With seven nationalities and eleven languages between them, the ISF Secretariat is a truly international team with a global outlook.

Based in Nyon, Switzerland and led by the Secretary General, the ISF Secretariat consists of a technical team responsible for the areas of  ‘Our Work’, and specialist personnel who manage ISF’s communications, events, accounts and administration.

Michael Keller

Michael Keller

Secretary General

Michael Keller is Secretary General of the International Seed Federation (June 2014 to present), focusing on the vision of a world where quality seed is accessible to all farmers to support sustainable agriculture and food security. In line with ISF’s mission, Michael is engaged in creating through collaboration an enabling environment for the private seed sector. Through long-standing involvement at national and international levels, he has an extensive knowledge and understanding of cooperation within the private sector and with non-governmental and civil society organizations. His field of expertise spans a wide range of topics including seed, agriculture, food security, Sustainable Development Goals, law, policy and advocacy. Prior to joining ISF, Michael worked in the French Senate as a Parliamentary Advisor, as Head of European and International Affairs of the Mayor’s Association of France and in different positions at DuPont de Nemours and Pioneer Seed. Michael studied law in Germany (Law State examination) and holds a post-graduate in law from the Paris-Sorbonne University. He spent time in Switzerland, Tunisia and France for trainings in international law and political science.

Marie tahmazian

Finance & Member Engagement Manager

Marie Tahmazian earned her degree in Chemistry specialized in formulation from the French Science University of Montpellier. After spending a gap year in UK, she had the opportunity to work for Syngenta Jealott’s Hill International Research Centre in the UK as a formulation chemist in crop protection. After taking a break from her professional life to raise her two kids while moving to different countries, Marie transitioned back into the workplace and pursued an Accountancy degree in Switzerland. She spent some years in an accounting firm in France before finally joining ISF in December 2013 as an accountant, where her role gradually grew to include engagement with members like national seed associations and seed companies.

Szabolcs Ruthner

Regulatory Affairs Manager

Rose Souza Richards

Seed Health Manager

Hélène Khan Niazi

International Agricultural Manager


Communications Manager

Bénédicte Leblas

RPLI Coordinator

Camille Beronie

Events Coordinator

Airah Cadiogan

Digital Media Associate