Meet the Experts

A team of board-certified medical professionals and consultants committed to excellence in lab oversight, compliance, and innovation.

Michael J. Bauer, M.D.

Founder and CEO

  • Board-certified pathologist with 30+ years in clinical pathology, transfusion medicine, and tissue banking

  • Nationally recognized expert in infectious disease consulting, lab diagnostics, and regulatory compliance

  • Certified Tissue Bank Specialist (CTBS) through the American Association of Tissue Banks (AATB)

  • Holds medical licenses in all 50 U.S. states + D.C.

  • Serves on Standards and Accreditation Committees for CAP and AATB

  • Educated at Loma Linda University (B.A. & M.D.); trained at University of Colorado Health Sciences Center

  • Honored with the George W. Hyatt Memorial Award for contributions to tissue transplantation and medical education

  • Provides nationwide consulting to labs, tissue banks, and healthcare organizations focused on compliance and quality standards

Donald J. Chaffin, M.D.

Associate Medical Director | Transfusion Medicine & Pathology Specialist

  • Board-certified in Anatomic & Clinical Pathology and Transfusion Medicine

  • Decades of experience in medical consulting, education, and lab oversight

  • Earned M.D. and B.S. from Loma Linda University

  • Completed residency at the National Capital Consortium

  • Holds active medical licenses in 8 states

  • Extensive leadership in blood banking and transfusion safety

  • Known for clinical precision, regulatory insight, and lab compliance expertise

Daina Haas, MBA

Vice President & Administrator | Healthcare Business Operations Specialist

  • Leads business operations, strategy, and administration for MJB Services

  • Holds an MBA from Mercyhurst University and BBA from Andrews University

  • Former healthcare executive with leadership roles in multiple hospital systems

  • Specializes in organizational development, compliance, and efficiency improvement

  • Brings deep expertise in healthcare administration and operational leadership

  • Key contributor to MJB’s commitment to excellence in pathology consulting

Our Approach to Medical Consulting

At MJB Lab Consulting, our approach is rooted in clinical precision, regulatory expertise, and ethical leadership. We believe that every healthcare organization deserves access to physician-led consulting that is both personalized and backed by real-world laboratory and pathology experience.