David Larson is a Senior Prototyping Engineer at Twelve since March 2022 and previously held roles at Berkeley Lab from December 2005 to March 2022, including Principal Scientific Engineer Associate and Senior Scientific Engineer Associate. Prior to this, David worked as a Graduate Student and Research Assistant at the Santa Cruz Institute For Particle Physics, focusing on silicon strip detector characterization and designing a charge collection efficiency measurement apparatus. David earned a Master's degree in Physics from the University of California, Santa Cruz, between 2003 and 2005 and a Bachelor of Science degree in Physics and Math from Humboldt State University from 1998 to 2003.