Members
The people who see and make the molecules.
Organised by subgroup, then seniority — so prospective students know exactly who to reach out to. Hover any card for their research focus; click through for their publications.
Principal Investigator

Hosea M. Nelson
B.S. UC Berkeley · Ph.D. Caltech (Stoltz) · Postdoc UC Berkeley (Toste)
hosea@caltech.eduStructural Chemistry
Electron microscopy method development — MicroED, single-particle analysis, and electron tomography — for atomic-resolution structures.
Postdoctoral scholars
Dr. David Delgadillo
Ph.D., University of California Santa Cruz
ddelgadi@caltech.eduSynthesis & Catalysis
Reaction and catalyst discovery guided by mechanism and high-energy reactive intermediates.
Postdoctoral scholars
Dr. Sergio O. Lovera
Ph.D., University of California, Riverside
solovera@caltech.eduGraduate students · most senior first
Alumni
Former members now across academia and industry, plus the visiting scholars who have worked with us.
Alumni
Former graduate students
Faculty, postdoctoral, and industry placements
Alumni
Former postdocs
Independent careers across academia and industry
Alumni
Visiting scholars
Collaborators and short-term researchers

Official Nelson Lab dog
Abi Nelson
B.S. UC Bark-eley