Pune-based mid-size IT firm Persistent Systems announced the resignation of its CEO Christopher O’Connor. Christopher, through a letter dated August 9, 2020, stated “personal reasons” to be behind his resignation. It is accepted by the company and will be effective immediately. O’Conner had taken over as CEO in April 2019 and during his tenure, he made several changes in senior management. The firm, in June quarter, reported 9.5% increase in revenue.