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John Colby, M.D., Ph.D.

Dr. Sowell joins John Colby Ph.D. and Florence Roussotte, Ph.D. as they celebrate their graduation

Post Doctoral Fellow, UCLA Medical Scientist Training Program


Dr. John Colby is currently completing his medical residency training in Hawaii.




Focusing on problems at the interface of science, engineering, and medicine.

Dissertation research involves several components: 1) The development of novel diffusion MRI analysis methodologies for investigating white matter connections in the human brain (engineering), 2) Studying the relationship between white matter maturation in the frontal lobe and executive functioning advancements during typical development (neuroscience), and 3) Investigating the ways this relationship is affected in the context of fetal alcohol exposure (medical application).


MD/PhD student in the departments of Biomedical Engineering and Neurology at UCLA.

Undergraduate Bioengineering at UC San Diego