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Will Thalheimer
Principal
TiER1 Performance
Will Thalheimer, PhD, MBA, is a world-renowned speaker, writer, researcher, and consultant
focused on research-based best practices for learning design, learning evaluation, and
presentation design. At TiER1, Will works with multi-capability teams helping organizations
activate their business and learning strategies—through their people. Prior to TiER1, Will
founded and ran Work-Learning Research for 22 years, where his research reviews are still
available. Will wrote the award-winning book Performance-Focused Learner Surveys
(second edition); created LTEM, the Learning-Transfer Evaluation Model, the Presentation
Science Workshop, and co-created the eLearning Manifesto. Will has the honor of being a
Learning Guild Master.