Hettiaratchi Lab

Our Team

Hettiaratchi Lab - Fall 2020

Dr. Marian Hettiaratchi

Principal Investigator

Postdoctoral Fellowship, Chemical Engineering & Applied Chemistry, University of Toronto

Ph.D., Biomedical Engineering, Georgia Institute of Technology & Emory University

B.Sc., Chemical Engineering with Biomedical Specialization, University of Calgary

Marian Hettiaratchi joined the Knight Campus at the University of Oregon as an assistant professor in January 2020. She also holds an affiliate appointment in the Department of Biomedical Engineering at Oregon Health & Science University. Marian’s doctoral research focused on developing heparin-based microparticles for growth factor delivery to repair large bone defects. She completed a post-doctoral fellowship at the University of Toronto under the direction of Dr. Molly Shoichet where she combined techniques in protein engineering and polymer chemistry to stabilize and control the delivery of proteins for central nervous system repair. In her spare time, Marian enjoys running and biking along the Willamette River and drinking Oregon wines.

Google Scholar Profile

Jonathan Dorogin

Graduate Research Assistant

M.ASc. in Biomedical Engineering, McMaster University
B.ASc. in Nanotechnology Engineering, Waterloo University

Hi! I’m Jonathan Dorogin. I’m a PhD student in the joint Biomedical Engineering program between University of Oregon and Oregon State University, working under the supervision of Dr. Marian Hettiaratchi. Prior to joining the Knight Campus and Dr. Hettiaratchi’s lab, I did a master’s in Biomedical Engineering in Dr. Todd Hoare’s lab at McMaster University, focusing on ultrasound triggered drug delivery for cancer applications which was spun out into a startup called Pharmasonica. I’ve also worked in industry and helped to develop a bio-lubricant for people suffering from osteoarthritis. In my spare time, I like to stay active by playing basketball, ultimate frisbee, and doing pilates. I also like to paint and cook. I’m a big Toronto Raptors fan, and enjoy watching cooking shows and cartoons.

Andres Guerrero

Graduate Research Assistant (Winter 2021 Rotation)

B.S. in Biochemistry and Biology, University of Wisconsin - La Crosse

Wyatt Parks

Graduate Research Assistant (Winter 2021 Rotation)

B.S. in Biochemistry, Western Washington University

Branden Henry

Undergraduate Research Assistant

B.S. in Human Physiology

Graduation: June 2020

My name is Branden Henry, and I am a post-baccalaureate student in the Human Physiology major. I was born in San Diego, California and was raised in Rancho Santa Margarita before I moved to Eugene for college. I’m a gigantic Duck Football fan and love to talk about anything college football.

Henry Hochstatter

Undergraduate Research Assistant

B.S. in Human Physiology with a Minor in Biochemistry

Expected Graduation: June 2022

My name is Henry Hochstatter and I am a third-year student in the Clark Honors College. After finishing my undergraduate degree, I hope to attend medical school after gaining some clinical work experience and seeing more of the world. I was born and raised in Portland, Oregon. In my spare time, I love to bake fun dishes/desserts and hike around Oregon!

Ireland Johnson

Undergraduate Research Assistant

B.S. in Biology with Minors in Chemistry and Spanish

Expected Graduation: June 2022

My name is Ireland Johnson and I am an undergraduate student in the Robert D. Clark Honors College on campus with a major in Biology and a double minor in Chemistry and Spanish. After completing my undergraduate degree, I hope to attend medical school. I have had the privilege of living in 9 different cities across the world, but my family is currently situated in Portland. When I’m not studying or working on a project, you can find me backpacking in the mountains or skiing down Mt. Bachelor.

Hossein Rajabzadeh

Undergraduate Research Assistant

B.S. in Biochemistry

Expected Graduation: June 2021

My name is Hons Rajabzadeh and I am a senior Biochemistry major. After graduation, I hope to pursue a Master’s degree in biochemistry. I’m originally from Tehran, Iran, but also consider Eugene to be my hometown since I have been here for awhile. In my spare time, I enjoy building my own board games and bikes.

Lab Alumni


Dillon Willis - Graduate Rotation Student (Spring 2020)

John O'Hara-Smith - Graduate Rotation Student (Fall 2020)

Dr. Jakob Townsend - Postdoctoral Scholar