Brian Littlefield, Senior Vice President of Information Services. Previously, Brian served at Exagen Diagnostics, where he established the IS function, and developed and implemented information systems that enabled the company’s rapid growth. Prior to Exagen, Brian was with Prometheus Laboratories in a similar role, having joined just following the formation of the company. During that time, he led and developed specialized systems to support proprietary diagnostics testing services and promotion of specialty therapeutics. Prior to that, Brian worked as a consultant with Deloitte, and as Director of Support Services at Quidel Corporation. He holds a BS in Biochemistry from Purdue University, and an MBA from Pepperdine University.