Caleb Ho was originally from Hong Kong, and graduated from UCLA in 2004, majoring in Microbiology, Immunology, and Molecular Genetics. During his time off from college, he worked as a classroom assistant in the Lanterman Developmental Center, with elderly people with mental retardation. Currently, he's interested in various subspecialties within internal medicine, including GI, oncology, and endocrinology. During spare time, he likes snowboarding, watching TV, drawing and designing stuff.