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Comprehensive Review of the HR Development Internship

On November 15, 2025, Trustyyle, located in Chuo-ku, Tokyo, concluded its series of workshops focusing on the effectiveness measurement in training through its "Training Development Internship". This final session, aptly named the "Effectiveness Measurement Edition", was structured to provide a hands-on experience regarding the strategic processes involved in accurately gauging training outcomes.

The event was hosted by the HR Community "HR Library", and featured insightful lectures and workshops from industry experts, including Yuta Akasaka from Future Corporation and Keita Inaguma from the Management Learning Institute. They shared their knowledge and actionable strategies related to measuring training effectiveness, ensuring a highly engaging and successful conclusion to the internship series.

The Necessity of Measuring Training Effectiveness

The HR Library serves as a vibrant community where HR professionals gather to learn and share practical insights on specific challenges in the human resources field. One of the shared pain points among participants centers around measuring the impact of training programs. The common dilemma arises when organizations invest in training but struggle to justify the outcomes to management and the respective teams.

To address this concern, the HR Library launched the "Training Development Internship," which comprises a series of three sessions tailored to comprehensively cover the fundamental principles and advanced techniques of training design. The final installment concentrated specifically on effectiveness measurement, emphasizing that it is not limited to just collecting surveys but involves a thorough evaluation and improvement process, guided expertly by Akasaka and Inaguma in collaboration with the participants.

Profiles of the Speakers

Yuta Akasaka:
Akasaka brings over 11 years of experience in talent development and organizational growth at Future Corporation, a consulting firm. He has led innovative onboarding programs for over 100 new hires three times a year. Akasaka's mission is to empower both individuals and organizations to maintain their growth autonomously. He regularly shares his insights on personal development and organizational strategies through his blog. In his personal life, he enjoys watching J-League matches and is a father to a fourth-grade son.

Keita Inaguma:
As the representative director of the Management Learning Institute, Inaguma has dedicated 17 years in large SIer firms to talent development and recruitment. His mission focuses on facilitating self-realization through work and he organizes workshops aimed at adults seeking to learn and grow. With qualifications as a career consultant and an MBA, Inaguma balances his professional life with personal interests in climbing, marathons, and triathlons.

Feedback from Participants: Valuable Takeaways and Immediate Application

Post-event surveys reflected outstanding engagement, with attendees expressing appreciation for the practical nature of the insights. Many found significant value in the knowledge shared on transforming abstract concepts of effectiveness measurement into concrete frameworks.

Selected Participant Comments:

• - "I felt grateful for the clarity provided on previously vague concepts. The importance of designing training that commits to behavioral change was emphasized, particularly regarding survey design."
• - "I realized that rather than evaluating through standalone surveys, assessments should loop back to both external and internal designs of the training program."
• - "The presenters’ approachable styles made the experience relaxing, and it underscored the importance of understanding the intent behind what is being measured."
• - "The organization of insights allowed for immediate implementation in upcoming training sessions, which seemed almost a steal at no charge!"

The comments indicate a depth of understanding gained regarding design considerations and stakeholder awareness, enriching participants’ learning experience on various levels.

Major Outcomes and Future Prospects: Community and Systematic Learning

This event personified the HR Library's mission of "Opening Futures Through Learning Together", demonstrating the growing demand among HR professionals for structured knowledge and actionable skills.

Through the comprehensive nature of the Training Development Internship, participants have grasped a holistic view of the training design process from external and internal perspectives, concluding with effectiveness measurement. Going forward, the HR Library aims to maintain the momentum by continuing to provide systematic learning opportunities via detailed courses similar to this internship, while also expanding into other HR domains like organizational development, HR technology, and human capital management.

About HR Library

Set to open on April 1, 2024, in Nihonbashi, Tokyo, HR Library will serve as a co-working space dedicated to HR professionals, boasting over 2,500 titles on human resources and more than 700 members. Operating under the tagline "Open Futures Through Learning Together", the HR Library aims to facilitate valuable learning and networking opportunities.

Location: Chuo-ku, Tokyo, Nihonbashi Kakigaracho 1-12-7, WACROSS NINGYOCHO 6F
Established: April 1, 2024
Official Website: HR Library
Official Public Accounts:

• - X
• - LinkedIn