Scientific Advisory Board
- James E. Cleaver, Ph.D.
- Professor Brian Diffey
- W. Clark Lambert, M.D., Ph.D.
- Joseph Malak, MD
- Alain Sarasin, Ph.D.
- Daniel B. Yarosh, Ph.D.
The XP Society is the international authority for XP family support and information in making intelligent decisions in the caregiving of the XP family member.