Professor, Astrodynamics & Satellite Navigation • Research and Engineering Center for Unmanned Vehicles (RECUV) • Colorado Center for Astrodynamics Research (CCAR)
Distinguished Professor of Geography, Arctic climate; global implications; and climate warming in the Arctic • Director of National Snow and Ice Data Center (NSIDC) • Fellow of Cooperative Institute for Research in Environmental Sciences (CIRES) • Arts and Sciences College Professor of Distinction