Contributing Writers

Ken Lau, PhD
Senior Technical Marketing Manager


Ken received his PhD from the University of Florida while focusing on the interaction between gut bacteria, Th17 cells, and Type 1 Diabetes onset. After graduating, Ken joined BioLegend as a Technical Marketing Scientist, helping with customer inquiries and designing unique scientific content for the website and literature. He enjoys gaming, the gym, and managing his aquarium. His favorite movies include Sin City, Scott Pilgrim vs. the World, and the Dark Knight.

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Kelsey Swartz, PhD
Technical Writer II


Kelsey received her PhD from Northwestern University where she studied non-canonical roles for cell cycle regulators in erythroid cell development. After living in three Midwestern states (Nebraska, Illinois, and Wisconsin), she left winter behind and moved to San Diego joining BioLegend as a technical service scientist. She enjoys trying new foods, reading, watching sports, and board games.

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Kellie Johnson
Technical Service Supervisor


Kellie received her BS degree in Biology, with a concentration in Botany and a minor in Chemistry from San Francisco State University. Upon graduation, she entered the World of Biotech in the SF Bay Area, and worked in many areas of research, ranging from cardiovascular system work to mammalian gene function (utilizing knockout mice) and antibody-mediated drug design. After leaving the bench, she moved into technical support, helping customers for over 10 years and now aiding the BioLegend team. Outside of work, she is an avid sports fan and loves Bay area football, baseball, and basketball teams. She also enjoys cooking, fermenting her own hard cider, and gardening. She is also mildly obsessed with the Rolling Stones…having seen them in concert more than 40 times!

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Ekaterina Zvezdova, PhD
Technical Service Scientist II


Ekaterina received her PhD from N.N. Blokhin National Cancer Research Center (Moscow, Russia) where she studied the mechanisms regulating the negative selection of T cells in the thymus. After her PhD, Ekaterina decided to move across the Atlantic Ocean to continue doing research. During her postdoctoral training at National Institutes of Child Health and Human Development, Ekaterina studied the role of the newly identified proteins in T cell and B cell biology. Then she moved to the Big Apple for a postdoctoral training at Columbia University Medical Center, where she studied hematopoietic stem cell development with a focus on myeloid cell and dendritic cell biology. Later, she decided to move to sunny California and joined BioLegend as a Technical Service Scientist. Ekaterina enjoys traveling, hiking, performance art, photography and workouts in the gym.

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Christopher Dougher, PhD
Technical Service Scientist


Christopher Dougher is a native of Buffalo, NY. He received his Bachelor’s degree in Premedical Studies from the University of Notre Dame, and a PhD in Immunology from the University at Buffalo. His research utilized a circulatory ST6Gal-1 over expression-model to study changes to marrow subsets under conditions of hematopoietic demand. In particular, Chris is interested in the functional interplay between intrinsically and extrinsically produced enzyme among these cell populations. In his free time, Chris enjoys hiking, traveling, and restoring vintage sports cars with his father.

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Dzung Nguyen, PhD
Cell Analysis Program Manager


Dzung received his PhD from John Hopkins University studying the role of lipid rafts in the biology of HIV. He did post-doctoral studies at the National Institute on Aging and at UCSD, investigating the role of cholesterol in chemokine receptor function and the immunology of sialic acids. Dzung started at BioLegend in the role of Technical Service Scientist and is now Director of Technical Marketing.He enjoys playing guitar, writing music, making movies, and Clash of Clans. His favorite movie line is from the Fellowship of the Ring, “All we have to decide is what to do with the time that is given us.”

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