What is Tony Tan?
{{redlinks|date=September 2011}} {{Chinese name|Tan}} {{Infobox Officeholder |honorific-prefix = [[His Excellency]] Dr. |name = Tony Tan Keng Yam |native_name = 陈庆炎 |image = Tony Tan 20110623.jpg |caption = Tan at a press conference announcing his intention to contest the 2011 Singaporean presidential election in June 2011. |office = 7th [[President of Singapore]] |primeminister = [[Lee Hsien Loong]] |term_start = 1 September 2011 |term_end = 31 August 2017 |predecessor = [[S.R. Nathan|Sellapan Ramanathan]] |successor = [[Halimah Yacob]] |office2 = [[Co-ordinating Minister for National Security|Minister for Security and Defence]] |primeminister2 = [[Lee Hsien Loong]] |term_start2 = 1 August 2003 |term_end2 = 1 September 2005 |predecessor2 = Position established |successor2 = [[S. Jayakumar|Shunmugam Jayakumar]] <small>(National Security)</small> |office3 = [[Deputy Prime Minister of Singapore]] |primeminister3 = [[Goh Chok Tong]]<br>[[Lee Hsien Loong]] |term_start3 = 1 August 1995 |term_end3 = 1 September 2005 |predecessor3 = [[Ong Teng Cheong]] |successor3 = [[Wong Kan Seng]] |office4 = [[Ministry of Defence (Singapore)|Minister for Defence]] |primeminister4 = [[Goh Chok Tong]] |term_start4 = 1 August 1995 |term_end4 = 1 August 2003 |predecessor4 = [[Lee Boon Yang]] |successor4 = [[Teo Chee Hean]] |office5 = [[Ministry of Education (Singapore)|Minister for Education]] |primeminister5 = [[Lee Kuan Yew]]<br>[[Goh Chok Tong]] |term_start5 = 1 January 1985 |term_end5 = 29 December 1991 |predecessor5 = [[Goh Keng Swee]] |successor5 = [[Lee Yock Suan]] |office6 = [[Minister for Finance (Singapore)|Minister for Finance]] |primeminister6 = [[Lee Kuan Yew]] |term_start6 = 24 October 1983 |term_end6 = 1 January 1985 |predecessor6 = [[Lee Kuan Yew]] |successor6 = [[Richard Hu]] |constituency