Research Scientist, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California, 2016-
Lecturer in Geochemistry, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California, 2025-
  Environmental bioinorganic chemistry and geobiology
    Biological manganese oxidation
    Psychrophilic metalloprotein structure, dynamics, and thermodynamics
    Microbial hydrocarbon degradation and methanogenesis
    Optical and magnetic spectroscopies

Assistant Professor, Department of Chemistry, Barnard College, New York, New York, 2007-2016
    Environmental bioinorganic chemistry and geobiology
    Psychrophilic metalloprotein structure, dynamics, and thermodynamics
    Microbial hydrocarbon degradation and methanogenesis
    Optical and magnetic spectroscopies

Postdoctoral Scholar in Chemistry, California Institute of Technology, Pasadena, California, 2003-07
    Research with Harry B. Gray
​    Electron transfer and protein dynamics in cytochrome c

Ph.D. in Inorganic Chemistry, Northwestern University, Evanston, Illinois, 2002
    Graduate Research with Hilary Arnold Godwin
    Coordination chemistry, thermodynamics, and kinetics of metal binding to zinc-binding peptides
    Molecular mechanisms of lead poisoning

M.S. in Chemistry, Northwestern University, Evanston, Illinois, 1999

A.B. with Honors in Chemistry, Dartmouth College, Hanover, New Hampshire, 1998
    Undergraduate Research with Dean E. Wilcox
    Spectroscopic characterization of the interactions of nitric oxide with cobalamins

---