Research Staff

Jon-Marc Weston, MD
Principal Investigator

Dr. Weston is the Founder and Medical Director of Weston Eye Center PC, Vision Surgery & Laser Center PC & Roseburg Research Associates, LLC

To learn more about Dr. Weston, please click here.

Steven F. Tronnes, OD

Dr. Steven F. Tronnes received his undergraduate training from Montana State University in Bozeman, Montana. He then entered Pacific University where he received his Doctor of Optometry degree in 1975. From there he entered the U.S. Army and served in Korea and Hawaii. He retired from the U.S. Army Reserves in 1996 as a Lt. Col.

To learn more about Dr. Tronnes, please click here

Debbie Harding, COT COE
Clinical Trials Coordinator

Debbie Harding is a Certified Ophthalmic Technician, Certified Ophthalmic Executive and Clinical Research Coordinator for Roseburg Research Associates. Debbie has worked in ophthalmology since 1988 and manages all ophthalmic clinical research trials conducted in our research department. Debbie works together with sponsors, doctors and patients as we study new study new medications to treat a host of eye conditions and disease.  Debbie can be reached by e-mail at or by phone at 541-672-2020 ext 101.


To learn more about Debbie, please click here

Shantelle Weakley, COA CCRC
Clinical Trials Coordinator

Shantelle works closely with your eye doctor to complete your exam and ensure your questions are answered. Shantelle is responsible for collecting all of the information needed for the study as well as administrative tasks. Shantelle has more than 16 years of eye experience and is certified as an ophthalmic assistant. She has been part of Weston Eye Center since 1995 and is a Certified Clinical Research Coordinator (CCRC) by the Academy of Clinical Research professionals (ACRP). Shantelle can be reached by e-mail at or by phone at 541-672-2020 ext 116.


To learn more about Shantelle, please click here