Guy Caspi


Guy Caspi is an America-based serial entrepreneur. He was one of the members of Israel Defense Forces’ elite cyber team.

Early life and career

Capsi was born in Tel Aviv, Israel. He holds BSc, MSc and MBA degrees in mathematics, Machine Learning and Business from various universities in Israel and USA.
Between 2005 and 2011, Capsi served as vice president and chief business officer in the Israel and US branches of Mavenir. In 2011, Capsi co-founded Tamares Telecom, and served as its CEO till 2013.
He has served has president and general manager at Comverse.

Deep Instinct and Fifth Dimension Holdings

In 2014, Caspi along with Eli David, Nadav Maman, Doren Cohen and Yoel Neeman co-founded Deep Instinct, a company that applies artificial intelligence’s deep learning to cybersecurity.
In the same year, 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. In 2015, Yaron Eitan, the founder of Geotec and DVTEL, which was an advanced video surveillance that develops visible and thermal cameras and their encoders and servers along with integrated video management software and was purchased by FLIR Systems for $92 million in November 2015, became a board member of Fifth Dimension. In 2015, Viktor Vekselberg's Columbus Nova made large investments in Chairman Benny Gantz's Fifth Dimension. At the end of 2018 after receiving NIS 250 million over four years, Fifth Dimension ceased its operations because of investment problems in the United States with Viktor Vekselberg's $2 billion in assets that were frozen in May 2018 according to Ram Ben-Barak who was on the Fifth Dimension advisory board until 2017.