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Testimonials

Clients share their reasons for seeking coaching, the impact, and their impressions of Karin as a coach.

Karin Holley smiling
Katie Wellbrook

Working with Karin has brought invaluable insight. She has a subtle but very effective way of helping me unpack complex decisions and ideas, creating space for clarity and forward momentum. I feel more confident in my decisions, clearer in how I navigate conflict, and far more aware of my patterns as a leader.

Katie Wellbrook

Vice Principal St. Joseph’s Institution International, Singapore

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Rodette van Dunne

Karin is an exceptional trainer — thoughtful, well-prepared, and inspiring. She combines theory with practical tools, helping teams not only to understand but also to apply what they learn. Her sessions are interactive, reflective, and always focused on real classroom situations. She has a wonderful balance between structure and flexibility, keeping everyone engaged and motivated.

International Waldorf School The Hague - Training - Rodette van Dunné

Principal

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For a long time, I knew I needed to prioritize myself, but I struggled to do so. In my role, I coach others daily to help them achieve their professional and career goals, yet I realized I needed similar support and guidance for myself. Coaching has helped me feel more balanced, resilient, and at peace with myself.

Pauline O’Brien

Director of Global Recruitment Strategy and Leadership at International School Services

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I sought an external perspective on work-related challenges. The coaching has led me to being better prepared to handle resistance and avoid controlling conversations, allowing for more productive and empowering discussions.

Tanya Sancisi-Vellekoop

Country Director and Director Mobility at Arcadis

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