I am a ChamPIon - Inspirational stories about living with PI from Supercross racer Carl Schlacht and people like you.

I am a supercross racer and I have PI. -Carl Schlacht. Read Carl's story.
  • Joanna TSurvivor
  • Ashley WMedical Doctor
  • Christy SRetired nurse and grandmother
  • Lori CMother of 2 and supervisor at a busy OB-GYN practice
  • Lynne DSenior Student
Your immune system keeps you healthy by fighting off germs. But people living with primary immune deficiencydisease have an immune system that is not working correctly.

    • Carls Story

      Carl’s Story

      Carl Schlacht was diagnosed with PI as a child. Today, Carl is a ChamPIon–serving as an advocate for those living with PI while competing as a professional Supercross racer.

    • About PI

      About PI

      Primary immune deficiency disease (PI) constitutes a group of more than 150 genetic disorders that affect the immune system.

    • Newsroom

      Newsroom

      You can find I am a ChamPIon campaign announcements and a sampling of news media coverage.