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Cornell University

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Flow Cytometry Facility

Julie Sahler

Director, Flow Cytometry Facility

Julie has flow cytometry experience beginning in 2009 obtaining the ability to design, implement, and analyze high-color flow cytometry of immune cells, but also having expertise in troubleshooting unconventional flow cytometry, such as microvesicle identification and sorting Salmonella-infected macrophages. Julie obtained her Ph.D. in Microbiology and Immunology from the University of Rochester Medical Center, and most of her career has been spent in academic research, however, she did spend three years as lead scientist in a small biotech company, performing mainly contract research to gain essential customer-focused perspective. Julie assumed the directorship of the Cornell Flow Cytometry Core in Spring of 2025. She enjoys applying flow cytometry techniques variety of research fields and aims to educate both new and experienced flow cytometry users to take their research to the next level.

Jaclyn Mahoney

Flow Technologies Manager

Jackie received her bachelor’s degree in environmental systems from Cornell University. She worked as a research specialist and lab manager for five years in Dr. Michelle Heck’s laboratory helping to research Citrus Greening disease. She joined the Flow Cytometry Facility in 2019 just after the facility’s expansion, and has been assisting users with training and instrumentation operation.

Amanda Ferguson

Flow Cytometry Technician

Amanda has a Bachelor of Agriculture in Plant Pathology and a Masters of Landscape Architecture both from The Ohio State University.  Before joining the Flow Facility, she worked in research and laboratory support at local companies ST Genetics and Transonic Systems, Inc.  As a facility technician, she assists users with training and instrumentation operation.

Michael Sledziona

Flow Cytometry Technician

Mike studied Applied Physics at Cornell. Before joining the Flow Facility, Mike worked as a 
technician and lab manager for Dr. Cheetham's lab at the vet school assisting
with research into regeneration mechanisms associated with peripheral nerve injury.