During her time at UMSL, Sigmund assisted with comet spectroscopy research and interned at the National Geospatial-Intelligence Agency.

During her time at UMSL, Sigmund assisted with comet spectroscopy research and interned at the National Geospatial-Intelligence Agency.
During her time at UMSL, Sigmund assisted with comet spectroscopy research and interned at the National Geospatial-Intelligence Agency.
During her time at UMSL, Sigmund assisted with comet spectroscopy research and interned at the National Geospatial-Intelligence Agency.
Walker studies Poecilia mexicana, a species of live-bearing fish that have adapted to surviving in hydrogen sulfide-abundant waters, in the Tobler Lab.