Tata sons has appointed Ishaat Hussain as the interim chairman of Tata Consultancy Services in place of Cyrus Mistry who was sacked last month, CNBC reported on Thursday. Hussain joined the Board of Tata Sons as an Executive Director on July 1, 1999, and held the post of Finance Director of Tata Sons Ltd, beginning July 28, 2000. Prior to joining Tata Sons, he was the Senior Vice President and Executive Director - Finance in Tata Steel for almost 10 years. Besides being on the board of Tata Sons Limited, he is Chairman of Voltas Limited and Tata Sky Limited. He is also on the boards of several Tata Companies such as Tata Steel, Tata Industries, Tata Teleservices, Titan Industries Limited. In April 2005, Hussain was appointed a member of the Board of Trade, and in November 2006, he was appointed a Public Interest Director of Bombay Stock Exchange Limited. In January 2008, he was appointed a Trustee on the board of India Foundation for the Arts