IxDF Certificate of Completion

Design Thinking: The Ultimate Guide

IxDF Course Certificate awarded to Koichiro Doi for completing the "Design Thinking: The Ultimate Guide" course

The Interaction Design Foundation (IxDF) hereby certifies that the IxDF Course Certificate (ID #a6cb570a-c3bc-4ad2-801a-ad2de22cbe91) has been conferred upon Koichiro Doi in formal recognition of completing evidence-based curricula taught by industry leaders, to the standards established by the IxDF Educational Codex. View Course Curriculum.

This document serves as the official record of the above credential. Third parties may reference the certificate ID to verify its authenticity. The Interaction Design Foundation maintains permanent records of all credentials issued.

Verified Competencies Demonstrated by Koichiro Doi

By completing this curriculum to the standards of the IxDF Educational Codex, Koichiro Doi has demonstrated mastery of how to:

  • Apply an iterative, user-focused design process to generate innovative ideas for complex, ill-defined problems.

  • Lead projects through the five stages of design thinking: Empathize, Define, Ideate, Prototype, and Test.

  • Employ user research techniques like interviews, observations, and cultural probes to ground decisions in authentic behaviors, habits, and goals.

  • Build empathy with target users by setting aside assumptions and applying methods like the 5 Whys and What-How-Why.

  • Turn research into actionable insights through empathy maps, affinity diagrams, and personas.

  • Frame Point of View (POV) problem statements and "How Might We" questions that guide teams toward focused, human-centered solutions.

  • Facilitate productive ideation sessions using brainstorming, brainwriting, SCAMPER, and Worst Possible Idea techniques.

  • Evaluate and select the strongest ideas using methods like dot voting, the Four Categories method, and the Now Wow How Matrix.

  • Prototype solutions rapidly and early using low-fidelity approaches that accelerate learning and reduce risk.

  • Test and refine concepts with users to validate relevance, usability, and fit to real needs.

  • Ensure design solutions are desirable as well as feasible and viable for real-world implementation.

  • Map and manage stakeholders to align design work with business objectives and team priorities.

  • Initiate a customer-centered working culture that aligns teams around sustainable, holistic value creation.

  • Collaborate effectively in cross-functional teams to drive innovation and creative problem-solving.

Koichiro Doi

Koichiro Doi

UX MANAGER

Chofu, Tokyo, Japan
  • IxDF Top 10%
 Course Taker
    IxDF Top 10% Course Taker distinction: Completed an IxDF course with a score of 90%
  • IxDF Master
 Class Learner
    IxDF Master Class Learner distinction: Completed one or more IxDF Master Classes
  • IxDF Certified
 Course Completer
    IxDF Certified Course Completer distinction: Completed one or more IxDF Courses.
  • Potential future IxDF Distinction
  • Potential future IxDF Distinction

IxDF Distinctions

Distinctions are conferred upon Koichiro Doi in formal recognition of their notable achievements and contributions, as stipulated by the IxDF Educational Codex.

IxDF Certified
 Course Completer Distinction IxDF Certified Course Completer
Completed one or more
IxDF Courses.
IxDF Master
 Class Learner Distinction IxDF Master Class Learner
Completed one or more
IxDF Master Classes
IxDF Top 10%
 Course Taker Distinction IxDF Top 10% Course Taker
Completed an IxDF course
with a score of 90%

Certificates Earned
by Koichiro Doi

IxDF Course Certificates are awarded to Koichiro Doi in formal recognition of completing evidence-based curricula taught by industry leaders, to the standards established by the IxDF Educational Codex.

IxDF Master Class Certificates Earned

IxDF Master Class Certificates are awarded to Koichiro Doi in formal recognition of their attendance and ongoing commitment to learning from industry leaders.

IxDF Membership Certificate

This IxDF Membership Certificate (ID #mc_VJxjfj18W) has been issued to Koichiro Doi in formal recognition of their membership of the Interaction Design Foundation (IxDF).

The authenticity of this membership certificate can be verified on this permanent link.

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