Preston Barrett is a seasoned sales and business development professional with extensive experience in the scientific and technological sectors. Currently serving as a Sr Principal Sales Territory Manager at MKS Instruments since February 2021, responsibilities include sales management in key geographic areas. Previously, Preston held senior roles at FLIR Systems, including Senior Business Development Manager and Territory Account Manager, focusing on integrated imaging solutions across North America. Additional experience includes sales management positions at NET USA Inc., Allied Vision Technologies, Princeton Instruments, and others, emphasizing account management, business development, and sales engineering. Preston's career began in the US Navy as an Aviation Electronics Technician, underscoring a strong technical foundation supported by formal training in avionics technology.