William Hollander

High Precision Devices, Inc. manufactures scientific instruments and systems involving optics; precision-mechanics; cryogenics; vacuum and ultra-high vacuum; and electronics. Its products include environmental monitors, laser power meter, quantitative MRI (magnetic resonance imaging), reseearch cryostats, cryogenic probe stations, and cryogenic dip probes. The company was founded by William Hollander in 1993 and is headquartered in Boulder, CO.

Calibermri, Inc. is a private company that aims to improve the standard of care through standardization of MRI. The company is based in Boulder, CO and was founded by William Hollander, who has been the CEO since incorporation. The company produces integrated phantom/software platforms to ensure accurate, repeatable, and reproducible quantitative MRI measurements. The company's products are developed in conjunction with national institutes and societies to improve quantitative imaging results, reduce clinical trial costs, and advance the standard of care. Calibermri works with researchers, hospitals, and clinicians around the world and has a growing distributor network.