Stem Cell Transplant and Cellular Therapy Program Care Team

Program Director

Assistant Director

  • Sheila Ouverson, MPA

Transplant Physicians

Physician Assistants and ARNPs

Transplant Coordinators

  • Julie Aschenbrenner, RN, BSN, OCN, CHTC
  • Lizbeth Kaufman, RN, OCN, CHTC
  • Paula Maddy, RN
  • Annette Norland

Patient Education

  • Paula McCue RN, MA, OCN
  • Jim McCollough

Social Service

  • Courtney Vassilades


  • Alexa Welch

Financial Coordinators

  • Kerri Fitch
  • Tammy Hatland

Data Coordinators

  • Nghi Luu
  • Brenda Miller, RN
  • Allyson Schultz


  • Susan Fajardo, PharmD, RPh
  • Meradith Ginn

Clinic Nurses

  • Jacque Gingerich
  • Sherry Hall


Manager, Iowa Donor Services Program

  • Colleen Reardon, MBA, CHTC

Donor Coordinator

  • Rhonda Evans, MSN, RN, BMTCN, OCN

Inpatient Nurses

  • Kristen Andresen, Assistant Nurse Manager
  • Shannon Hunger, RN, BSN

Discharge Navigator

  • Sarah Johanns

Research Nurses

  • Karen Parrott
  • Pam Zehr

DeGowin Blood Center

  • Annette Schlueter, MD, PhDMedical Director of Patient Services and Tissue and Cellular Therapies
  • Laura Collins, RN, BSN, HP(ASCP), Assistant Manager, Donor Collections and Patient Services
  • Beth Alden, MT(ASCP), Medical Laboratory Scientist Supervisor, Tissue and Cellular Therapies
  • Denise Baird, MT(ASCP), CQA(ASQ), Quality and Operational Improvement Engineer
  • Stacey Figgins, Patient Services Supervisor
  • Albert Andersen, Technologist
  • Mikhail Arey, Technologist
  • Matt Bahl, Technologist
  • Dave Huling, Technologist
  • Ryan Lamparek, Technologist
  • Andrew Nguyen, Technologist
  • Amber O’Shogay, Technologist

Learn more about our Pediatric Stem Cell Transplant and Cellular Therapy Program