Cisco has given 27-year-old former startup founder Padmanabhan Krishnamurthy unlimited AI tokens to rewrite 98 per cent of its legacy code within 24 months. President Jeetu Patel believes. Cisco president Jeetu Patel is backing a 27-year-old engineer. Padmanabhan Krishnamurthy has been tasked with a project to rewrite 98% of the company’s legacy code within 24.