Mentor

Liberte Inc.
CEORyoko Kawasaki
She is a Certified Public Tax Accountant. After working for 18 years at KPMG Tax Corporation and other professional firms, she established her own practice in April 2020. She has supported more than 1,000 corporate and individual clients with tax filings, financial closings and accounting-related matters.
Ryoko currently leads “Watashi no Common SEN,” an entrepreneur support platform operated together with 10 professionals, including tax accountants, lawyers and other specialists. In 2025, the platform supported 74 entrepreneurs and businesses, providing a total of 229 support opportunities to sole proprietors, start-ups and incorporated companies.
Her areas of expertise include business planning at the start-up stage, organising financial figures for fundraising, advising on incorporation, and designing practical management systems aimed at achieving profitability. Drawing on her extensive tax and accounting experience, Ryoko provides hands-on mentoring that helps entrepreneurs translate their ideas into viable business plans, understand their numbers, and build a stronger foundation for sustainable growth.
Introduction of Mentor
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iiba,inc
CEONana Aizawa -

Mentor For
CEOMasako Ikehara -

Administrative Scrivener Corporation GOAL
CEOTakahiro Ishige -

DOZAN PARTNERS
Director & CEO / Co-founderTomo Izumi -

PLAY,Inc.
CEOOsamu Ise -

Hasshinkaigi.inc
CEOChie Inoue -

BROWN SUGAR 1ST Inc.
CEOMidori Ogino -

KEEN inc.
Founder&CEOKazuha Ogura -

Eirene Management School
FounderTakanori Kashino -

Liberte Inc.
CEORyoko Kawasaki -

COGNITEE Inc.
Founder&CEORie Kawano -

First Brand Inc
CEOFumiko Kawamoto -

HAKOBUNE
Founding PartnerYusuke Kurishima -

Genesia Ventures, Inc.
Head of ImpactMichiko Kohyama -

Koshiworks Inc.
CEOYojiro Koshi -

Crafter, Inc.
CEOMaiko Kojima -

Reelu Inc.
CEOShu Konno -

MIYAKEZAKA SOGO LAW OFFICES
LawyerNaoki Sato -

nae Inc.
CEOYuki Shinohara -

Biz Freak.inc
CEOYuhi Taira -

Stroly Inc.
President and Co-CEOMachi Takahashi -

Waris Inc.
Co-CEO / Co-FounderMiwa Tanaka -

WORKPARK Inc.
CEOAnri Tomita -

Avinton Japan K.K.
CEOSachiko Nakase -

YOUR MEAL Co., Ltd.
Founder/CPOMariko Nishikawa -

N.FIELD Inc.,
CEOEriko Nonaka -

Waveland Group Inc
CEOAina Hatano -

Capital Medica Ventures
CapitalistHitoshi Hiraoka -

SailStep,inc
CEOAyumi Hirano -

NY Marketing Business Action, Inc. / Global Press Japan (Media)
President and CEOHiroko Furuichi -

WHITETREE HEALTH AND BEAUTY.PTE.LTD.
CEOMegumi Florence -

Bogaki Studio
PresidentKana Bogaki -

Oikaze Ventures
General PartnerMisuzu Matsumoto -

MOTHERHOUSE Co., Ltd.
Vice PresidentDaisuke Yamazaki -

Earthboat inc
CEOGo Yoshiwara -

01 Booster, Inc.
Executive OfficerShinryo Ozaki -

01Booster Holdings, Inc
Managing Director CEONorifumi Suzuki -

01Booster Capital Inc.
General PartnerFuyuki Tachiyama -

01Booster Holdings, Inc
Managing PartnerShinsuke Hamamiya

