Vishal Sikka has resigned as the Managing Director and Chief Executive Officer of Infosys Ltd. with immediate effect. U.B. Pravin Rao has been appointed as the interim-managing director and chief executive, whereas Sikka has now been appointed as executive vice-chairman. Infosys, in a statement to the stock markets, said that the Board of Directors has accepted the resignation of Sikka. Sikka has over 30 years of experience, adding that since joining Infosys in 1986, he has held a number of senior leadership roles including Head of Infrastructure Management Services, Delivery Head for Europe, and Head of Retail, Consumer Packaged Goods, Logistics and Life Sciences.