Jeffrey Siow Chen Siang (;
pinyin
Hanyu Pinyin, or simply pinyin, officially the Chinese Phonetic Alphabet, is the most common romanization system for Standard Chinese. ''Hanyu'' () literally means 'Han Chinese, Han language'—that is, the Chinese language—while ''pinyin' ...
: ''Xiāo Zhènxiáng'', born ) is a Singaporean politician and former civil servant. A member of the ruling
People's Action Party
The People's Action Party (PAP) is a major Conservatism, conservative political party in Singapore and is the governing contemporary political party represented in the Parliament of Singapore, followed by the opposition Workers' Party of Singap ...
(PAP), he is the
Member of Parliament (MP) representing the Brickland ward of
Chua Chu Kang Group Representation Constituency
The Chua Chu Kang Group Representation Constituency is a four-member Group Representation Constituency located in the western area of Singapore. The GRC has four wards: Chua Chu Kang, Tengah, Keat Hong and Brickland. Only a small portion of t ...
(GRC) since
2025
So far, the year has seen the continuation of major armed conflicts, including the Russian invasion of Ukraine, the Sudanese civil war (2023–present), Sudanese civil war, and the Gaza war. Internal crises in Bangladesh post-resignation v ...
.
Siow served as a civil servant within multiple government agencies for 24 years. He previously served as principal private secretary (PPS) to Prime Minister
Lee Hsien Loong
Lee Hsien Loong (born 10 February 1952) is a Singaporean politician and former military officer who served as the third Prime Minister of Singapore, prime minister of Singapore from 2004 to 2024, thereafter serving as a Senior Minister of S ...
between 2017 and 2021, and was serving as second permanent secretary at the
Ministry of Manpower (MOM) and
Ministry of Trade and Industry A ministry of trade and industry, ministry of commerce, ministry of commerce and industry or variations is a ministry that is concerned with a nation's trade, industry and commerce.
Notable examples are:
List
*Algeria: Ministry of Industry and ...
(MTI) at the time of his resignation. He was the most senior of public servants who stepped down to join politics ahead of the
2025 general election.
Early life and education
Siow grew up in a one-room public housing rental flat in
Henderson.
He earned a
Public Service Commission scholarship and studied economics and urban planning at
Cornell University
Cornell University is a Private university, private Ivy League research university based in Ithaca, New York, United States. The university was co-founded by American philanthropist Ezra Cornell and historian and educator Andrew Dickson W ...
.
Civil service career
Siow became a deputy director at the Civil Service College in 2005 and served until 2009. He then served as a deputy director at the
Ministry of Education
An education ministry is a national or subnational government agency politically responsible for education. Various other names are commonly used to identify such agencies, such as Ministry of Education, Department of Education, and Ministry of Pub ...
(MOE) between 2009 and 2011.
From 2012 until 2017,
Siow was a director at the
Ministry of Transport
A ministry of transport or transportation is a ministry responsible for transportation within a country. It usually is administered by the ''minister for transport''. The term is also sometimes applied to the departments or other government a ...
(MOT). During his tenure, he oversaw projects such as the
Bus Contracting Model, the failed
Kuala Lumpur–Singapore high-speed rail
The Kuala Lumpur–Singapore high-speed rail (HSR) is a proposed railway project to link Kuala Lumpur, Malaysia to Singapore via a high-speed rail line. It was first proposed by then Malaysian Prime Minister Najib Razak in September 2010. Sing ...
and the
Johor Bahru–Singapore Rapid Transit System
,
,
,
,
,
The Johor Bahru–Singapore Rapid Transit System (RTS) Link is an international cross-border rapid transit system that will connect Malaysia's second largest city, Johor Bahru and Woodlands, Singapore, Woodlands, Si ...
, and was part of a team tasked to plan the
Thomson–East Coast MRT line
The Thomson–East Coast Line (TEL) is a medium-capacity Mass Rapid Transit (Singapore), Mass Rapid Transit (MRT) line in Singapore. Coloured brown on the rail map, it is fully underground. When fully completed, the sixth line on the country's MR ...
.
In 2017, Siow was appointed as principal private secretary (PPS) to then-Prime Minister
Lee Hsien Loong
Lee Hsien Loong (born 10 February 1952) is a Singaporean politician and former military officer who served as the third Prime Minister of Singapore, prime minister of Singapore from 2004 to 2024, thereafter serving as a Senior Minister of S ...
, a role which he served until 2021.
In September that year, he became a member of the board of directors at the
Infocomm Media Development Authority, and held this position until 2022.
He was the first managing director and chief operating officer of
Enterprise Singapore
Enterprise Singapore (EnterpriseSG) is a government board formed on 1 April 2018 to support the development of Singapore's small and medium-sized enterprises (SMEs), upgrade their capabilities, foster innovation, support transformation, and pro ...
from September 2021 until he stepped down on 31 December 2023.
Siow was appointed as second permanent secretary at the
Ministry of Manpower (MOM) in October 2023, with his tenure beginning on 1 January 2024. He concurrently served as second permanent secretary at the
Ministry of Trade and Industry A ministry of trade and industry, ministry of commerce, ministry of commerce and industry or variations is a ministry that is concerned with a nation's trade, industry and commerce.
Notable examples are:
List
*Algeria: Ministry of Industry and ...
(MTI) since September 2024.
Political career
On 2 April 2025, Siow retired from his positions at MOM and MTI. He was the most senior of civil servants to resign ahead of
the upcoming general election that year.
Siow was revealed to have joined the
People's Action Party
The People's Action Party (PAP) is a major Conservatism, conservative political party in Singapore and is the governing contemporary political party represented in the Parliament of Singapore, followed by the opposition Workers' Party of Singap ...
(PAP) team contesting
Chua Chu Kang Group Representation Constituency
The Chua Chu Kang Group Representation Constituency is a four-member Group Representation Constituency located in the western area of Singapore. The GRC has four wards: Chua Chu Kang, Tengah, Keat Hong and Brickland. Only a small portion of t ...
(GRC), alongside Deputy Prime Minister
Gan Kim Yong
Gan Kim Yong (born 9 February 1959) is a Singaporean politician who has been serving as Deputy Prime Minister of Singapore since 2024 and Minister for Trade and Industry since 2021. A member of the governing People's Action Party (PAP), he h ...
, incumbent Member of Parliament (MP)
Zhulkarnain Abdul Rahim
Zhulkarnain bin Abdul Rahim ( Jawi: ذو القرنين عبدالرحيم; born 23 November 1980) is a Singaporean politician and lawyer. A member of the People's Action Party (PAP), he has been the Member of Parliament (MP) representing the K ...
and neuroscientist
Choo Pei Ling. He said to
''The Business Times'' that he viewed politics as "an extension of public service",
and told
''The Straits Times'' that while he did not consider joining politics until "recently", he felt "it was just time for
imto take a different tack".
During nomination day, Gan was transferred to
Punggol GRC, with
Manpower Minister Tan See Leng transferring from
Marine Parade–Braddell Heights GRC to take his place. Henceforth Siow contested Chua Chu Kang GRC with Tan, Zhulkarnain, and Choo, with the team winning the election with 63.59% of the votes and a majority of 23,512 against the
Progress Singapore Party
The Progress Singapore Party (abbreviation: PSP) is a political party in Singapore. It was one of the three political parties represented in 14th Parliament, alongside the governing People's Action Party (PAP) and the other opposition Workers' ...
.
Acting Minister for Transport (2025–present)
On 21 May 2025, Siow was appointed as acting
Minister for Transport
A ministry of transport or transportation is a ministry responsible for transportation within a country. It usually is administered by the ''minister for transport''. The term is also sometimes applied to the departments or other government a ...
and Senior Minister of State for Finance in the
Second Lawrence Wong Cabinet. He succeeded
Chee Hong Tat
Chee Hong Tat ( zh, s=徐芳达, p=Xú Fāngdá, poj=Chhî Hong-ta̍t, first=poj; born 4 November 1973) is a Singaporean politician and former civil servant who has been appointed as Minister for National Development in 2025. A member of the ...
who became
Minister for National Development in the former role.
Personal life
Siow is married and has a son and a younger daughter who were born two years apart. He is a
football
Football is a family of team sports that involve, to varying degrees, kick (football), kicking a football (ball), ball to score a goal (sports), goal. Unqualified, football (word), the word ''football'' generally means the form of football t ...
enthusiast and plays the sport during his free time on weekends. He is also interested in science fiction, listing
''The Three-Body Problem'' and authors including
Isaac Asimov
Isaac Asimov ( ; – April 6, 1992) was an Russian-born American writer and professor of biochemistry at Boston University. During his lifetime, Asimov was considered one of the "Big Three" science fiction writers, along with Robert A. H ...
and
Ted Chiang
Ted Chiang (; pinyin: ''Jiāng Fēngnán''; born 1967) is an American science fiction writer. His work has won four Nebula Award, Nebula awards, four Hugo Award, Hugo awards, the John W. Campbell Award for Best New Writer, and six Locus Award, ...
as among his favourites in the genre.
References
{{15th Parliament of Singapore
Living people
Cornell University alumni
Year of birth missing (living people)
Place of birth missing (living people)
21st-century Singaporean politicians