He was one of the members of Israel Defense Forces’ elite cyber team.
Between 2005 and 2011, Capsi served as vice president and chief business officer in the Israel and US branches of Mavenir Systems which was previously Comverse technology.
He has served has president and general manager at Comverse Technology (Verint Group).
[3][4] Also in 2014, he founded Fifth Dimension Holdings, a company that developed predictive analytics systems used by security agencies and called itself the "technology leader in law enforcement investigation and analysis solutions" because it provided big data in real time through a unified investigation platform to utilize advanced analytics for assisting police analysts and investigators to solve many cases faster.
[7][8] In 2015, Viktor Vekselberg's Columbus Nova made large investments in Fifth Dimension when Benny Gantz was its chairman.