Our Research Team

For current study opportunities, please call the confidential recruitment line at 503-494-3666 or visit our open studies page.

Jeffrey Jensen, M.D., M.P.H. Jensen_Jeff

Leon Speroff professor of Obstetrics and Gynecology 

Vice chair, research

Director, Women's Health Research Unit

A native of the Northwest, Dr. Jensen completed medical school at Emory University, an internship at Santa Clara Valley Medical Center in San Jose, and an OB/GYN residency at OHSU. He has been board certified since 1990. Prior to accepting a faculty position at OHSU in 1992, he served in the United States Navy Medical Corps. Dr. Jensen was appointed the first Leon Speroff Professor of Obstetrics and Gynecology in 2003. 

Dr. Jensen is the director of the Women's Health Research Unit, as well as vice-chair for research in the Department of Obstetrics and Gynecology, and an affiliate scientist at the Oregon National Primate Research Center. His special interests include family planning and vulvar disease. Dr. Jensen's research focus includes pre-clinical investigations of new contraceptive methods, and clinical trials in family planning and vulvar disease. In his leisure time, Dr. Jensen enjoys birding, running, camping, biking, and hiking with his family.

Marci Messerle Forbes, R.N., F.N.P. MesserleForbes_Marci

Senior research associate

Marci joined the Research Division as a family nurse practitioner in 2004. An experienced colposcopist, Marci completed her Master's and Clinical Doctorate of Nursing at Case Western Reserve University in Cleveland, Ohio in 1998. Marci graduated from the University of Oregon in 1993 with a B.S. in General Science and an emphasis in Biology. Areas of particular clinical interest to Marci include family, planning, and cervical disease. In her spare time, Marci enjoys spending time with family and friends, volunteering at her kids' school, reading, and gardening.

Andrea O'Donnell, R.N., F.N.P. O'Donnell_Andrea

Senior research associate

Andrea joined the Women's Health Research Unit as a nurse practitioner in 2004. Andrea completed her Master's degree from OHSU's School of Nursing. Prior to becoming a family nurse practitioner, she worked as an inpatient pediatric nurse and at Planned Parenthood. Andrea's clinical and research interests include family planning and adolescent gynecology. Outside of work, Andrea enjoys hiking with her husband and two young kids, running, reading, and travel.

Monica Rincón, M.D., C.C.R.P. Rincon_Monica

Senior research associate

Monica completed her medical school and OB/GYN residency in Pontificia Universidad Javeriana in Bogota, Columbia. She has an ultrasound fellowship certification and received her ECFMG certification in 2011. In 2009, Monica joined the OHSU Maternal Fetal Medicine Division Research Unit and has been vital in the creation and development of the Pregnancy Research Group (PRG). The PRG's purpose is to increase communication and collaboration among all OHSU clinical trials, and pregnant patients. In her spare time, she enjoys weekend trips, catching up with overseas friends, and taking pictures.

Vivian Tsang Tsang_Vivian (2)

Research assistant II

Vivian earned her Bachelor of Science degree from Duke University in Durham, North Carolina, where she majored in Biology and Asian and Middle Eastern Studies. As a student, she spent time in Israel, Jordan, and China, where she grew to appreciate the diversity of histories and cultures in the regions. Her experiences teaching English to refugees, both locally and abroad, have brought her into contact with a number of women. She joined the Maternal Fetal Medicine Division Research Unit in December 2014, bringing with her an interest in women's health clinical research and experiences in laboratory research.

Amanda Holland, M.P.H. Holland_Amanda

Research assistant II

Amanda joined the research team in 2010 as a research assistant. In 2006 she earned her Master's in Public Health studying Epidemiology and Biostatistics at OHSU. Prior to coming to Oregon, she lived in Phoenix, Arizona where she earned her Bachelor of Science in Biology from Grand Canyon University. After graduation she worked in a lab that studied Alzheimer's and Parkinson's disease and helped run a tissue donation bank.

Lisa Karstens, Ph.D.Karstens_Lisa

Postdoctoral researcher

Lisa joined the Women's Health Research Unit in 2013. After completing a Ph.D. in Chemistry at Princeton University, she came to OHSU to earn a Masters in Biomedical Informatics. She is interested in using her expertise in magnetic resonance imaging and bioinformatics to improve how we diagnose and treat complicated human disease.

Zoë Haffner Haffner_Zoe

Research assistant II

Zoë joined the Women's Health Research Unit in December 2014. Earlier that year, she earned her Bachelor of Science in Human Science from Georgetown University in Washington, DC. Before moving to Portland and working in Women's Health, Zoë volunteered in Huntington's Disease research. She is very interested in epidemiology and public health promotion, particularly relating to national and international health systems. In her free time, she enjoys running, swimming, exploring Portland shops and cafes, and traveling.

Jackie Seguin, R.N., M.S.Seguin_Jackie

Research nurse, research assistant II

Jackie began OHSU research work in maternal fetal medicine in 2008, and moved to the WHRU in 2011. After a long career in public health and primary care, she enjoys the variety of changes and new challenges that health care research has to offer. She particularly appreciates research that can move rapidly to utilization and improvements in clinical care.

Gianou KnoxKnox_Gianou

Regulatory specialist, research assistant II

Gianou received her Bachelor of Arts degree in Human Biology from Pitzer College in Claremont, California. After graduating, she moved back home to Santa Fe, New Mexico, where she worked for Southwest Cares, a behavioral healthcare company, as the referral coordinator. She joined the Women's Health Research Unit in June of 2014 as a research assistant II and the regulatory specialist for the department.

Emily Padua Padua_Emily

Research assistant II

Emily earned her Bachelor of Arts in Anthropology from Hartwick College in Oneonta, New York with a focus on cultural and medical anthropology. She moved to Portland in 2009 to study midwifery. She spent four years in school and working in a clinical setting in women's health before joining the WHRU team in March 2014. In her free time, she enjoys biking, hiking, gardening in her backyard, and cooking.

Sara McCrimmon Sara McCrimmon

Research assistant II

Sara earned her Bachelor of Science degree in 2012 in Community Health Education and Sociology from Portland State University. Prior to joining the WHRU team as a research assistant II in August of 2015, Sara worked for the Cascade AIDS Project coordinating services for women, youth and families impacted by HIV/AIDS. In her free time, Sara enjoys movies, music, books and exploring Portland. She is interested in epidemiology and communicable disease, and ultimately hopes to continue her education and career in public health. 

Monica DunnDunn_Monica

Research assistant II

Monica earned her Bachelor of Science degree in 2006 in Zoology with an Applied Medical Ethics Certificate from Oregon State University. Before joining the WHRU team as a research assistant II in May of 2014, Monica worked historically in a wide range of positions including as a clinic assistant at Planned Parenthood, a dog walker in Philadelphia, and a research coordinator in End of Life Care at the University of Pennsylvania. In her free time, Monica enjoys playing soccer, exploring the wide range of craft beer offerings in Portland, and experimenting with her 35mm camera.

Jenny Hauschildt Jenny Hauschildt

Research assistant II

Jenny earned her Bachelor of Science degree in Psychology from John Carroll University (Cleveland, Ohio) in 2008. Prior to coming to OHSU, she worked in a lab in Seattle that developed and researched technology-based tools for providers and consumers of evidence-based psychological treatments. She joined WHRU and the Maternal Fetal Medicine Division in June 2015. She is particularly interested in public health, reproductive health, and nutrition as they relate to women. In her free time, she enjoys organic gardening, yoga, biking, and the great outdoors. She also loves spending time with family, friends, and Navaan (her beloved cat).

Nikki RoseRose_Nikki

Administrative assistant

Nikki earned her Bachelor of Science in Human Relations and Business at Amberton University in Garland, Texas. She joined WHRU in January 2015, bringing with her 20 years' experience administratively supporting programs in various industries including: banking, government, healthcare, and manufacturing. She is a creative and philanthropist with interests in writing, photography, and attending to the hearts and needs of the hurting, especially pertaining to women.

Contact information for research staff


Cat Schultheis Financial analyst
Sara McCrimmon
Research assistant II
Monica Rincón
Research associate
Lisa Karstens
Postdoctoral researcher
Jackie Seguin
Research nurse, research assistant II
Amanda Holland
Research assistant II
Zoë Haffner Research assistant II
Gianou Knox
Regulatory specialist, research assistant II
Emily Padua
Research assistant II
Monica Dunn
Research assistant II
Recruitment coordinator, senior research assistant
Vivian Tsang
Research assistant II
Nikki Rose
Administrative assistant
Jenny Hauschildt
Research assistant II