Giovanni Bignami is a member of the Accademia dei Lincei, Italy, and of the French Academy. He has held key roles in the European Space Agency, and directed the largest institute for space research in France, a country which awarded him the Legion of Honor. He was elected to the Presidency of the COSPAR (Committee on Space Research), was president of the Italian Space Agency, and was president of the Italian National Institute of Astrophysics. Andrea Sommariva is an international economist, who specializes in international finance, international monetary policy, the markets for oil and raw materials, renewable energy, and development of space. He is a member of the study group 'Space Mineral Resources: Challenges and Opportunities' at the International Academy of Astronautics. He has worked as an economist and has been an associate professor at LUISS, Rome, Italy, the Catholic University of Milan, Italy, theSDA Bocconi in Milan, Italy, and the China-Europe Management Institute in Beijing, China.