Team

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Managing Partner

Takeshi Koike

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Certified Public Accountant

Takeshi graduated from renowned Tokyo University of Foreign Studies with a Bachelor of Foreign Studies (Korean Linguistics major). He started off his career with Samsung Japan and was engaged in corporate planning. He then built his career at Deloitte Tohmatsu as an international accountant. He has supported many major Korean companies at Deloitte.
In 2018, Takeshi founded Itseki Group.

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Managing Partner

Kota Kosuge

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Certified Public Accountant

Kota graduated from renowned Hitotsubashi University with a Bachelor of Economics degree.
He built his professional career at Deloitte Tohmatsu and PwC, and was involved in many accounting/tax projects including..

- Financial audits of listed financial institutions (i.e. banks)

- Internal control consultation

- Tax due diligence


In 2018, Kota founded Itseki Group.

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India Desk Partner

Ankit Jain

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Chartered Accountant

Ankit is a Bachelor in Commerce from University of Delhi and a fellow member of Institute of Chartered Accountants of India, New Delhi. He holds a Diploma in Information System Audit. He is also certified in IFRS and Forensic Accounting and Fraud Detection. He lately qualified with ICAEW as well.

Ankit worked with the Big 4 accounting firms (Pricewaterhouse Coopers India and Canada) and MNCs (American Express, India and Japan).

Ankit is a managing partner of Itseki Mercurius India Advisory Services Pvt., Ltd. and AJSH & Co LLP.

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Managing Partner

Toshiaki Susaki

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Certified Public Accountant

Toshiaki graduated from renowned Hitotsubashi University with a Bachelor of Commerce degree. He built his professional career as an international accounting/tax consultant at Deloitte Tohmatsu and PwC.
In 2018, Toshiaki founded Itseki Group.

He currently provides highly professional international services to both Japanese and foreign firms. He is bilingual in English and Japanese as he grew up in the U.S.

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Managing Partner

Tomoya Shimada

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Certified Public Accountant

Tomoya graduated from Kyushu University with a Bachelor of Law degree.

He built his professional career at Deloitte Tohmatsu, and was involved in many accounting/tax projects including…

- Financial audits of various industries.

- Introduction of IFRS and US GAAP.

- Post Merger Integration

- Establishment of internal control system.

- Forensic accounting.

 In 2018, Tomoya founded Itseki Group.   

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India Desk Partner

Siddhartha
Havelia

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Chartered Accountant

Siddhartha is a Bachelor in Commerce from University of Delhi and a fellow member of Institute of Chartered Accountants of India, New Delhi. He is also certified in accounting software like QuickBooks, Xero, FreshBooks, Wave and Zoho Books. He lately qualified with ICAEW as well.

 

Siddhartha worked with Big 4 accounting firms (Pricewaterhouse Coopers India and Grand Thornton, India) and MNCs (American Express, India).

Siddartha is a managing partner of Itseki Mercurius India Advisory Services Pvt., Ltd. and AJSH & Co LLP.

Councel

Takashi Miyauchi

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Financial Specialist

Takashi graduated from renowned Osaka University with a Bachelor of Engineering Science degree.
After graduation, Takashi joined Fuji bank (current Mizuho bank).
Takashi then joined Deloitte Tohmatsu and became a partner in 2008.
He leaded risk management advisory services with his indepth knowledge of finance.
Takashi is take part in Itseki as a counselor.

Adviser

Koji Matsui

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Certified Public Tax Accountant

After graduating from Kanazawa University's Faculty of Law and Literature, he joined the Tokyo Regional Taxation Bureau.

 

After about 20 years of experience in property tax administration at a tax office, he became an inspector of national taxation in the asset taxation department at tax offices in Chiba and Tokyo.

As an advisor to the Itseki Group, he reviews and advises on services related to business succession and inheritance tax.