Meet our friendly and knowledgeable team
Jonathan L. Liss, M.D.
Founder / Primary Physician- The Columbus Memory Center (Liss Neurology)
Founder- The Columbus Memory Project™
Board Certified Neurologist | Founder
Medical Research & Health Education Foundation
Dr. Liss is a national lecturer, research scientist, author, educator, and clinical practitioner. His medical research includes publications in The New England Journal of Medicine, Neurology, and the Annals of Surgery.
Martha Espada - Pharmacy Technician - Regulatory Specialist
Martha graduated from Columbus State University with a degree in fine arts. She is happily married with two daughters and a young grandson. Prior to joining Columbus Memory Center, Martha worked in the field of graphic arts and for the Muscogee County School District. After retiring from MCSD in 2017, she joined Columbus Memory Center as a Pharmacy Technician and regulatory Specialist in Alzheimer's Research. She loves to visit museums, travel and spend time with her family.
Dawn Pitman - LPN -CRC
Dawn graduated from Columbus State Technical College in 2009. She has worked for Dr. Liss since 2010 as clinical research coordinator for Alzheimer's disease since 2014. Dawn is a military wife and mother three. She enjoys spending time with her family, camping, going to the lake and sporting events.
Nikki Zamarripa - MA - Office Manager
Nikki graduated as a medical assistant from Columbus Technical College in 2006. She joined Liss Neurology in 2014 as the Office Manager. Nikki is the proud mother of two children and two dogs. She enjoys camping, boating, gathering with friends, and Georgia football.
Piper Gilley - RN -CRC
Piper graduated from Southern Union State College in 2000 as a Registered Nurse. Upon completion, she worked as an R.N. in Endoscopy at Saint Francis Hospital for 13 years. She now works as clinical research coordinator for Alzheimer's disease. Piper is a wife and mother of six children. She enjoys spending time with family, going to sporting events and going to the lake.
Lindsay Frost - LPN
Lindsay graduated from Columbus Technical College in 2009 as a Licensed Practical Nurse. Upon completion, she worked with Dr. Liss as his full time nurse in his private medical practice. She now serves as a psychometric rater in the Alzheimer's clinical research trials. Lindsay is happily married with two children. In her spare time she enjoys spending time with her family, reading and visiting the beach.
Lisa Liss, Psychometric Rater, Research Contracts
Lisa graduated from The Ohio State University with a BSEd in Bilingual/Multi-Cultural Education and a MA in 2nd Language Acquisition. After teaching bilingual education for eight years, Lisa joined Liss Neurology in Medical Research. She is married and the mother of two grown children. Lisa enjoys traveling, gardening, music and reading.