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.