Research Administration Team

Hillary Regan; Research Administrator

Hillary Regan

Hillary joins the department as the new Grants Manager and currently the Interim Research Adminsistrator for the research division, and will be working closely with the research admin team in overseeing our pre-award and post-award grant activities.  Hillary comes to us by way of the OHSU-PSU School of Public Health, where she held dual roles as the Administrator for the Biostatistics & Design Program and the Program Coordinator for the Preventive Medicine Residency. In her new role Hillary will be the point person for all research grants and contracts, and will manage research-related labor distribution and bi-annual effort certifications. Hillary has been an OHSU employee since the mid-90’s and her career interests include design thinking, conflict transformation, and process improvement. Outside of work Hillary enjoys spending time with her family, engaging in outdoor activities (gardening, camping, fishing, hiking and adventuring), crafting and up-cycling.

Nicole Libal, BS; Laboratory Manager

Nicole L

Nicole Libal is a Laboratory Manager in the Department of Anesthesiology and Perioperative Medicine (APOM). She manages the mouse breeding colonies in APOM’s laboratories and also provides surgical and technical support for ongoing pre-clinical research. She is a registered laboratory animal technician with the American Association for Laboratory Animal Science (AALAS) and was named 2010 Technician of the Year by the Oregon branch of AALAS.

In 2005, Nicole earned her bachelor’s in animal sciences from Oregon State University. When she takes a break from the laboratory, she enjoys reading, gardening, traveling, and camping.

Sarah Feller, BS; Assistant Laboratory Manager

Sarah Mader

Sarah serves as our Assistant Laboratory Manager for basic science research, as well as serving as a Cell Culture Specialist.  In addition, Sarah has taken on a role in clinical research as a Clinical Research Coordinator working on projects with Dr. Brandon Togioka and Dr. Sandy Christiansen. 

Sarah studied biology at Pacific University in Forest Grove, Oregon where she earned the Bachelor of Science in Biology in 2001. Sarah has been employed at OHSU since December of 2001 when she accepted her first position with the Department of Behavioral Neuroscience.  She has been a member of APOM since September of 2006.

Yalda Zarnegarnia, PhD; Senior Associate Biostatistician

Yalda Zarnegarnia

Yalda is a Senior Associate Biostatistician in the Anesthesiology department. Yalda started on December 1, 2020 and will work for APOM investigators starting at 50% FTE. She received her PhD in Biostatistics from the University of Miami in summer 2019. During her PhD program, she developed new methodologies for ROC curve estimation in settings with correlated data to evaluate the true ability of biomarkers in discriminating between cases and controls in a familial paired design. After graduation, she attended a data engineering fellowship program at Insight Data Science in LA. In her spare time, Yalda enjoys hiking, camping and gardening and plays keyboard sometimes.

Renee Alexander; Financial Analyst II

Renee Alexander

Renee joined the APOM team in March 2018 as a Financial Analyst and assists with the billing, reporting and budgeting activities related to the department. Prior to joining the APOM team, Renee worked in the Neurology department. Prior to joining OHSU, Renee worked as an Accountant at Schnitzer Steel, Inc. and Cambia Health Solutions. Away from work, Renee enjoys most outdoor activities, cooking and being with her family.

Heidi Owen; Grants and Contracts Coordinator

Heidi Owen

Heidi joined the research administrative team at APOM in February 2021, following 15 years providing administrative support to a large research lab at OHSU’s Vollum Institute and grants and fellowship support to the Institute’s graduate students and postdoctoral fellows.  Prior to coming to OHSU, Heidi worked as Assistant to the Dean of the Linfield-Good Samaritan School of Nursing.  Heidi’s passion for research and discovery was ignited doing PhD studies in musicology prior to moving to Portland.  Outside of work, Heidi enjoys reading, biking, hiking, and spending time with her daughter.

Praveen Tekkali; System Application Analyst


Praveen joins the research division in APOM as a System Analyst working with Dr. Miriam Treggiari.  Praveen received his master’s degree in Computer Science in 2013 from Texas A&M.  Since then he has been working as a Programmer Analyst in various domains in the IT industry, with an expertise in data management, data warehousing, business intelligence and data modeling.  Outside of work Praveen’s interests include traveling, playing tennis, cricket and running. 

Patrick Bullock, BS; Administrative Coordinator

Patrick Bullock

Patrick is an Administrative Coordinator in the Department of Anesthesiology and Perioperative Medicine. He graduated with a Bachelor of Science degree from Oregon State University in Natural Resources, focusing on Environmental Policy and Law. For the past six years he has work in the Hematology and Medical Oncology department at the Knight Cancer Institute. In his spare time he enjoys traveling, playing basketball, soccer and running.