David B. Stone

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.

North American Management Corp. (NAM) is a privately-held, SEC-registered investment advisor headquartered in Boston, Massachusetts. Founded in 1928, NAM provides investment services to individuals, families, trusts, estates, charitable organizations, limited liability partnerships, pensions and profit -haring plans, corporations, and single family offices.