Join our mission of awareness, hope, and healing.
By signing up, you’ll become part of the GP BOSSE 4 FOUNDATION community — a growing network of supporters dedicated to raising awareness and advancing hope and healing for those affected by SJIA (Systemic Juvenile Idiopathic Arthritis) and MAS (Macrophage Activation Syndrome).
You’ll be added to our newsletter distribution, where you’ll receive:
- The latest research updates and medical insights,
- Invitations to charity events and community initiatives, and
- Stories of impact and resilience from families and individuals touched by SJIA and MAS.
Privacy: We only use your contact information to coordinate volunteer opportunities and event updates. We do not sell or share your data.