T. Shiroiwa — Project Consultant

Project Consultant for Japan,
International Business & Strategy

I help individuals, companies, and teams move ideas into action.
From Japan market research and business support to strategy consulting
and story development — practical support grounded in real experience.

Contact Services

USC Alumni Trading Company 8yrs Gov't ODA Projects Former CTO Business Builder Screenwriter

Who I help

I can help if you need to

Enter or understand the Japanese market

Organize a business idea or project

Get research and operational support in Japan

Find a practical partner who can think and execute

Develop stories, scripts, or creative concepts

Get a reliable second opinion on your strategy

Services

What I offer

01 — Brain Rental

Brain Rental / Strategic Advisory

A thinking partner for business ideas, decision-making, planning, and problem-solving.

02 — International

International Business Support

Research, coordination, operations, and execution support for clients working with Japan.

03 — Project

Project Development

Support for new ventures, digital projects, e-commerce, marketing, and business structuring.

04 — Story

Screenwriting / Story Development

Scripts and story support for films, TV dramas, YouTube, and other media projects.

About

T. Shiroiwa

Project Consultant / Brain Rental

With over 8 years at a Japanese trading company managing government ODA projects across Oceania, Africa, and Central Asia, I went on to build my own company — launching women's media, e-commerce, and ad platforms. As former CTO of a color contact lens and cosmetics maker, I now provide consulting for private clients, businesses, and government, alongside screenwriting.

University of Southern California Alumni
8 years at a Japanese trading company
Built women's media, EC, ad platforms
Former CTO, cosmetics & contact lens maker
Private, business & government consulting
Screenwriting & story development

Why work with me

Strengths

I understand both Japan and international business contexts

I combine strategy with practical execution

I work across business, technology, planning, and storytelling

I turn unclear ideas into concrete next steps

Process

How it works

Contact

Review

Consult

Proposal

Start

Pricing

Initial consultation

Free(15 min)

After that

You decide the price

After each session, you decide what the consultation was worth to you.
Pay what you believe is fair. That's how Brain Rental works.

Project Consultant for Japan, International Business & Strategy