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[[File:Jane Ittogi. Photo from Mamahood..jpg|alt=Jane Ittogi. Photo from Mamahood.|thumb|''Jane Ittogi. Photo from [https://story.mamahood.com.sg/jane-yumiko-ittogi-philosophy-on-raising-children/ Mamahood].'']]
[[File:Jane Ittogi. Photo from Mamahood..jpg|alt=Jane Ittogi. Photo from Mamahood.|thumb|''Jane Ittogi. Photo from [https://story.mamahood.com.sg/jane-yumiko-ittogi-philosophy-on-raising-children/ Mamahood].'']]
Jane Yumiko Ittogi is the wife of former Senior Minister Tharman Shanmugaratnam.<ref>Zainalabiden, Fayyadhah. "[https://mustsharenews.com/tharman-shanmugaratnam-wife/ Tharman Shares About Wife In Rare Facebook Post, She Runs NGO That Uplifts S’pore Residents]”. ''Must Share News''. July 25, 2023. Accessed 27th July 2023.</ref> A lawyer by training, Ittogi left the legal practice to support the local arts and education scenes and engage in community work.<ref name=":0">Shook Lin & Bok. "[https://www.shooklin.com/en/our-partners/jane-ittogi Jane Ittogi]". ''Shook Lin & Bok''. n.d. Accessed 27th July 2023.</ref> To date, Ittogi has served on the boards of the Singapore Art Museum, the National Heritage Board, the National Gallery Singapore, and Lasalle College of the Arts.<ref name=":1">Lee, Joshua. "[https://mustsharenews.com/tharman-shanmugaratnam-wife/ Tharman shares 3 things about his wife, Jane Yumiko Ittogi]”. ''Must Share News''. July 26, 2023. Accessed 27th July 2023.</ref>
Jane Yumiko Ittogi is the spouse of the President of Singapore, Tharman Shanmugaratnam.<ref>Zainalabiden, Fayyadhah. "[https://mustsharenews.com/tharman-shanmugaratnam-wife/ Tharman Shares About Wife In Rare Facebook Post, She Runs NGO That Uplifts S’pore Residents]”. ''Must Share News''. July 25, 2023. Accessed 27th July 2023.</ref> A lawyer by training, Ms Ittogi is actively engaged in initiatives for social upliftment and sustainability. She has also been long involved in art leadership and as an advocate of the transformative power of art, including for prison inmates.<ref name=":0">Shook Lin & Bok. "[https://www.shooklin.com/en/our-partners/jane-ittogi Jane Ittogi]". ''Shook Lin & Bok''. n.d. Accessed 27th July 2023.</ref>


At present, Ittogi is the Chair of Tasek Jurong Limited. A local non-governmental organisation (NGO), Tasek Jurong specialises in providing financial and social support to the socially disadvantaged. These include ex-inmates, youth-at-risk, single parents, the needy and disabled and their families.<ref name=":2">Tasek Jurong. “[https://tasekjurong.org/about-us/ About Us]”. ''Tasek Jurong''. n.d. Accessed 27th July 2023.</ref>
Until 2018, Ms Ittogi had been the Chair of the Singapore Art Museum for a decade. She had served on the Board and Executive Committee of the National Gallery Singapore, and sat on the boards of the National Heritage Board and Lasalle College of the Arts.<ref name=":1">Lee, Joshua. "[https://mustsharenews.com/tharman-shanmugaratnam-wife/ Tharman shares 3 things about his wife, Jane Yumiko Ittogi]”. ''Must Share News''. July 26, 2023. Accessed 27th July 2023.</ref>
 
Ms Ittogi chairs Tasek Academy and Social Services, an independent social service agency which helps disadvantaged children and youth build confidence and develop their talents, and enables ex-inmates to rebuild their lives. Amongst other programmes, it runs a large community football-cum-mentoring scheme for youth at risk, including for girls.<ref name=":2">Tasek Jurong. “[https://tasekjurong.org/about-us/ About Us]”. ''Tasek Jurong''. n.d. Accessed 27th July 2023.</ref> She also co-chairs Conservation International’s Asia Pacific Advisory Council, and co-founded GreenSG COLLAB with a team of fellow citizens, to help catalyse awareness and community and youth responses to the climate crisis. She also serves on the Foundation Board of the Global Shapers Community.


== Background ==
== Background ==


=== Family ===
=== Family ===
Ittogi is one of four children born to a Japanese merchant father and a Singaporean Chinese mother. Raised in Singapore since she was three years old, Ittogi grew up in a “Teochew-speaking kampong.” In a Facebook post, Shanmugam described Ittogi as being a studious child:<blockquote>''“She enjoyed learning from teachers and books, quite unlike myself as I was totally consumed with my sports.”''<ref name=":3">Shanmugaratnam, Tharman. “[https://m.facebook.com/TharmanShanmugaratnam/posts/840033884145740:820495289378330 Whenever my wife Jane was with me ....]”. ''Facebook''. July 25, 2023. Accessed 28th July 2023.</ref></blockquote>At present, Ittogi has been married to Shanmugam for 33 years, and the couple has four children together.<ref name=":3" />
Ittogi is one of four children born to a Japanese merchant father and a Singaporean Chinese mother. Raised in Singapore since she was three years old, Ittogi grew up in a “Teochew-speaking kampong.” In a Facebook post, Shanmugaratnam described Ittogi as being a diligent child:<blockquote>''“She enjoyed learning from teachers and books, quite unlike myself as I was totally consumed with my sports.”''<ref name=":3">Shanmugaratnam, Tharman. “[https://m.facebook.com/TharmanShanmugaratnam/posts/840033884145740:820495289378330 Whenever my wife Jane was with me ....]”. ''Facebook''. July 25, 2023. Accessed 28th July 2023.</ref></blockquote>At present, Ittogi has been married to Shanmugaratnam for 35 years, and the couple has four children together.<ref name=":3" />


=== Education and qualifications ===
=== Education and qualifications ===
Ittogi holds a Bachelor of Laws (Honours) (LLB) and a Master of Laws (LLM) from the London School of Economics & Political Science.<ref name=":0" /> According to Shanmugam, the London School of Economics & Political Science was where the couple first met, as they “moved in some of the same circles of friends who were deeply interested in social issues.”<ref name=":3" />
Ittogi holds a Bachelor of Laws (Honours) (LLB) and a Master of Laws (LLM) from the London School of Economics & Political Science.<ref name=":0" /> According to Shanmugaratnam, the London School of Economics & Political Science was where the couple first met, as they “moved in some of the same circles of friends who were deeply interested in social issues.”<ref name=":3" />


Ittogi’s profile on Singapore law firm Shook Lin & Bok also highlights that she was called to the English Bar as a barrister via the prestigious Middle Temple.<ref name=":0" /> Middle Temple is one of four Inns of Court in the United Kingdom that has exclusive authority to call their members to the Bar of England and Wales.<ref>Middle Temple. "[https://www.middletemple.org.uk/ Middle Temple: Home]". ''Middle Temple''. n.d. Accessed 28th July 2023.</ref>
Ittogi’s profile on Singapore law firm Shook Lin & Bok also highlights that she was called to the English Bar as a barrister via the prestigious Middle Temple.<ref name=":0" /> Middle Temple is one of four Inns of Court in the United Kingdom that has exclusive authority to call their members to the Bar of England and Wales.<ref>Middle Temple. "[https://www.middletemple.org.uk/ Middle Temple: Home]". ''Middle Temple''. n.d. Accessed 28th July 2023.</ref>
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=== Involvement in Singapore’s art scene ===
=== Involvement in Singapore’s art scene ===
Ittogi later left legal practice to contribute to Singapore’s arts scene. Notably, Ittogi has held several key leadership positions across several landmark arts institutions in Singapore.
Upon leaving legal practice, Ms Ittogi contributed actively to Singapore’s arts scene and social upliftment initiatives. Notably, Ittogi has held several key leadership positions across several landmark arts institutions in Singapore.


Below is a tabulation of the positions Ittogi has held and currently holds:
Below is a tabulation of the positions Ittogi has held and currently holds:
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|'''Ref(s).'''
|'''Ref(s).'''
|-
|-
|2009-2017
|2008-2013
|Board Member
|Board Member
|National Gallery Singapore
|National Heritage Board
|<ref>Lam, Lydia. "[https://www.straitstimes.com/lifestyle/arts/4-new-board-members-join-national-gallery-3-retire 4 new board members join National Gallery Singapore, 3 retire]". ''The Strait Times''. August 31, 2017. Accessed 28th July 2023.</ref>
|<ref name=":1" /><ref name=":4">St. Margaret's School (Secondary). "[https://www.stmargaretssec.moe.edu.sg/files/08A%20Ms%20Jane%20Ittogi.pdf Ms Jane Yumiko Ittogi]". ''St. Margaret's School (Secondary)''. n.d. Accessed 28th July 2023.</ref><ref>Zoom Info. "[https://www.zoominfo.com/p/Jane-Ittogi/294013194 Jane Ittogi]". ''Zoom Info''. n.d. Accessed 28th July 2023.</ref>
|-
|2008-2018
|Chair
|Singapore Art Museum
|<ref name=":5">Singapore Art Museum. "[https://www.singaporeartmuseum.sg/-/media/sam/files/press-release/2018-pr/announcement_of_a_new_chair_of_the_board_of_directors_at_the_singapore_art_museum_5apr2018.pdf?inline=1 Singapore Art Museum Welcomes New Chair to Museum’s Board of Directors]". ''Singapore Art Museum''. April 5, 2018. Accessed 28th July 2023.</ref>
|-
|2011, 2013, 2015, 2017
|Co-Chair
|Singapore Biennale
|<ref name=":6">APSN. [https://www.apsn.org.sg/our-patron/ Our Patron—Ms Jane Ittogi]. ''APSN''. n.d. Accessed 3rd October 2025.</ref><ref name=":7">Istana.gov.sg. "[https://www.istana.gov.sg/The-President/President-In-Office The President—President In Office]". ''Istana.gov.sg''. n.d. Accessed 3rd October 2025.</ref>
|-
|-
|2009-Present
|2009-2023
|Board Member
|Board Member
|LASALLE College of the Arts
|LASALLE College of the Arts
|<ref>Laselle College of the Arts. "[https://www.lasalle.edu.sg/about/lasalle-board/ms-jane-ittogi Ms. Jane Ittogi - Singapore - LASALLE College of the Arts]". ''Laselle College of the Arts''. n.d. Accessed 28th July 2023.</ref>
|<ref name=":6" /><ref name=":7" />
|-
|-
|Unknown
|2010-2018
|Board Member
|Board Member
|National Heritage Board3
|National Gallery Singapore
|<ref name=":1" /><ref name=":4">St. Margaret's School (Secondary). "[https://www.stmargaretssec.moe.edu.sg/files/08A%20Ms%20Jane%20Ittogi.pdf Ms Jane Yumiko Ittogi]". ''St. Margaret's School (Secondary)''. n.d. Accessed 28th July 2023.</ref><ref>Zoom Info. "[https://www.zoominfo.com/p/Jane-Ittogi/294013194 Jane Ittogi]". ''Zoom Info''. n.d. Accessed 28th July 2023.</ref>
|<ref name=":6" /><ref name=":7" />
|-
|2011
|Co-Chair
|National Arts Council selection committee for the Singapore Pavilion in the Venice Biennale9
|<ref name=":4" />
|-
|-
|2013-2018
|2014-2018
|Chair
|Chair
|Singapore Art Museum
|Istana Art Collection Advisory Committee
|<ref name=":5">Singapore Art Museum. "[https://www.singaporeartmuseum.sg/-/media/sam/files/press-release/2018-pr/announcement_of_a_new_chair_of_the_board_of_directors_at_the_singapore_art_museum_5apr2018.pdf?inline=1 Singapore Art Museum Welcomes New Chair to Museum’s Board of Directors]". ''Singapore Art Museum''. April 5, 2018. Accessed 28th July 2023.</ref>
|<ref name=":6" /><ref name=":7" />
|}
|}
Ittogi's dedication to developing Singapore’s arts scene is driven by her desire to bring it to the international stage. As she said in a statement following her departure from Singapore Art Museum,<blockquote>''“It’s been a wonderful journey with the team at the Singapore Art Museum,''
On her departure from the Singapore Art Museum, Ms Ittogi said in a statement:<blockquote>''“It’s been a wonderful journey with the team at the Singapore Art Museum,''


''working together to put a global focus on contemporary art practices in Singapore and''
''working together to put a global focus on contemporary art practices in Singapore and''
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In 2013, Ittogi started Tasek Jurong Limited, an Institution of a Public Character (IPC)-accredited non-governmental organisation (NGO) that provides financial and social aid to the socially disadvantaged.<ref name=":1" />
In 2013, Ittogi started Tasek Jurong Limited, an Institution of a Public Character (IPC)-accredited non-governmental organisation (NGO) that provides financial and social aid to the socially disadvantaged.<ref name=":1" />


While Tasek Jurong started out providing aid to youth-at-risk, it later scaled to include ex-inmates, single parents, the needy and disabled and their families among its beneficiaries.<ref name=":2" /> Shanmugam describes Ittogi as “working quite single-mindedly to give confidence and help uplift disadvantaged children in Jurong, especially young teens”, and also “ex-inmates, some of whom became [the couple’s] volunteers and leaders, and [their] friends.”<ref name=":3" />
While Tasek Jurong started out providing aid to youth-at-risk, it later scaled to include ex-inmates, single parents, the needy and disabled and their families among its beneficiaries.<ref name=":2" /> Shanmugaratnam describes Ittogi as “working quite single-mindedly to give confidence and help uplift disadvantaged children in Jurong, especially young teens”, and also “ex-inmates, some of whom became [the couple’s] volunteers and leaders, and [their] friends.”<ref name=":3" />


Ittogi currently serves as the Chair of Tasek Jurong.
Ittogi currently serves as the Chair of Tasek Jurong.
Line 80: Line 87:
== Presidential Elections 2023 ==
== Presidential Elections 2023 ==


=== Tharman Shanmugam’s Facebook update (25 July 2023) ===
=== Tharman Shanmugaratnam’s Facebook update (25 July 2023) ===
[[File:Shanmugam shared a photo of himself and Ittogi in a Facebook post. Photo from Shanmugam’s Facebook profile..jpg|alt=Shanmugam shared a photo of himself and Ittogi in a Facebook post. Photo from Facebook.|thumb|''Shanmugam shared a photo of himself and Ittogi in a Facebook post. Photo from [https://www.facebook.com/photo/?fbid=840033884145740&set=a.391142329034900 Facebook].'']]
[[File:Shanmugam shared a photo of himself and Ittogi in a Facebook post. Photo from Shanmugam’s Facebook profile..jpg|alt=Shanmugam shared a photo of himself and Ittogi in a Facebook post. Photo from Facebook.|thumb|''Shanmugaratnam shared a photo of himself and Ittogi in a Facebook post. Photo from [https://www.facebook.com/photo/?fbid=840033884145740&set=a.391142329034900 Facebook].'']]
On 25 July 2023, Shanmugam updated his Facebook profile picture with a photo of himself and Ittogi.<ref name=":3" /> In the picture’s caption, Shanmugam shared details of his marriage with Ittogi, dating back to when the couple first met at the London School of Economics.  
On 25 July 2023, Shanmugaratnam updated his Facebook profile picture with a photo of himself and Ittogi.<ref name=":3" /> In the picture’s caption, Shanmugaratnam shared details of his marriage with Ittogi, dating back to when the couple first met at the London School of Economics.  
 
Shanmugaratnam also went on to explain his wife’s upbringing, revealing that despite her Japanese heritage, she is not fluent in the Japanese language. He attributed this to her having been brought up in “a mainly Teochew-speaking kampong.” Ittogi has, however, been taking steps to improve her fluency.<ref name=":3" />


Shanmugam also went on to explain his wife’s upbringing, revealing that despite her Japanese heritage, she is not fluent in the Japanese language. He attributed this to her having been brought up in “a mainly Teochew-speaking kampong.” Ittogi has, however, been taking steps to improve her fluency.<ref name=":3" />
Shanmugaratnam ended his post by stating that he has been married to Ittogi for 33 years and has been “blessed with four children, each following their own path.” His post was positively received by Singaporean netizens, gathering at least 14,000 reactions, 619 comments, and 612 shares.<ref name=":3" />


Shanmugam ended his post by stating that he has been married to Ittogi for 33 years and has been “blessed with four children, each following their own path.” His post was positively received by Singaporean netizens, gathering at least 14,000 reactions, 619 comments, and 612 shares.<ref name=":3" />
=== Tharman Shanmugaratnam’s TikTok update (24 July 2023) ===
One day before his Facebook update, Shanmugaratnam posted a video on his TikTok account, where he and Ittogi chatted with a 97-year-old elderly woman named Mdm Wong at Teck Whye Market.<ref>tharman.sg. "[https://www.tiktok.com/@tharman.sg/video/7258864469109935361 Taiji enthusiast, former samsui woman, Mdm Wong defies age at 97]". ''TikTok''. July 24, 2023. Accessed 28th July 2023.</ref>  


=== Tharman Shanmugam’s TikTok update (24 July 2023) ===
In the video, Ittogi uses the Teochew dialect to converse with Mdm Wong. In response to a playful quip about how Shanmugaratnam “used to be handsome,” Ittogi responded with “jizun masee buay pai!”, which translates into “Now he is also not bad!”
One day before his Facebook update, Shanmugam posted a video on his TikTok account, where he and Ittogi chatted with a 97-year-old elderly woman named Mdm Wong at Teck Whye Market.<ref>tharman.sg. "[https://www.tiktok.com/@tharman.sg/video/7258864469109935361 Taiji enthusiast, former samsui woman, Mdm Wong defies age at 97]". ''TikTok''. July 24, 2023. Accessed 28th July 2023.</ref>


In the video, Ittogi uses the Teochew dialect to converse with Mdm Wong. In response to a playful quip about how Shanmugam “used to be handsome,” Ittogi responded with “jizun masee buay pai!”, which translates into “Now he is also not bad!”
== References / Citations ==

Latest revision as of 23:22, 3 October 2025

Jane Ittogi. Photo from Mamahood.
Jane Ittogi. Photo from Mamahood.

Jane Yumiko Ittogi is the spouse of the President of Singapore, Tharman Shanmugaratnam.[1] A lawyer by training, Ms Ittogi is actively engaged in initiatives for social upliftment and sustainability. She has also been long involved in art leadership and as an advocate of the transformative power of art, including for prison inmates.[2]

Until 2018, Ms Ittogi had been the Chair of the Singapore Art Museum for a decade. She had served on the Board and Executive Committee of the National Gallery Singapore, and sat on the boards of the National Heritage Board and Lasalle College of the Arts.[3]

Ms Ittogi chairs Tasek Academy and Social Services, an independent social service agency which helps disadvantaged children and youth build confidence and develop their talents, and enables ex-inmates to rebuild their lives. Amongst other programmes, it runs a large community football-cum-mentoring scheme for youth at risk, including for girls.[4] She also co-chairs Conservation International’s Asia Pacific Advisory Council, and co-founded GreenSG COLLAB with a team of fellow citizens, to help catalyse awareness and community and youth responses to the climate crisis. She also serves on the Foundation Board of the Global Shapers Community.

Background

Family

Ittogi is one of four children born to a Japanese merchant father and a Singaporean Chinese mother. Raised in Singapore since she was three years old, Ittogi grew up in a “Teochew-speaking kampong.” In a Facebook post, Shanmugaratnam described Ittogi as being a diligent child:

“She enjoyed learning from teachers and books, quite unlike myself as I was totally consumed with my sports.”[5]

At present, Ittogi has been married to Shanmugaratnam for 35 years, and the couple has four children together.[5]

Education and qualifications

Ittogi holds a Bachelor of Laws (Honours) (LLB) and a Master of Laws (LLM) from the London School of Economics & Political Science.[2] According to Shanmugaratnam, the London School of Economics & Political Science was where the couple first met, as they “moved in some of the same circles of friends who were deeply interested in social issues.”[5]

Ittogi’s profile on Singapore law firm Shook Lin & Bok also highlights that she was called to the English Bar as a barrister via the prestigious Middle Temple.[2] Middle Temple is one of four Inns of Court in the United Kingdom that has exclusive authority to call their members to the Bar of England and Wales.[6]

Career

Law

Ittogi started her professional career as a lawyer in 1988, where she specialised in international arbitration, litigation & dispute resolution, and restructuring & insolvency.[2]

Throughout her litigation career, Ittogi advised on a broad range of finance-related fields, such as documentary credit, banking issues, shares and commodities trades, and forex contracts and securities regulation.[2]

Following her pupillage at a set of leading commercial chambers, Ittogi worked as an undergraduate and post-graduate lecturer in London, where she taught banking, shipping, and commercial law. She also served as the head of an in-house legal department during this time.[2]

Although Ittogi no longer actively practises law, she is currently listed as a Partner with Shook Lin & Bok.[2]

Involvement in Singapore’s art scene

Upon leaving legal practice, Ms Ittogi contributed actively to Singapore’s arts scene and social upliftment initiatives. Notably, Ittogi has held several key leadership positions across several landmark arts institutions in Singapore.

Below is a tabulation of the positions Ittogi has held and currently holds:

Years Served Position Institution Ref(s).
2008-2013 Board Member National Heritage Board [3][7][8]
2008-2018 Chair Singapore Art Museum [9]
2011, 2013, 2015, 2017 Co-Chair Singapore Biennale [10][11]
2009-2023 Board Member LASALLE College of the Arts [10][11]
2010-2018 Board Member National Gallery Singapore [10][11]
2014-2018 Chair Istana Art Collection Advisory Committee [10][11]

On her departure from the Singapore Art Museum, Ms Ittogi said in a statement:

“It’s been a wonderful journey with the team at the Singapore Art Museum,

working together to put a global focus on contemporary art practices in Singapore and

Southeast Asia, while continuously engaging with artists, audiences and underserved

communities in the region.”[9]

Community outreach

Ittogi is also deeply involved in spearheading Singapore’s community outreach initiatives. While serving as Singapore Art Museum’s Chair, she was responsible for leading the museum’s community engagement programmes through partnerships. One such partnership was with the Yellow Ribbon Project, which led to an annual showcase of inmates’ artwork at the museum.[9][12]

In 2013, Ittogi started Tasek Jurong Limited, an Institution of a Public Character (IPC)-accredited non-governmental organisation (NGO) that provides financial and social aid to the socially disadvantaged.[3]

While Tasek Jurong started out providing aid to youth-at-risk, it later scaled to include ex-inmates, single parents, the needy and disabled and their families among its beneficiaries.[4] Shanmugaratnam describes Ittogi as “working quite single-mindedly to give confidence and help uplift disadvantaged children in Jurong, especially young teens”, and also “ex-inmates, some of whom became [the couple’s] volunteers and leaders, and [their] friends.”[5]

Ittogi currently serves as the Chair of Tasek Jurong.

Presidential Elections 2023

Tharman Shanmugaratnam’s Facebook update (25 July 2023)

Shanmugam shared a photo of himself and Ittogi in a Facebook post. Photo from Facebook.
Shanmugaratnam shared a photo of himself and Ittogi in a Facebook post. Photo from Facebook.

On 25 July 2023, Shanmugaratnam updated his Facebook profile picture with a photo of himself and Ittogi.[5] In the picture’s caption, Shanmugaratnam shared details of his marriage with Ittogi, dating back to when the couple first met at the London School of Economics.

Shanmugaratnam also went on to explain his wife’s upbringing, revealing that despite her Japanese heritage, she is not fluent in the Japanese language. He attributed this to her having been brought up in “a mainly Teochew-speaking kampong.” Ittogi has, however, been taking steps to improve her fluency.[5]

Shanmugaratnam ended his post by stating that he has been married to Ittogi for 33 years and has been “blessed with four children, each following their own path.” His post was positively received by Singaporean netizens, gathering at least 14,000 reactions, 619 comments, and 612 shares.[5]

Tharman Shanmugaratnam’s TikTok update (24 July 2023)

One day before his Facebook update, Shanmugaratnam posted a video on his TikTok account, where he and Ittogi chatted with a 97-year-old elderly woman named Mdm Wong at Teck Whye Market.[13]

In the video, Ittogi uses the Teochew dialect to converse with Mdm Wong. In response to a playful quip about how Shanmugaratnam “used to be handsome,” Ittogi responded with “jizun masee buay pai!”, which translates into “Now he is also not bad!”

References / Citations

  1. Zainalabiden, Fayyadhah. "Tharman Shares About Wife In Rare Facebook Post, She Runs NGO That Uplifts S’pore Residents”. Must Share News. July 25, 2023. Accessed 27th July 2023.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Shook Lin & Bok. "Jane Ittogi". Shook Lin & Bok. n.d. Accessed 27th July 2023.
  3. 3.0 3.1 3.2 Lee, Joshua. "Tharman shares 3 things about his wife, Jane Yumiko Ittogi”. Must Share News. July 26, 2023. Accessed 27th July 2023.
  4. 4.0 4.1 Tasek Jurong. “About Us”. Tasek Jurong. n.d. Accessed 27th July 2023.
  5. 5.0 5.1 5.2 5.3 5.4 5.5 5.6 Shanmugaratnam, Tharman. “Whenever my wife Jane was with me ....”. Facebook. July 25, 2023. Accessed 28th July 2023.
  6. Middle Temple. "Middle Temple: Home". Middle Temple. n.d. Accessed 28th July 2023.
  7. St. Margaret's School (Secondary). "Ms Jane Yumiko Ittogi". St. Margaret's School (Secondary). n.d. Accessed 28th July 2023.
  8. Zoom Info. "Jane Ittogi". Zoom Info. n.d. Accessed 28th July 2023.
  9. 9.0 9.1 9.2 Singapore Art Museum. "Singapore Art Museum Welcomes New Chair to Museum’s Board of Directors". Singapore Art Museum. April 5, 2018. Accessed 28th July 2023.
  10. 10.0 10.1 10.2 10.3 APSN. Our Patron—Ms Jane Ittogi. APSN. n.d. Accessed 3rd October 2025.
  11. 11.0 11.1 11.2 11.3 Istana.gov.sg. "The President—President In Office". Istana.gov.sg. n.d. Accessed 3rd October 2025.
  12. Ho, Olivia. "Edmund Cheng succeeds Jane Ittogi as Singapore Art Museum chair". The Straits Times. April 5, 2018. Accessed 28th July 2023.
  13. tharman.sg. "Taiji enthusiast, former samsui woman, Mdm Wong defies age at 97". TikTok. July 24, 2023. Accessed 28th July 2023.