Derrell Johnson currently serves as the Global Head of Reference Materials at MilliporeSigma since May 2024, where responsibilities include achieving revenue and profitability goals and developing strategies for the Reference Material portfolio. Prior to this role, Johnson was the Innovation Manager for the Reference Materials Franchise at MilliporeSigma from April 2016 to May 2024, leading a team focused on proficiency testing and new product development. Johnson's earlier career at Cerilliant Corporation, spanning from 1999 to 2016, involved various roles including Manager of New Product Strategy & Tactical Marketing, where strategic product development was key, as well as New Product Development Manager, Quality Control Chemist, and Synthesis Chemist. Educational qualifications include an MBA from Texas State University, an MS in Organic Chemistry from Texas A&M University, and a BS in Chemistry from Texas Lutheran University.