About
TEAM Guillaume Dulude Jérémy Lapierre Valérie Gendreau Julie Harpin Justin Jung Ines Tajuelo Guillaume Dulude, PhD is a best-selling author specializing in the psychology of human relations, interpersonal communication strategies and leadership development. Guillaume has been studying, practicing and teaching communication psychology, interpersonal skills and leadership development strategies for 20 years. he holds a bachelor’s […]