Kazunari Ohba
CPA (Japan)

A Certified Public Accountant (Japan).
Since May 2016 he joined an International Accounting Firm after working for an operating company. Based on his experience in tax operations and accounting audits in Japan, he is engaged in accounting tax consulting, support for tax investigations and tax trials, support for preparing transfer price documents, and support for accounting audits.

Kensuke Tanabe
CPA (Japan)

Within private equity funds, he primarily served as a director for multiple companies, including automotive parts manufacturers, engaging in the turnaround of portfolio companies. Also involved in the entire investment process, from planning to divestment. Additionally, at PwC Advisory LLC and Deloitte Touche Tohmatsu LLC, engaged in advisory services primarily involving valuation and PPA work, as well as statutory audits and IPO support. Also experienced an IPO as an issuer at Vector Inc. (currently listed on the Tokyo Stock Exchange Prime Market).

Shintaro Suzuki
Tax & Accounting & Legal Consultant

After graduating from university, he work at a bank.
He work in foreign exchange department, where he was mainly involved in foreign remittances and investment trusts.
After joining Keystone, he worked as a legal advisor, providing support for legal procedures, legal consulting, and translating legal documents.

Gaku Okada
Tax & Accounting Consultant

After graduating from university, he got a job at a non-ferrous metal manufacturer. He belongs to the Accounting Department and is engaged in accounting work centered on cost accounting and budget management. He was fascinated by the culture of Indonesia during his travels. After he joined Keystone, he worked as an accounting tax advisor.

Yasuko Takise
Tax & Accounting Consultant

After graduating from university, she got a job at a plastic manufacturing machine manufacturer. She engaged in domestic and international procurement operations. She has studied abroad in Indonesia for one year in high school and another one year in university. After she joined Keystone, he worked as an accounting tax advisor.

Shiori Itai
Tax & Accounting & Legal Consultant

While attending university, she studied abroad in Indonesia for one year.
After graduating, she worked in Japan and Jakarta before joining Keystone.
As a legal advisor, she is mainly engaged in legal procedural support, legal consulting, and legal document translation.

Keisuke Takahashi
Tax & Accounting Consultant

After working at an accounting firm in Thailand, he is currently working as an accounting and tax advisor at Keystone Consulting Group, where he supports clients with insights rooted in systems and practices, covering accounting and tax consultations, financial statement reviews, tax returns, transfer pricing documentation preparation, and tax audit.

Yuki Takaoka
Labor Consultant

She has more than 25 years of practical experience in personnel and labor affairs at a Japanese subsidiary in Indonesia.
Since 2001, she has acquired Indonesian nationality.
Responds to all aspects of personnel and labor matters, including the formulation of work regulations/labor agreements, the development of internal regulations, negotiations with labor unions, and handling labor disputes.
With including Japanese perspective, she is good at exploring the points of failure of Indonesian counterparts, proposing a countermeasure, etc.

Canrijon Limbong
Senior Manager Accounting & Tax

Canrijon Limbong is a Manager in Keystone with more than 11 years of working experience in Accounting Services and tax-related industries. He holds a Certification of Tax Consultant (BKP) with Grade A (Individual taxpayer) and Grade B (Corporate taxpayer). Canrijon is also a licensed tax attorney, in addition to representing clients in tax court.

Expert in Preparation of Financial statements, Advisory Reviewing Financial statements, Tax advisory, Tax disputes, international tax and tax compliance, and various industry sectors such as Manufacturing, Trading, Service, etc.

Firdaus Rifky Fanani
Manager Tax Dispute

Firdaus started his career after getting his degrees from University of Indonesia in September 2011.

He has gained extensive taxation experience and knowledge especially on tax litigation starting from tax audit until judicial review at Supreme Court. He also has wide experience in tax due diligence, tax review and tax advisory in various industries, such as manufacture, service, trading, information technology, and startups.

To keep his knowledge updated, he frequently attends taxation seminars and training. He is a member of the Indonesian Tax Consultation Association (IKPI), Tax Attorney in Tax Court and holds Grade C Tax Consultant License.

Joko Susilo
Manager Transfer Pricing

Joko has over 7 (seven) years of experience as a transfer pricing professional from a reputable consulting firm in Indonesia. As a transfer pricing specialist, he is responsible for providing a range of transfer pricing services to clients, such as Transfer Pricing Documentation, Transfer Pricing Risk Management, Transfer Pricing Dispute Resolutions, Transfer Pricing Advisory, and Other Transfer Pricing Services.

Throughout his transfer pricing consultancy career, Joko has served major multinational and national companies from various industries such as Samsung Electronics Indonesia, Astra Honda Motor, Angkasa Pura Tbk, Panin Sekuritas Tbk, Indika Energy Tbk, etc.

Charles Hendra Purba
Manager Accounting & Tax Consultant

He has expertise in Accounting and Taxation and has more than 15 years of work experience in Accounting and Taxation. More than half of his career experience is in consulting firms. He holds a Certified Tax Consultant (BKP/Bersertifikat Konsultan Pajak) with level A (Individual Taxpayer) and level B (Corporate Taxpayer).
Skilled in Financial Statement Preparation, Financial Statement Analysis and review, Tax Advisor in various industrial sectors such as Manufacturing, Trading, Services, etc.

Nurleni Simamora
Manager External Auditor

An experienced external auditor with an ability to lead a team in audit engagement, high integrity, motivation and innovation. Having several successful track records in conducting audit engagement from small to large scale local and foreign investment companies from several different industries.

Started her career as an auditor in a second tier Public Accounting Firm for 3 years then moved to a big 4 Public Accounting Firm for 2 years and joined this Company since 2018. Auditing both listed and unlisted entities for around ten years of various industries has been a valuable experience for her.

Expert in financial statements audit and preparation, GAAP, PSAK and general tax of various industries.