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Meet the Team

Nebraska ICAP/ASAP Team, Front row, from left: Teri Fitzgerald, Regina Nailon, Sue Beach, Kate Tyner, Scott Bergman, PharmD. Back row: Dr. Trevor Vanschooneveld, Terry Micheels, Dr. Mark Rupp, Jonathon Nguyen, Shelly Schwedhelm, Dr. M. Salman Ashraf, Philip Chung, PharmD. Margaret Drake is not pictured.

Click on the names of the team members below to learn more about us.

Muhammad Salman Ashraf, MBBS

Dr. Ashraf, is the medical director for the Nebraska ICAP (Infection Control Assessment and Promotion Program). He is also the co-medical director of the Nebraska ASAP (Antimicrobial Stewardship Assessment and Promotion Program) and an Associate Professor in the Division of Infectious Diseases, Department of Internal Medicine, at University of Nebraska Medical Center, Omaha (UNMC) Dr. Ashraf is board certified in Internal Medicine, Geriatric Medicine and Infectious Diseases. His clinical and research interests include infections in the elderly, and infection control plus antimicrobial stewardship in long-term care facilities.

Dr. Ashraf has been a member of the Society for Healthcare Epidemiology (SHEA) Long-Term Care Special Interest Group since 2009. As a member of this group, he contributed in revising the infection surveillance definitions (McGeer Criteria) for long-term care facilities. He has also been an active member of the Infection Control Subcommittee of AMDA-The Society for Post-Acute and Long-Term Care Medicine since 2013. In addition, he is currently a member of the Advisory Panel for the SHEA/CDC Outbreak Response Training Program and SHEA Education Committee.

Dr. Ashraf believes that infection control and antimicrobial stewardship programs need to be developed and tailored for the specific challenges of different healthcare settings. As a team leader of Nebraska ICAP and Nebraska ASAP, Dr. Ashraf is working to help expand Nebraska’s infection control infrastructure and promote optimal antibiotic use in the state.

Kate Tyner, BSN, RN, CIC

Kate is Nurse Coordinator of the Nebraska ICAP and ASAP. She received her Bachelor of Science in Nursing from UNMC. She has been working in infection control and prevention since 2005, in both inpatient and ambulatory locations and has been certified in Infection Control and Epidemiology since 2008. She has been an instructor with The Nebraska Infection Control Network for several years. She has contributed to many publications and presentations, but most enjoys educating healthcare professionals on the prevention of healthcare acquired infections.

Teri Fitzgerald, BSN, RN, CIC

Teri Fitzgerald is an Infection Preventionist at Nebraska ICAP. She obtained her Bachelor of Science in Nursing from UNMC. She has been working in infection control and prevention since 2001, in inpatient locations and has been certified in Infection Control and Epidemiology since 2008. She has been a participant in gathering data for Infection Prevention studies done at Nebraska Medicine, most notably the Hand Hygiene Study led by Dr. Mark Rupp. She has been an active member of The Association for Professionals in Infection Control and Epidemiology (APIC) since 2001, and has held many board positions over the years, most currently, Past-President of the local Greater Omaha Chapter of APIC in 2017.   She joined the ICAP Team in October 2016, and is enjoying learning more about Infection Control needs in Outpatient, Ambulatory, and Long-Term Care settings.

Sue Beach

Sue is Administrative Senior Assistant of the Nebraska ASAP. She assists with planning, scheduling, recording keeping and on-site visits. She is also Administrative Senior Assistant of Nebraska ICAP.

Sue graduated from the University of Nebraska-Lincoln with a degree in journalism and has been employed by Nebraska Medicine for more than 10 years supporting infection control professionals.

Margaret Drake, MT (ASCP), DHHS and ICAP

Margaret is an Infection Preventionist for Nebraska ICAP. She obtained her undergraduate medical technology degree from Augustana College in Sioux Falls, South Dakota. She is certified by the American Association of Clinical Pathologists and Certified in Infection Control.

Margaret has worked in the medical field since 1981, first in the laboratory for twenty five years and for the past ten years in Infection Control. She has a strong background in surveillance for healthcare associated infections and the National Hospital Safety Network (NHSN).

Regina Nailon PhD, RN

Dr. Nailon is a clinical nurse researcher and provides data support for the Nebraska ICAP. She received her Ph.D. from Oregon Health & Science University and completed a postdoctoral fellowship at the Center for Health Outcomes and Policy Research, University of Pennyslvania, Philadelphia. She is a registered nurse and has served as an associate professor at the UNMC College of Nursing. Dr. Nailon has facilitated and conducted interprofessional research aimed at improving health outcomes and the healthcare infrastructure necessary for delivery of safe and appropriate care across the care continuum. She enjoys mentoring colleagues and providing guidance as they incorporate evidence-based practices into clinical settings to impact patient outcomes in a positive manner.

She is a member of Academy Health, American Nurses Association, American Public Health Association, Midwest Nursing Research Society, National Association of Hispanic Nurses, Public Health Association of Nebraska, Sigma Theta Tau International Honor Society of Nursing-Beta Psi Chapter, and Transcultural Nursing Society.

Mark E. Rupp, MD

Dr. Rupp is the associate medical director of the Nebraska ICAP and ASAP and is a Professor and Chief of the Division of Infectious Diseases in the Department of Internal Medicine at UNMC. He is the medical director of the Nebraska Medicine Department of Infection Control & Epidemiology.

Dr. Rupp received his medical degree from Baylor College of Medicine, Houston, Texas and holds a B.S. degree in Chemical Engineering from the University of Texas, Austin, Texas. He underwent internship and residency training in Internal Medicine and completed Fellowship training in Infectious Diseases at Virginia Commonwealth University.

He is a Diplomate, American Board of Internal Medicine, and in the subspecialty area of Infectious Diseases. He is a Fellow of the American College of Physicians (ACP), the Infectious Diseases Society of America (IDSA), and the Society for Hospital Epidemiology of America (SHEA). He is a Past-President of SHEA and is a Past-President of ASM Division L (Infection Control/Hospital Epidemiology). Dr. Rupp has served as a consultant for the US Food and Drug Administration as well as the Centers for Disease Control and Prevention, NIH, and VA.

Dr. Rupp has published over 400 articles, chapters and abstracts. He frequently presents papers at national and international meetings, serves as a guest lecturer, and is an active teacher and researcher. Dr. Rupp’s research interests are in the areas of staphylococcal disease, healthcare-associated infections, and antimicrobial resistance.

Shelly Schwedhelm, MSN, RN, NEA-BC

Shelly is currently the Executive Director of Emergency Preparedness which includes the Nebraska ICAP, ASAP, and the Nebraska Biocontainment Unit as well as Infection Prevention at Nebraska Medicine. She had overall accountability for unit operations and logistics during the recent care of patients with Ebola virus disease. Prior clinical accountabilities include Director of the Emergency Department, Trauma Program, Perioperative Services and Emergency Preparedness Services.

Shelly attended Methodist School of Nursing where she received her diploma degree in 1982 and her Bachelors of Science degree in Nursing from the University of Nebraska College of Nursing in 1992. She completed her Masters in Nursing degree from Nebraska Wesleyan University in 2007. She is certified as an Advanced Nurse Executive and maintains an Advanced HazMat Life Support certification.

Shelly is actively involved in the Omaha Metropolitan Medical Response System (OMMRS) where she is Chairperson of the Healthcare Coalition Committee and serves on the Steering and Executive Committees.

Terry Micheels, MSN, RN, CIC


Terry is the nurse manager of the Nebraska ICAP, ASAP, and the Nebraska Medicine Department of Infection Control. She has worked in the field of infection control for more than 22 years and joined the staff at Nebraska Medicine in 2015. She is also involved in planning and organizing educational programs for the Nebraska ICAP and ASAP.

Maureen Tierney, MD

Maureen Tierney, MD, MSc – HAI (Healthcare Associated Infections) Program Coordinator.
Dr. Tierney is the Director of the HAI (Healthcare Associated Infections) Program in the Epidemiology and Informatics Unit of the Nebraska Division of Public Health. Dr. Tierney is also an Adjunct Associate Professor at the College of Public Health, University of Nebraska School of Medicine.

Dr. Tierney is a Diplomate (board certified) in Internal Medicine (IM) and Infectious Disease (ID) by the ABIM, American Board of Internal Medicine. She received her medical degree from Cornell Medical College and her training in IM and ID at the New York Hospital and the Massachusetts General Hospital Respectively. She joined the staff in ID at MGH and also served as Fellowship Director there before leaving to become the Chief of ID at the West Roxbury VAMC in Boston, Mass.

Dr. Tierney also received a degree in health services administration from the Harvard School of Public Health and later became a senior medical reviewer for the FDA from 2002-08. She has published articles on HIV therapy, eye and ear infections, and the efficacy of certain antibiotics and antifungal therapy. She is a member of the American College of Physicians, the Infectious Disease Society of America, the Society of Hospital Epidemiology and the Council of State and Territorial Epidemiologists.

Our Partners at Nebraska Health and Human Services:

Tom Safranek, MD – State Epidemiologist
Dr. Safranek was born in Omaha and attended both the University of San Francisco and Georgetown University of Medicine. He has been licensed in the state of Nebraska as a Physician and Surgeon since 1982. Prior to accepting his current position with the state of Nebraska, he was an Epidemic Intelligence Service (EIS) officer at the Centers for Disease Control in Atlanta, GA. He was also an attending in Infectious Diseases at Creighton and was head of the Infection Control Committee at Creighton’s St. Joseph Hospital. He has served as the Nebraska State Epidemiologist since 1990. In this capacity, he oversees epidemiologic investigation and response for communicable diseases, chronic diseases, injury surveillance, and maternal-child health epidemiology. In addition, he oversees a public health unit responsible for identification and control of bioterrorism in the state of Nebraska.

Robin Williams, MPH – Epidemiology Surveillance Coordinator
Robin is an epidemiologist with the Nebraska Department of Health and Human Services in the Division of Public Health. She completed her master’s degree in public health at UNMC. She currently is the grant coordinator for the CDC’s Epidemiology and Laboratory Capacity grant which supports the ICAP program as well as the Nebraska State influenza surveillance coordinator.
She is a member of the Public Health Association of Nebraska where she serves on the Board of Directors and co-chairs the Epidemiology and GIS section of PHAN. She is also a member of the Council for State and Territorial Epidemiologists.

Nebraska ASAP

  • Muhammad Salman Ashraf, MBBS, ASAP Medical Director
  • Trevor Van Schooneveld, MD, ASAP co-Medical Director
  • Mark E. Rupp, MD, FIDSA, ASAP Associate Medical Director
  • Philip Chung, PharmD, MS, BCPS, ASAP Pharmacist Coordinator
  • Scott Bergman, PharmD, BCPS-AQ ID, FIDSA, ASAP Pharmacist co-Coordinator
  • Kate Tyner, BSN, RN, CIC, ASAP Nurse Coordinator
  • Regina Nailon PhD, RN, ASAP Nurse Coordinator
  • Sue Beach, BA,ASAP  Administrative Senior Assistant
  • Shelly Schwedhelm, MSN, RN, NEA-BC, ASAP Executive Director
  • ASAP Partners at Nebraska Health and Human Services:
    • Tom Safranek, MD – State Epidemiologist
    • Maureen Tierney, MD, MSc – HAI (Healthcare Associated Infections) Program Coordinator
    • Margaret Drake, MT (ASCP)- NHSN Infection Preventionist
    • Robin Williams, MPH – Epidemiology Surveillance Coordinator

Page last reviewed: August 14, 2018