Juan Carlos Ferrero and Vasek Pospisil, have which mutual occupation?
Vasek Pospisil Vasek Pospisil (, ] ; born June 23, 1990) is a Canadian professional tennis player. He is the No. 3 male ranked player in Canada, after Milos Raonic and Denis Shapovalov. Pospisil has a career-high World singles ranking of 25, and No. 4 in doubles. As Canada's currently ranked No. 3 in singles and No. 3 in doubles, he is an important member of the Canada Davis Cup team. Along with partner Jack Sock, he won the 2014 Wimbledon Championships and the 2015 Indian Wells Masters men's doubles titles. He also reached the quarterfinals in singles at the 2015 Wimbledon Championships.
Guillermo Calvo Guillermo Antonio Calvo (born 1941) is an Argentine-American economist who is Director of Columbia University's mid-career Program in Economic Policy Management in their School of International and Public Affairs (SIPA).