Meet the TEAM
Claudia Han, PhD
Assistant Professor
Claudia joined the BIG Center and the Department of Pathology and
Immunology in winter 2023. She received her PhD from the University of Virginia School of
Medicine and completed her postdoctoral studies at UCSD. In her free time, she enjoys
eating, photography, watching mysteries and Asian TV dramas, and running—but only short
distances.
Yangchen, MS
Research Tech II
Yangchen received a BA in Biological Science with a minor in
Chemistry and a minor in Bioinformatics from San Jose State University. She receives a
master's degree at Johns Hopkins University, majoring in Biotechnology with a concentration
in Bioinformatics. She is interested in immunology, pathology, and diseases. In her free
time, she enjoys listening to music, traveling, exploring cities, and participating in
outdoor activities.
Arianne Pagan-Torres
Neuroscience Graduate Student
Arianne earned a BS degree in Microbiology from Universidad Ana G.
Méndez in Puerto Rico. She completed a postbaccalaureate program studying glial cells in
lysosomal storage disorders at the University of Chicago. Currently, Arianne is a student in
the DBBS Neuroscience program, with interests in neuroimmunology, and glia and lysosomal
dysfunction in diseases. In her free time, she enjoys reading, board games, music, and
outdoor activities.
Josue Figueroa
Undergraduate Student
Josue is an undergraduate student at Washington University in St.
Louis majoring in Biology on the Neuroscience track. He is interested in neuroscience,
nutrition, and diseases. In his free time, he enjoys playing tennis, the violin, and going
on bike rides.
Rachel Johnston
Research Tech II
Rachel received a BA in Neuroscience through the Distinguished
Majors Program at the University of Virginia. During her time at UVA, she worked on
developing organ-on-chip models to study interactions between the immune system and the
brain. She is especially interested in how cells drive disease processes. In her free time,
she enjoys baking, hiking, thrift shopping, and running.
Past Members
- Rotation student: Alexis Robertson - Neuroscience Graduate Student
- Rotation student: Rongzhen Yu - Immunology Graduate Student