Klaas Toes Author

Patti P. Phillips, Ph.D., CEO of ROI Institute, an award-winning author, coach, and thought leader in measurement, evaluation, and human capital analytics, leads the global implementation of the ROI Methodology.

Jack J. Phillips, Ph.D., chairman of ROI Institute, is a world-renowned thought leader in the field of human resources. His proprietary ROI Methodology is the most applied measurement approach worldwide.

Klaas Toes, MSc., founder and director of ROI Institute Europe, is a sought-after speaker, respected author, and experienced pioneer in the human capital, people analytics, and leadership fields.