Faculty and Staff



Susan Swindells, MBBS, is the Terry K. Watanabe Professor of Internal Medicine in the Section of Infectious Diseases. She is also Director of the Nebraska AIDS Drug Assistance Program. A native of England, Dr. Swindells earned her medical degree from University College in London in 1977, with postgraduate training in England and at the University of Washington in Seattle. She has been involved in HIV care since 1988. A clinician and active researcher, Swindells has been principal investigator on many clinical trials. She is on the leadership of the AIDS Clinical Trials Group of the National Institutes of Health, and has served on the U.S. Department of Health & Human Services Panel on Guidelines for The Management of COVID-19 (White House Task Force). An active teacher on the UNMC campus and outside, Swindells has published multiple articles in scholarly journals, and both contributed to and edited textbooks.
Sara Hurtado Bares, MD joined the HIV/Infectious Diseases team in July 2013. She is the Director of the Nebraska AIDS Education and Training Center (NAETC). After receiving her undergraduate degree from Amherst College, Dr. Bares obtained her MD from Mount Sinai School of Medicine in New York City. She trained in Internal Medicine at the University of Chicago where she was an intern, resident, and chief resident. Following her residency, Dr. Bares stayed on at the University of Chicago to complete a fellowship in Infectious Diseases. She is bilingual in Spanish and English. Her clinical and research interests include HIV prevention and treatment, HIV in women, and HIV in pregnancy.
Jasmine Riviere Marcelin, MD, joined the HIV/Infectious Diseases team in September 2017 as an Assistant Professor of Medicine, Associate Medical Director of Antimicrobial Stewardship, and Associate Medical Director of Infection Control and Epidemiology.  A Caribbean native born in Dominica and raised in Antigua & Barbuda, she received her MD degree from American University of Antigua College of Medicine. She subsequently went on to postgraduate training at Mayo Clinic in Rochester, Minnesota, where she was an Internal Medicine Resident, Infectious Diseases Fellow and Infectious Diseases Chief Fellow. She has published several HIV-related articles including a book chapter on renal manifestations of HIV and viral hepatitis, and led a quality improvement project to improve universal HIV screening in primary care clinics. She is passionate about education in medicine, including teaching trainees and creating educational materials for healthcare professionals and patients.
Nada Fadul, MD, is Medical Director of the HIV Clinic at the University of Nebraska Medical Center. She joined the HIV team in September 2018 as an Associate Professor and Associate Medical Director of the UNMC’s Specialty Care Center. She is also Director of the UNMC Ryan White Parts C & D Programs. Prior to this role, she was at East Carolina University-Brody School of Medicine where she was the Director and Principal Investigator of the Ryan White Grant Program and the Medical Director of the Infectious Diseases Clinic. She is originally from Sudan and completed her medical degree from the University of Khartoum-Faculty of Medicine in Sudan in 2000 and subsequently completed an Internal Medicine Residency at the University of Illinois; a Palliative Care fellowship at MD Anderson Cancer Center where she served as a faculty for five years; and an Infectious Diseases fellowship at the University of Texas-Houston. She has published in peer reviewed journals, authored and coauthored several abstracts and book chapters and presented at national and international meetings. Dr. Fadul’s main clinical and research interests include: linkage and retention in care of people living with HIV, the long-term complications of HIV and its treatment; and HIV prevention strategies including pre-exposure prophylaxis (PrEP) and routine opt-out testing.


Josh Havens, PharmD joined the HIV/Infectious Diseases group in June 2015 and is a Courtesy Instructor in the Department of Pharmacy Practice. He graduated from the University of Nebraska College of Pharmacy in 2007. He previously worked at Nebraska Medicine in the outpatient pharmacy and the Internal Medicine clinic. He helped with the pharmacotherapy management of patients with numerous disease states including HIV. His role with our program includes medication education, adherence support/follow-up, and providing drug information for our clinic providers. Josh also works with the Nebraska AIDS Education and Training Center (NAETC) to improve the antiretroviral medication knowledge among pharmacists and providers in Nebraska so they may better serve their HIV patients.
Valentina Orduna, CNA/CMA, CPhT, joined the HIV/Infectious Diseases team in May 2017. She previously worked for Nebraska Medicine for 16 years. At Nebraska Medicine, she started as a Pharmacy Technician for 10 years, three years as a Pharmacy Financial Counselor, and three years at the Peggy Cowdery Clinic as a New Patient Coordinator. Valentina is bilingual in Spanish and English. She is devoted and passionate about assisting in the medical field and helping the community.  

nps.jpgNurse Practitioners

Ann Fitzgerald, APRN, MSN has been a HIV clinic nurse practitioner since 1995, giving her a wealth of experience in caring for persons with HIV/AIDS at all stages of disease. Having many years of experience in the clinical setting as well as a nurse educator, she enjoys teaching and is committed to patient education and health promotion activities. Ann is actively involved in the Nebraska AIDS Education and Training Center (NAETC), providing training to our healthcare professionals.
Nikki Regan, APRN, MSN, joined the HIV team in July 2015. She attended the University of Nebraska Medical Center, earning a Bachelor of Science in Nursing degree in 2004, and a Master of Science in Nursing degree in 2011. She previously worked as a Nurse Practitioner for the Omaha School Based Health Centers. Nikki has been an active volunteer with Project Kindle since 2003, an organization that serves children and teens impacted by HIV/AIDS by providing summer camp experiences as well as year-long activities and support for their families.
Christine D. Tran, DNP, APRN, joined the HIV program in October 2010. She previously worked at Midwest GI Associates as a nurse practitioner, from 2007 to 2010. She received her BSN from Marquette University in May 2000, her MSN from Creighton University in May 2006, and her DNP from the University of Nebraska Medical Center in May 2015. She was a volunteer at the Nebraska AIDS Project for five years doing outreach HIV testing. Christine plays a role as clinical care provider, educator, and is involved in clinical research. She is committed to working with her patients as a member of a dedicated team in order to provide quality care.

Daniel Cramer APRN, MSN joined the HIV team in November of 2020. He attended the University of Nebraska Medical Center, earning a Bachelor of Science in Nursing degree in 2014 and a Master of Science in Nursing degree in 2018. He previously worked as a Nurse Practitioner for Nebraska Medicine in the Infectious Diseases Division specializing in orthopedic and general infectious diseases. Dan is currently pursuing his PhD, researching stigma affecting health outcomes in individuals living with HIV. He has been an adjunct faculty member at UNMC since 2019.

nurses.jpgRegistered Nurses

Daniel Cobos, RN, BSN, MPH was recruited to UNMC in 1996 as a study coordinator. Daniel currently holds the position of Outreach Coordinator for our program. A major part of his role is to insure patients remain in care and to facilitate patient visits. He is bilingual in Spanish and English and well respected in the Latinx community. A volunteer at NAP for more than 17 years and at One World (formerly Indian-Chicano Health Center) for 7 years, he is very committed to his work and to our patients.
Precious Davis, BSN, MSN received her Bachelors of Science in Nursing from Nebraska Wesleyan University in 2015, and received her Masters of Science in Nursing Education from Western Governors University in Utah. She previously worked as a nurse at ENCOR/ENHSA managing the care of individuals with developmental disabilities and supervising nursing assistants and medication aides. Precious has worked as a case manager/staff nurse coordinating patient care for high-risk, complex patients at Nebraska Medicine, and recently started working as a nurse case manager at the Specialty Care Center in January 2017.

Research Coordinators

Renae Furl, MPH has rejoined the HIV team in January 2021, as a clinical study coordinator with the research team. She received her Master’s degree in Public Health from the University of Nebraska Medical Center. Previously, Renae has 17 years’ experience working with Nebraska’s HIV Ryan White Programs at UNMC, the Nebraska AIDS Project, and the Nebraska Department of Public Health. Over the past year, Renae has worked as a Regulatory Coordinator for the UNMC Clinical Research Center.
Maureen Kubat, RN, BSN, BSW received her Bachelor of Social Work from Marquette University in 2000 and worked as a discharge planner in Chicago for several years before returning to Omaha where she received her Bachelor of Science in Nursing from Creighton University in 2005. Maureen worked on an inpatient unit at Methodist Hospital and in pediatrics at Children's Physicians for nine years. She joined the HIV team in October 2016 as a study coordinator and is committed to the health and well-being of our patients.
Jennifer O’Neill, RN, BSN, attended the University of Nebraska- Lincoln for 2-1/2 years and then received her BSN from the University of Nebraska Medical Center-Kearney Campus in May of 2000. She has been in Omaha since August of 2000, working primarily in pediatrics until joining the HIV team as Patient Care Coordinator on the HIV Clinic in June of 2003. Jen is a clinical research study coordinator and is a real patient advocate.

Medical Assistants

Adele Haas, MA, is a Certified Medical Assistant and has been with Nebraska Medicine for 40 years. She joined the HIV Team in May 2010. She works as a clinic clerk/medical assistant and assists with phlebotomy.


Grace Bradford joined the HIV/Infectious Diseases team in May 2021. She started as a phlebotomist at Grifols Biomat in Council Bluffs, IA for 3 years, then worked at Davita Dialysis in Omaha, NE for a year, before working as a phlebotomist at the Bellevue Medical Center in 2019. Grace has a deep love for healthcare and the desire to provide quality, compassionate care to all of the patients.

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Genie Shumaker, Medical Receptionist joined the Specialty Care Center team in January 2017 and has been with Nebraska Medicine for over 25 years. She enjoys assisting patients when they check-in and the opportunity to establish relationships through continuity of care. Previously Genie worked in Oncology/Hematology for almost 13 years and is an advocate for pediatric brain tumor research in addition to mental illness awareness. 

client.jpgClient Services Team

Monica Arroyo, BSW joined the Specialty Care Center team in September 2018 as the Patient Eligibility Associate. Previously, Monica worked with the Nebraska AIDS Project for 2 years as the Bilingual Case Manager/Outreach Specialist, focusing on serving the Spanish-speaking community in Omaha. Additionally Monica worked with OneWorld Community Health Centers in the Health Insurance Marketplace. Monica received her Bachelor’s degree in Social Work from the University of Nebraska-Kearney. Monica is strongly committed to helping patients’ access quality healthcare, and using her bilingual skills to enhance patient care.
Renee Bera ADCJ joined the HIV team in August 2018 as the Healthcare Access Liaison. She spent the last ten years in skilled nursing and rehabilitation as a Business Office Manager and Provisional Administrator. She currently works with the AIDS Drug Assistance Program (ADAP) and helps patients with access and maintain insurance coverage through the Affordable Care Act. 
Jeremy Johnson, MSW joined the HIV team in October 2005 as a social worker and works with the Nebraska AIDS Drug Assistance Program (ADAP). He received his Master’s degree in Social Work from the University of Denver, Colorado. Prior to working with us, he was the Southwest Iowa case manager for Nebraska AIDS Project. He is committed to working with this population of clients and greatly enjoys being a part of the team.
Samantha L. Jones, CSW joined the University of Nebraska Medical Center HIV team in May of 2016.  She received her BSW from the University of Iowa in 2010 and has worked for several federal grants focusing on child welfare, reentry, education, employment and training. Prior to joining the HIV team, she worked under the federal Workforce Innovation and Opportunity Act (WIOA), providing outreach and access to employment and training opportunities in order to assist individuals in becoming self-sufficient.  Samantha has served as the Ryan White AIDS Drug Assistance Program (ADAP) Coordinator since 2019. She is currently pursuing her Master’s in Public Administration with a concentration in Healthcare Administration at University of Nebraska Omaha. 
Laura Krajewski, MPA joined the HIV team in 2013 as the Patient Outreach Specialist. Behind the scenes, Laura coordinates quality assurance efforts for the Ryan White Parts C and D Programs. A Nebraska native, Laura returned to Omaha after working at an AIDS Service Organization in Massachusetts for eight years. She received her master’s degree from Clark University and also served in the Peace Corps in Kazakhstan teaching English to high school students. She is interested in the social impact HIV/AIDS has on individuals living with the disease.
Tacy Slater, MSW, MPH joined the HIV team in July of 1999 after being employed as a case manager with the Nebraska AIDS Project for five years. She received her Master’s degree in Social Work and Public Administration from the University of Nebraska at Omaha. Tacy is a clinic social worker, patient services coordinator and the coordinator for the Ryan White Parts C and D Programs. She is strongly committed to quality care and access for our patients and always goes the extra-mile for patients.
Rachelle Carr, Patient Outreach Liaison - joined the HIV Team in November 2008 as a Medical Assistant and previously worked in Internal Medicine Clinic at Nebraska Medicine since 2004. She is dedicated in supporting/volunteering in community events and assisting patients with their needs, providing resources and coordinating appointments. She is devoted to the medical care of those living with HIV/AIDS.

other.jpgAdministrative Staff

Deanna Hansen has provided support as an Administrative Assistant to the UNMC HIV Program since 1992 and has been at UNMC since 1990. She received her Bachelor of Science degree in Business Administration in 1986. Her responsibilities include correspondence, meeting scheduling, preparation of reports, grant and manuscript submissions, travel arrangements, and assisting the HIV Team.
Deborah Justesen is the HIV Program Assistant. She provides support services for all HIV program-related projects and programs, including program data collection and management, budgetary management, and day-to-day operational activities. She is also the Project Coordinator for the Nebraska AIDS Education & Training Center (NAETC). Deb has worked at UNMC since 1984 and with the HIV Program since 2004.