Vineet Nayar has been appointed as president of HCL Technologies.According to a release issued by the company to the BSE today, Nayar will be responsible for the software & infrastructure business that accounts for 86% of the company's $750 million revenue run rate of global services business.Shiv Nadar, chairman & CEO of HCL Technologies, said: "Vineet has demonstrated strong leadership skills during his 20 years with HCL. I feel confident that his global outlook, leadership skills and demonstrated track record of building new businesses will take HCL's software & infrastructure business to the next trajectory of growth."