Since arriving at JPL in 2002, Dr. Peter Willis has served in a wide range of key roles that address all facets of JPL’s core vision in formulating, constructing, and operating robotic spacecraft missions. He has been involved in a host of instrument and mission formulation studies for the future exploration of Enceladus, Titan, Mars, and Europa. In 2008-2010 he served as a systems engineer on chemical analysis instrumentation intended for both the ExoMars lander and orbiter missions. Most recently he served as a member of the Europa Lander Mission Science Definition Team and coauthored that team’s study report. Currently, in addition to leading the Chemical Analysis and Life Detection Group at MDL, he is also a member of the Mars 2020 Mission Science Team, serving as the Investigation Scientist for the SuperCam instrument.