RST Team

Roye Sade – Co-founder and C.E.O. of RST Global

Manages 4 branches worldwide; RST Cleantech Middle East, RST USA and RST Latin America.

Roye holds a business degree from New York University. Roye has extensive experience in management of international projects, specializing for seven years in the solar PV industry, including management of the first solar projects in the global markets. He was in charge of government solar projects and city management across the country. In 2011 Roye began developing the RST system and in 2013 RST Cleantech was officially established.




Raina Greenfest-  Executive Vice President of RST Cleantech U.S.

Raina was the original “Solar Mom”, founding Women4Solar and #SolarChat. Combining her commitment to solar energy with a background in civil engineering and construction, Raina has been a solar-community builder for the past decade. She is a firm believer in “walking the walk”, especially when it comes to climate change and has been recognized as a “Warrior for Our Planet” by a New York State Congressman. Raina experienced first hand the destructive power of hurricanes Sandy and Irma, she was able to use her knowledge to provide relief in Puerto Rico in the form of solar power and mobile telecommunications through her work as the Executive Director of Clean Energy Relief, Inc.




Marcelo Tokman –  Chairman of RST-Cleantech Latin America

Marcelo is the  Board Member of several companies in Chile. He is also on the Board of the Chile-California Council. Previously he held several positions in the Chilean Government, the private sector, NGOs and Universities. He was Chile’s first Minister of Energy, the CEO of the National Energy Company (ENAP) and the Vice President and GM of Vestas for South America.

Mr. Tokman holds a Ph.D. and an M.A. degree in Economics from the University of California at Berkeley and a B.A. degree in Economics from Pontificia Universidad Catolica de Chile. He was the recipient of the 2017 LAC-CORE Clean Energy Award.