Guillaume is a seasoned international industry leader who has demonstrated a strong ability to deliver growing financial performance and public health impact.

Thanks to his passion, openness, energy and deep interest in connecting diverse people together, he successfully developed a robust track record in transforming organizations, developing talents, managing breakthrough scientific innovations, leading epidemic and pandemic responses and navigating highly complex environments. He spent 15 years in Latin America based in 4 different countries.

He is the founder and president of Global Life Sciences Advisory since 2021, advising board of directors, executive teams and International Organizations. He is CEO of EdJen Biotech and member of the board of ICW Healthcare Ventures in the USA. He also served as board member of Dillico in France.

Doctor in pharmacy with multiple executive trainings at ESCP, Wharton, INSEAD and recently MIT, he started his career at Sanofi Pasteur in Brazil, successfully launching the first Influenza vaccination program. He then took on growing P&L accountability at both country and regional levels in Africa, French Oversea Territories and finally Latin America. Under his leadership and public health focus, Sanofi Pasteur Latin America became the n° 1 leading vaccine company recognized for having set successful strategic industrial partnerships with state-owned companies in both Brazil and Mexico as well as having led the H1N1 pandemic response, providing vaccines for 20% of the whole population of Latin America.

Returning to France in 2011, he experienced the entire development of the first in class Dengue vaccine, from Phase II up to the first marketing authorization and WHO recommendation by developing a unique dedicated cross functional organization. He became CEO and President of Sanofi France with the full accountability of the commercial operations, executing the transformation roadmap of the group and representing the 25000 employees with the unions, authorities and professional organizations. He has been nominated Qualified Member of Executive Council of the MEDEF, President of different country commissions at MEDEF International and Board member of the LEEM. He ended his Sanofi experience by preparing the Global Societal Impact Strategy Roadmap of the group in 2020.