Meet the expert...
Leon Chang
Principal Scientist at Johnson & Johnson

Leon Chang is a Principal Scientist in the Discovery Immunology team at Johnson & Johnson Innovative Medicine. Leon started his career at J&J in the Neuroscience team and later transitioned into Immunology. Leon earned his Bachelor of Science in Biochemistry and Certificate in Biostatistics, both at the University of California, San Diego and is an author on 17 peer reviewed publications.
In his free time, Leon enjoys traveling and dining across the world with his wife and son, as well as attending pop culture conventions, most recently Evolution 2023 in Las Vegas and Comic-Con in San Diego.