A graduate of Ecole Polytechnique (class of 81), and after a short 3-year period in consulting, Olivier Dellenbach co-founded and managed his first software company NAT Systèmes in 1987, which was sold to the Canadian Cognicase in 1998.
In 1999, Olivier Dellenbach founded eFront, a software publisher specializing in the management of private equity and venture capital portfolios, a company that he managed until its sale in April 2019 to BlackRock for more than $1.3 billion.
In 20 years, eFront will become the world leader in its sector, with, at the time of its sale, more than 850 employees, 800 clients, a presence in more than 30 countries through some 20 offices and a worldwide revenue of more than 130 million euros.
Since May 2019, Olivier Dellenbach has been managing, through his family holding company, ChapsHolding, minority or majority investments in various high-tech companies.
Since June 17, 2019, Olivier Dellenbach has been a director of Coheris.