managing business operations and departmental teams in both the retail and construction industries. Combined with a strong background in the design and implementation of roofing systems, he has directed as many as 300 staff in numerous departments, overseeing expenditures, budgets, and daily project goals. Mike has also served as a Sergeant in the United States Army and holds two degrees from Arizona State University, including a BS in Finance.

Randy Buter

Chief Financial Officer, Green Choice Solar LLC

Before joining Green Choice Solar, Randy Buter played a key role at The Wolff Company, a real estate holding and investment company, providing financial modeling, budgeting and planning, risk management, acquisition analysis, IT direction, and investor analysis.

Prior to this, Mr. Buter served as interim controller for Belae Brands, Director of Finance & Administration for Abel Telecom, and Director of Corporate Development for a start-up company called Evolution Holdings, Inc. Randy's extensive experience in mergers and acquisitions includes serving as Director of Strategic Initiatives at MicroAge, Inc., a $5 billion company.

Randy holds a BS in Accounting from Drake University and an MBA from University of Phoenix.

Robert Wittmann

Chief Technical Officer, Green Choice Solar LLC

Green Choice Solar's CTO, Robert Wittmann has more than 25 years of professional experience. He started out as a telecommunications engineer and also gathered extensive experience in sales and management. After that he moved into the field of renewable energy and became an industry specialist for solar PV. He implemented over 500 Photovoltaic Systems in Germany before he came to the United States to join Green Choice. His technical prowess keeps Green Choice on the cutting edge of technological progress. Robert holds a degree in Computer Science from University Rosenheim in Germany.

Michael Green

Vice President of Business Development
K-12 & Higher Education

Michael is an expert in providing large-scale solar solutions for school and government clients. Before Green Choice, he successfully implemented one of Arizona's largest solar projects at Paradise Valley Unified School District, where he was Director of Maintenance & Operations.

Michael has a track record of 20+ years of proven experience in innovative and profit driven solutions for commercial building owners. In his career, he has been accountable for planning and execution of operation budgets & capital investment projects totaling over $400 million dollars.

Michael holds a degree in Mechanical Design & Business and an EPA Certification.