MESO SCALE DIAGNOSTICS, LLC. | 26,408 followers on LinkedIn. Founded in 1995, Meso Scale Discovery (MSD) is a global leader in the development, manufacture, and commercialization of innovative assays and instruments for the measurement of molecules in biological samples. MSD’s proprietary MULTI ARRAY technology enhances medical research and drug development by enabling researchers to profile many biomarkers simultaneously in a single sample without compromising assay performance. MSD’s technology has been widely adopted by researchers in pharmaceutical companies, government institutions, universities, and clinical laboratories worldwide for its high sensitivity, excellent reproducibility, and wide dynamic range.