About NRABT
Behind the Expertise
Advancing Together in Autologous Blood Therapy
NRABT provides ongoing documentation of its members’ education and professional development, creating a verifiable, trusted record of achievement in autologous blood therapy.
Membership in NRABT connects practitioners with a nationwide community of credentialed professionals, offering CEU tracking, continuing education resources, and peer recognition.
NRABT actively promotes all aspects of autologous blood therapy — from PRP and PRF to stem cell processing and autotransfusion — advancing standards across the profession.
Company History
Our Story
April 1991
PRFUZN Founded by Pat Courtney
Licensed Perfusionist Pat Courtney establishes PRFUZN in April 1991 to advance the quality of autotransfusion, PRP, PRF, and stem cell services across the country.
1991 – 2000s
Building a National Standard
NRABT establishes the ABTC-SC certification program, creating a rigorous national standard for autologous blood therapy education and credentialing.
2000s – 2024
Growth & Recognition
NRABT grows as the central hub for ABTC-SC coursework, credentialing, and continuing education for autologous blood therapy professionals nationwide.
May 2024
Honoring Pat Courtney’s Legacy
Following Pat’s passing in May 2024, Tonya Nuelle and Gary Koenig continue his mission under Atlanta Autotransfusion and Biologics LLC, committed to the standards he built.
Today
Setting New Benchmarks
NRABT and PRFUZN continue to lead the field with peer-reviewed publications, international presentations, and the ABTC-SC certification program.
Leadership
Meet the Team
Two of the field’s most credentialed professionals, carrying Pat Courtney’s legacy forward.
Gary Koenig
President, Comprehensive Blood Management Inc.
CCP
LP
CPBMS
RABT
CHP
LP
CPBMS
RABT
CHP
Graduate of MUSC in cardiovascular perfusion (1994). AABB Assessor and published author in the Elsevier Transfusion & Apheresis Journal. International presenter with 21+ years leading Comprehensive Blood Management, Inc. Gary has been instrumental in advancing autologous blood therapy standards nationally and internationally.
Tonya Nuelle
Co-Founder, Atlanta Autotransfusion & Biologics LLC
RRT
PBMS
RABT
PBMS
RABT
Nearly 30 years in blood management and biologics. AABB assessor and consultant for 10+ years, focused on autotransfusion, platelet gel, PRF, and stem cell therapy across hospitals and healthcare systems. Tonya brings deep clinical expertise and a commitment to elevating professional standards in the field.