Lee Hsien Yang, the group chief executive officer (CEO) of Singapore Telecommunications, plans to step down, the company said in a brief statement on Friday.Lee, who has served as CEO of SingTel since 1995, will continue in his current capacity until a successor has been found, the company said, adding that a global search for his replacement is under way. No reason was given for Lee\u2019s decision to step down. During Lee\u2019s tenure, SingTel grew from a recently privatized operator into a regional telecommunications powerhouse. He led SingTel\u2019s international expansion, including the acquisition of Australian operator Optus. The company, which has 85 million mobile subscribers across the region, also holds stakes in mobile operators in Thailand, Philippines, India, Bangladesh and Indonesia.SingTel reported a profit of S$4.2 billion (US$2.6 billion, based on the conversion rate for the last day of the period being reported) on revenue of S$13.1 billion during its most recent fiscal year, which ended on March 31.-Sumner Lemon, IDG News Service (Beijing Bureau)Check out our CIO News Alerts and Tech Informer pages for more updated news coverage.