Youssef Sfeir

The Founder

Youssef Sfeir is an international legal expert, mediator, and organizational strategist with over 25 years of experience across global institutions, including the United Nations, the International Movement of the Red Cross and Red Crescent, and the Corporate Sector. His career spans international public and private law, conflict resolution, humanitarian diplomacy, organizational reform, and governance.

Renowned for his strategic insight, negotiation acumen, and multidisciplinary approach, Youssef has led high-impact legal and policy initiatives in some of the world’s most complex political and humanitarian environments. As a certified mediator, he has facilitated dialogue, resolved complex disputes, and supported conflict-sensitive decision-making across diverse institutional settings. In parallel, he has contributed to reform initiatives in areas such as disaster management, electoral processes, and rule-of-law programming.

His work integrates legal precision, emotional intelligence, and systems thinking, making him a sought-after advisor for change-driven institutions navigating transformation.



The launch of PolySphere Consultancies marks the natural evolution of his professional journey: a platform where his global experience, socio-economic management expertise, and personal vision converge to serve a new generation of clients, with integrity, innovation, and impact.