Elizabeth LaDeaux, Pharm.D.
ladeaux@ohsu.edu

Dr. LaDeaux is originally from Idaho but has called Oregon home for more than 10 years. She earned her Doctor of Pharmacy degree from Pacific University in Oregon. Prior to residency, she spent nearly 15 years in community pharmacy, where she developed a passion for operational improvement, leadership, and mentoring. She is now a PGY1 Health-System Pharmacy Administration and Leadership resident at OHSU. Her professional interests include practice advancement, pharmacogenomics, infectious diseases, and oncology. She will complete her MBA in Healthcare Management through Pacific University in November 2026. Outside of residency, Dr. LaDeaux enjoys traveling, exploring the Pacific Northwest, spending time with her son, and cheering him on at his wrestling tournaments.

Zachary Olsem, Pharm.D.
olsem@ohsu.edu

Dr. Zachary Olsem was born and raised in Peosta, Iowa. He completed his undergraduate studies at Iowa State University before earning his Doctor of Pharmacy degree from the University of Minnesota - Twin Cities. During pharmacy school, he was actively involved in several professional organizations, including APhA-ASP, ASHP, Phi Delta Chi, and Phi Lambda Sigma. Dr. Olsem spent the past four years completing his pharmacy internship at an oncology clinic. Through his advanced pharmacy practice experiences, he cultivated interests in pharmacy leadership, infectious diseases, and psychiatry. In addition to his residency training, he is pursuing an MBA with Oregon State University. His major project this year focuses on the delivery of floxuridine via hepatic arterial infusion pump. Outside of residency, Dr. Olsem enjoys hiking and skiing, exploring new food carts throughout the Portland area, and reading the ever-growing collection of books he picks up from Powell's Books.

Henry Harris, Pharm.D.
harrishen@ohsu.edu

Dr. Harris is originally from Olive Branch, MS, and earned both his Bachelor of Science in Pharmaceutical Sciences and Doctor of Pharmacy degrees from the University of Mississippi. After graduating in 2020, he spent four years as a staff pharmacist in the outpatient pharmacy at Regional One Health in Memphis, TN. He is now a PGY2 Health-System Pharmacy Administration and Leadership resident at OHSU, where his interests include pharmacy practice advancement, operational improvement, automation, and the implementation of emerging technologies into pharmacy practice. This year, his research project will focus on the implementation of an AI-supported prior authorization program within OHSU's specialty pharmacy, with the goal of improving PA approvals and increasing patient access to therapy. He is also completing his MBA through Oregon State University. Outside of work, he enjoys watching Formula One and the Memphis Grizzlies, running a Dungeons & Dragons campaign with friends, and exploring the Pacific Northwest with his wife and their cat and dog.