Malcolm Durkin is a physicist working with the Quantum Sensors Group. His research at NIST focuses on the development of time-division multiplexed SQUID readout of transition-edge sensor arrays for both ground based experiments and future space telescopes. Malcolm has extensive experience designing, specifying, and testing superconducting readout electronics for large scientific collaborations as well as in the use and optimization of TES microcalorimeter arrays in experimental applications.