Profile

Technical Growth Marketing Manager in Tokyo, Japan

Shohei's Profile

Hi, I'm Shohei. A bilingual (JP/EN) Technical Growth Marketing Expert with 12 years of experience.

After building my expertise in programming and digital marketing overseas (US, Aus, etc), I returned to Tokyo to support growth marketing for global brands.

I apply AI automation and data science to marketing. I take a hands-on approach by building Python tools and analyzing data myself, to achieve rapid and accurate problem-solving.

Technical Skills

  • Programming ... Python, HTML/CSS, JavaScript, SQL
  • Data ... pandas, Machine Learning (scikit-learn), matplotlib, Statistical Analysis, Predictive Modeling, Excel, Google Sheets
  • AI & Automation ... LangChain, LangGraph, Marketing Mix Modeling (MMM), Selenium, API Integration, Google Cloud Run
  • Analytics ... GA4, Google Search Console, Data Visualization & Dashboard Development (Python)
  • Tools ... Claude Code, Cursor, Git & GitHub, Google Cloud & BigQuery

Github's Portfolio

Domain Expertise

  • Digital Marketing (12 years) ... SEO, SEM, Email, Loyalty Programs, Mobile App, Affiliate, Content Marketing
  • Industries ... D2C E-commerce (Retail), Hotels, Digital Media
  • Leadership ... Team Management (4 years), Budget Planning, Vendor Management
  • Languages ... Fluent in Japanese and English (lived in USA, Australia, Singapore, etc)

Media Appearances

Highlights of Achievements & Career Milestones

Shohei's Profile
  • 2012 ... Started web development career while attending TAFE SA vocational school in Australia
  • 2013 ... Joined e-commerce company in the Philippines, driving 4x revenue growth through data-driven marketing
  • 2014 ... Moved to Hawaii on H1B visa for digital agency role. Built and optimized 10+ websites, achieving #1 rankings and tripling hotel reservations
  • 2017 ... Returned to Japan to lead digital marketing and transformation at multiple global brands


Shohei's Profile
  • 2021 ... Took first Growth Marketing Manager role at global sports brand, and achieved 18% session growth and 44% impression growth YoY
  • 2023 ... Led D2C platform at global pet food brand, driving 15% revenue growth and 40% increase in new customer acquisition. Started learning Python, SQL, and data science. Analyzed 7,000+ customer feedback entries using AI APIs for strategic pricing
  • 2024 (Jan-Mar) ... Completed Le Wagon AI & Data Science Bootcamp (Python, Machine Learning)
  • 2024 (June) ... Joined global furniture retailer as SEO Specialist. Delivered 10% YoY organic traffic growth and 40% increase in non-brand sessions. Built AI automation tools and reduced annual agency costs by 1.5M JPY / month through in-housing with Python automation
  • Current Focus ... Developing Python-based AI agents to automate data analytics and marketing optimization

LinkedIn Profile

Courses & Certifications

  • Le Wagon Tokyo - AI & Data Science Bootcamp (Jan-Mar 2024) ... Python, pandas, NumPy, scikit-learn, TensorFlow, Machine Learning, Deep Learning
  • Google Project Management Certificate (Jun-Sep 2025) ... Project Management, Scrum, Agile Methodologies, Risk Management
  • TAFE SA - Web Development Course (Jun-Dec 2012) ... Vocational school in Adelaide, Australia. HTML, CSS, JavaScript, WordPress
  • Google Analytics Certifications ... Advanced Google Analytics, Google Analytics for Power Users
  • Digital Marketing ... Fundamentals of Digital Marketing (Google Digital Garage), Moz Academy SEO Course

Goals & Vision

Shohei's Profile

I drive business growth for global brands entering or expanding in the Japanese market, providing both holistic strategic design and hands-on technical implementation.

1. Marketing Automation with Python & AI
Currently, I utilize Python and AI to automate marketing operations ranging from content generation to reporting. My ultimate goal is to achieve the complete automation of all marketing workflows.

2. Data Science Approach to Marketing
I use data science to deliver high-precision solutions, eliminating the need for guesswork. My approach includes demand forecasting via machine learning, statistical campaign validation, and channel optimization using Marketing Mix Modeling (MMM).

Personal

  • Personality ... I get excited about new challenges and love learning something new every day. Data drives my decisions, but passion drives my work. Always curious, always digging deeper, always asking "what if we tried it this way?"
  • Favorite Quotes ... "Stay Humble", "More Rocking, Less Talking", "Stop complaining. Start collaborating".
  • Strengths Finder Results ... Maximizer, Input, Significance, Self-Assurance, Focus

Hobbies

  • Blogging ... Writing since 2013 with 500+ posts. Hit 200,000 monthly pageviews at peak.
  • Dance ... Currently learning New Jack Swing. I used to breakdance for 15 years.
  • Snowboarding ... Weekend trips to Niigata, focusing on ground tricks.
  • Language Learning ... Still taking weekly English conversation classes to stay sharp.
  • Cafe and Morning Routine ... Weekend mornings at local cafes with laptop and coffee—my favorite way to start the day.
  • Reading & Programming ... I am dedicated to continuous growth, reading about 20 books and taking 20+ Udemy courses each year to consistently master new skills.
  • Stock Investing ... I focus on researching and investing in individual AI and tech stocks, which keeps me constantly updated on the latest market movements and industry trends.

Let's Connect

If you are interested in collaborating on digital marketing, data analysis, or AI automation initiatives, I would love to hear from you. Please feel free to drop me a message with any questions or just to chat!