Evan comes from a background of specializing in Radiosonde observations with the National Weather Service.  Since joining Argonne in 2019 he has taken on a multitude of technical roles to support the EVS mission.  Evan is the building and site manager for the Argonne Testbed for Multi-scale Observational Studies (ATMOS)(formerly known as 484).  He also manages the Argonne National Laboratory 60m meteorological tower.  He also supports the Atmospheric Radiation Measurement (ARM) group by managing the radiosonde observation network.