Estelle works best when companies need to drastically change the way they do business and grow aggressively. Spotter of current trends, she is a popular speaker at international conferences and facilitates strategic workshops around the world. As adjunct professor at McGill University, she teaches with Henry Mintzberg the International and National Advanced Leadership Programs and the International Master for Health Leadership and successfully introduced Competitive Intelligence into the McGill-Rottman School of Business's certification program for Canadian board directors, and into the new HEC-McGill Executive MBA. She is also a guest lecturer at International Masters Program in Practicing Management led by Lancaster University, McGill, the IMB (India) and INSEAD.