Stephen Johnston

Stephen Johnston, Ph.D.

Stephen Johnston

Stephen Johnston is the director of discovery solutions at the Center for the Development of Therapeutics (CDoT) of the Broad Institute of MIT and Harvard. He leads the compound management, laboratory automation, high-content imaging, and outreach screening scientific functions. He has previously held positions focusing on CDoT’s people, space, finances, and other operational and strategic needs.

Johnston’s primary scientific areas of expertise are liquid chromatography–mass spectrometry of small molecules, including assay development, purity assessment and purification, ADME, and maintenance and repair of analytical instrumentation. He also has extensive experience in the storage and distribution of small molecules for drug discovery uses including high-throughput screening. He was part of the organizing committee for the annual Boston Society HT-ADME conference from 2015 to 2019, chairing the conference in 2019.

Johnston received his bachelor’s degree in chemistry from Davidson College, followed by a doctorate in analytical chemistry from the University of North Carolina at Chapel Hill. He joined the Broad Institute in 2007. He is currently studying for an M.B.A. at the MIT Sloan School of Management.

Contact Stephen Johnston via email at

January 2022