Giselle Timmerman

Giselle Timmerman, MAPP, is a distinguished professional in leadership development and positive psychology, currently serving as the founder of Positive Work since 2014, where training and coaching for rising leaders and their teams are prioritized. As a lecturer at IESE Business School, Giselle teaches Coaching Skills for Executives and acts as an advisor for the Work & Organizations Division of the International Positive Psychology Association, focusing on bridging research and practice in positive psychology within organizational contexts. With extensive experience as an executive coach at Silicon Valley Change, Giselle supports top performers in driving impactful business changes. Previous roles include professorship at EAE Business School, leadership at Blue Garnet, production consultancy at Anthony Robbins Companies, and research at the University of Pennsylvania. Giselle holds a Master’s in Applied Positive Psychology and dual Bachelor’s degrees in Psychology and Sociology from New York University.