Unlocking your
Business Potential
Practical, data-informed solutions grounded in Industrial Engineering and hands-on experience across business development, marketing analytics, and project management.
Our Mission
We believe data can reveal patterns, clarify priorities, and support better decisions. KEY applies structured analysis to turn complex business questions into practical recommendations and implementation plans.
Mayuko Katsuki
Founder, Katsuki Enterprise Yield
About KEY & Our Founder
Built on Industrial Engineering and applied business experience.
Katsuki Enterprise Yield (KEY) was founded by Mayuko Katsuki, an Industrial Engineering undergraduate at Institut Teknologi Sepuluh Nopember (ITS). Her experience spans business development and project management as CEO of Dream Guide, digital marketing analysis at Telkomsel Area III Jawa-Bali, and trilingual coordination in Indonesian, English, and Japanese.
Her work combines data analysis, structured problem-solving, cross-functional coordination, and practical execution to support well-grounded business decisions.
Bahasa Indonesia
English
日本語 Japanese
Our Services
Structured Support for Business Decisions
KEY brings together data analysis, business strategy, operations, and project execution to address clearly defined business needs.
Data Analysis & Business Insights
Analyzing available data to identify patterns, performance gaps, and practical implications for decision-making.
Growth & Market Entry Support
Supporting market research, competitor analysis, partnership development, and structured expansion planning in Indonesia and Japan.
Process & Operational Improvement
Mapping processes, identifying bottlenecks, and prioritizing improvements to strengthen efficiency and execution.
Project & Digital Solution Development
Translating business needs into structured project plans and appropriate digital solution concepts.
Profiles & Selected Work
Explore Mayuko's Background and Work
Review the founder's latest CV, KEY's service proposal, and two curated portfolios covering analytical case studies and broader academic and professional work.
Mayuko Katsuki - Latest CV
Updated education, experience, certifications, activities, competitions, and technical skills.
KEY Proposal Deck
An overview of KEY's services, working approach, and collaboration framework.
Dari Data ke Dampak
A focused collection of data analysis and business strategy case studies.
Jejak Karya
A 220-page portfolio documenting nine academic and professional works from Semesters 3 and 4.
Let's Discuss Your Business Challenge.
Share the context, objective, and constraints. KEY will help structure the problem and identify a practical next step.