Dawn Taylor, EdM, MLS(ASCP) – Associate Professor


Teaches Hematology and Hemostasis
Serves as Program Director

Dawn earned her BS in Medical Technology from Illinois State University. She did her internship and later worked at the Methodist Medical Center of Illinois. Dawn is certified MLS(ASCP) by the American Society of Clinical Pathologists. She worked as a generalist and night shift lead tech.  Later she specialized in hematology and hemostasis at Oregon Health and Science University. She received her master’s degree in Adult Education / Organization and Human Resource Education from Oregon State University.


Caroline Doty, MS, MLS(ASCP) - Associate Professor


Teaches Molecular and Urinalysis 
Serves as Department Chair

Caroline earned her bachelor’s degree in biology from Clayton State University. She then went on to complete a master’s degree in life sciences from Northwestern University in 2012, specializing in drug design and molecular biology. After completing her master’s degree, Caroline decided to pursue her interests in medical lab science and earned a second bachelor’s degree in medical laboratory science from the OHSU/Oregon Tech MLS program. After graduating from the MLS program, she completed her internship at PeaceHealth Southwest Medical Center, where she is still employed as a generalist in the hospital core lab.  In addition to teaching class and working as a generalist in the field, Caroline also serves as the Department Chair and Clinical Coordinator for the MLS program.  


Rachelle Barrett, MS, MLS(ASCP)SBB – Instructor


Teaches Immunohematology and Foundations of Medical Laboratory Science II and III

Rachelle earned bachelor’s degrees in chemistry from OSU and Medical Laboratory Science from the OIT/OHSU MLS program. Rachelle completed her master’s degree in medical laboratory management from Rush University. For the first 12 years of her career, Rachelle worked as a night shift generalist, a Blood Bank Specialist and a Laboratory Manager in the Willamette Valley all before discovering her love of teaching at the College level. In addition to teaching her classes, she is the program’s Assessment Coordinator. Currently, Rachelle spends her spare time working with new managers in meeting Transfusion Service Compliance Regulations, contributing to curriculum for high school anatomy & physiology at the Hillsboro and Salem School Districts, and judging for the local high school and middle school science fairs as well as maintaining an active membership with her local chapter of American Society of Clinical Laboratory Science (ASCLS-OR).


Darrell Mooers, MBA, MLS(ASCP) - Instructor

Teaches Microbiology and Parasitology

Darrell graduated from OHSU’s Clinical Laboratory Science program in 1979 and received an MBA from Willamette University in 1991.The majority of his career has been in managing hospital laboratories, including small (Santiam Hospital) and large (PeaceHealth Southwest Washington) facilities. Darrell has been involved in hosting Oregon Tech MLS externships for many years and is excited at the opportunity to teach and promote the profession. Darrell has always been active in his community, including coaching high school volleyball for several years. Darrell also enjoys traveling with family and friends.

Laurie Sprauer, MBA-HM, MLS(ASCP) – Assistant Professor


Teaches Chemistry and Immunology

Laurie has her BS degree in Medical Laboratory Science from the University of Wisconsin-La Crosse. She received her MBA with an emphasis in Healthcare Management from Western Governors University. Over her 20 plus years in the hospital settings, Laurie has worn many hats. Some of these include nightshift generalist at trauma centers, hematology specialist, and quality assurance and compliance supervisor. In her teaching, Laurie enjoys applying creative, hands-on learning strategies that help students relate the classroom knowledge to real world experiences in the chemistry laboratory.



Oregon Tech Division of Health Sciences
Department of Medical Laboratory Science
27500 SW Parkway Ave. Wilsonville, OR 97070