WaterHealth International competitors

Thad Hill became Calpine’s President and Chief Executive Officer and a member of its Board of Directors in May 2014. Mr. Hill joined the company in September 2008 as Executive Vice President and Chief Commercial Officer. He became Chief Operating Officer in November 2010 and was named President in December 2012. Prior to Calpine, Mr. Hill was with NRG Energy from 2006 to 2008, serving as President of NRG Texas in 2007- 2008. Prior to NRG, Mr. Hill was Executive Vice President of Strategy and Business Development at Texas Genco LP from 2005 to 2006. From 1995 to 2005, he was with Boston Consulting Group Inc., where he rose to Partner and Managing Director and led the North American energy practice, serving companies in the power and gas sector with a focus on commercial and strategic issues. Mr. Hill received his Bachelor of Arts degree from Vanderbilt University magna cum laude and a Master of Business Administration degree from the Amos Tuck School of Dartmouth College, where he was elected an Edward Tuck Scholar.

Mike Sommers is the 15th chief executive of the American Petroleum Institute since its founding almost a century ago. API is the largest national trade association representing all aspects of America's oil and natural gas industry. Before being named APl's president and CEO, Sommers led the American Investment Council, a trade association representing many of the nation's leading private equity and growth capital firms and other business partners. Sommers spent two decades in critical staff leadership roles in the U.S. House of Representatives and the White House, including chief of staff for Speaker of the House John A. Boehner (R-Ohio) and Special Assistant to President George W. Bush at the National Economic Council. Sommers has been instrumental in crafting landmark legislation, including leading efforts to pass the Troubled Asset Relief Program through Congress, brokering a resolution between the administration and Congress ahead of the fiscal cliff in 2013, leading efforts to pass the Bipartisan Budget Agreement of 2015 and trade promotion authority in 2015. Sommers is a native of Naperville, Illinois, and a graduate of the honors program at Miami University in Oxford, Ohio, where he was awarded the President's Distinguished Service Medal - the highest honor given to a Miami undergraduate. He is married to Jill Sommers, a former Commissioner at the Commodity Futures Trading Commission (CFTC). They have three children and live in Alexandria, Virginia.

Angela Stokes is an Owner at Rhea Lana's of Winchester and Branch Chief, Executive Resources at Federal Energy Regulatory Commission and is based in Winchester, Virginia. She has worked as Human Resources Specialist at Federal Energy Regulatory Commission; Branch Chief, Employee Acquisition and Operations at Federal Energy Regulatory Commission; and Human Resources Intern at Federal Energy Regulatory Commission. Angela attended American University between 2007 and 2009 and Indiana University of Pennsylvania between 2003 and 2006.

Donnell serves as the Chief Executive Officer for biomass-based diesel’s preeminent trade association. With more than 115 member companies, Clean Fuels Alliance America is the leading U.S. organization representing the biodiesel and renewable diesel industry. Donnell works closely with Clean Fuels Alliance America’s board of directors to ensure the industry has a clear, sharp vision of the future – full of growth and opportunity for the members it serves. Donnell provides leadership to Clean Fuels Alliance America’s highly competent and passionate staff and team of advocacy, technical, environmental science, and communications professionals in a dedicated drive to see the industry reach its vision of six billion gallons of demand by 2030. Leveraging America’s growing demand for cleaner and better transportation and home heating fuels, the industry is poised to deliver on that demand today.

Jean François Thévenot is a Chief Executive Officer at American Council On Renewable Energy (ACORE) and is based in United States.