Prime Minister Lee Hsien Loong has announced the fourth round of Cabinet changes since the 2011 General Election, and has promoted Tan Chuan-Jin and Lawrence Wong to full ministers.

PM Lee said that both Tan and Wong "had performed well since taking office, and had mastered their portfolios", and that they had won "the respect and trust of Singaporeans."

At 41 years old, Wong will be the youngest Minister in the Cabinet. Other political appointments changes include the new appointments of Lam Pin Min and Denise Phua as Minister of State for Health and Mayor of Central Singapore CDC respectively.

Find out more about these political leaders who will strengthen PM's new cabinet.

1. Tan Chuan-Jin

Appointment: Promoted to full Minister in the Ministry of Manpower

Source: Tan Chuan-Jin Facebook

Age: 45

Social media highlights:

1. Lost the Great Giraffe Challenge and changed his profile photo into a photo of a giraffe for three days.

Source: Tan Chuan-Jin Facebook

2. Together with bloggers Mr Brown and Mr Miyagi, he led the S'pore Twitterverse to tweet the pledge on NDP Eve last year.

Source: MrBrown

Hobbies: An avid photographer and enjoys reading, watching movies and football.

2. Lawrence Wong

Appointment: Promoted to full Minister in the Ministry for Culture, Community and Youth (MCCY), and 2nd Minister for Communications and Information

Source: Lawrence Wong Facebook

Age: 41

Social media highlight:

Jamming with Jeremy Monteiro at a charity event.

Hobbies: Enjoys reading, jogging, playing golf and the guitar.

3. Sam Tan

Appointment: Promoted to Minister of State in the Prime Minister’s Office (PMO) and the MCCY

Source: CDAC Volunteers Website

Age: 55

Social media highlight:

This guy does not even have a Facebook account. But in a speech made in the 2011 Budget debate, he used a viral YouTube video of a bunch of Taiwanese octogenarians going on a motorcycle road trip to urge Singaporeans to live their dreams.

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Hobbies: Photography, Listening to Music

4. Lam Pin Min

Appointment:  Appointed as Minister of State in the Ministry of Health

Age: 44

Social media highlight: 

Shares family photos on his Facebook

Source: Lam Pin Min Facebook

Source: Lam Pin Min Facebook

The Straits Times' Singapolitics: You put your family’s photo on your Facebook page even though most politicians would have wanted their privacy. Why?

I want to let my Facebook friends know that I’m just like any other Singaporean man - with a family, with children. We’ve worries like most other Singaporean families, such as our children’s education and well-being.

Hobbies: Jogging, Swimming, Water sports, Stamps collection

5. Low Yen Ling

Appointment: Appointed as Parliamentary Secretary in both Ministry of Culture, Community and Youth, and the Ministry of Social and Family Development. Also the new Mayor of South West CDC.

Source: Low Yen Ling Facebook

Age: 39

Social media highlights:

Took photo with online celebrities Dr JiaJia and Big Brother at the Istana.

Source: Dr JiaJia Big Brother Facebook

6. Denise Phua

Appointment: Appointed as the Mayor of Central Singapore CDC

Source: Denise Phua Facebook

Age: 54

Social media highlight:

Initiated The Purple Parade,  a movement that supports the inclusion & celebrates the abilities of persons with special needs.

Source: Denise Phua Facebook

Hobbies: Reading, Loves to be by the sea

Top photo from Lee Hsien Loong Facebook. 

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More information here:

Press Statement from the Prime Minister on changes to Cabinet and other Appointments