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EXECUTIVE TEAM

S2m has deep bench of technical expertise with over 20 engineers in three continents. We have performed detailed studies and analysis in over 30 countries in the last five years providing us with a best-in-class reputation in the solar sector

 Ralf Wiesenberg. Founder and Managing Director.
Ph.D. in Energy Systems Engineering, Berlin University. Ralf has worked on numerous projects for multinational corporations as an energy specialist as well as on the development of several world�s largest solar thermal project in the last 20 years. He is an accredited Financial Risk Manager (FRM�).
 rwiesenberg@s2msolutions.com


 Enrique Serrano. Founder and Director of Operations.
Enrique is a Technical Engineer with a Master�s Degree in Operational Management and Industrial Quality. Has worked in the petrochemical and energy industry and as a technical consultant and has helped to raise and design 4.5bn in structured financing for solar projects.
 eserrano@s2msolutions.com


 Stefan Unnasch. Managing Director - North America.
Stefan has a B.Sc. in Mechanical Engineering from the University of California at Berkeley. He is a specialist in thermodynamic processes and gas dynamics and has published over 70 papers published internationally. In the 1980s he joined ACUREX, a pioneer in solar thermal systems, where he remained for 15 years.
 sunnasch@s2msolutions.com


 Prasad Gangireddy. Managing Director - India and Rest of Asia.
Prasad Gangireddy holds MBA from Universidad Carlos III de Madrid, Spain. Prasad has a Bachelor�s Degree in Mechanical Engineering from VTU of Belgaum in India. He worked as an engineer for Fluent ANSYS India Ltd. where he was responsible for developing new software functionality and new versions of this fluid simulation software which is the global industry benchmark. He is currently a member of the working group on new energy storage applications and works as business developer..
 pgangireddy@s2msolutions.com


 Cayetano Hernandez. Country Manager - China.
Cayetano holds an Msc. in Civil Engineering from Alfonso X el Sabio University in Spain. He worked as an engineer for SENER Engineering and Systems for five years where he was been working as Project Engineer for Energy and Infrastructure projects both national and international. Upon completing an MBA program at IE Business School in Spain, he now leads our office in China, Beijing.
 chernandez@s2msolutions.com


 Giovanni Antonio Cossu. Country Representative Italy.
Gianni graduated in Computer Science at the University of Pisa. His professional and entrepreneurial activity met the RES market five years ago when he joined a Company proposing modeling and services for both the renewables and conventional sources sectors. With the responsibility of the Business Development he acquired and consolidated a sound network of relations with the main players (industries, research institutions, associations) in CSP and PV market.
 gcossu@s2msolutions.com