John S. Clarkeson

National Bureau of Economic Research, Inc. was founded in 1920. The non-profit company is based in Cambridge, MA. The company provides investment research.

The Boston Consulting Group, Inc. engages in the provision of management consulting services. It specializes in automotive and mobility; biopharmaceuticals; consumer products; education; oil and gas; power and utilities; engineered products and infrastructure; financial institutions; and health care payers, providers, and services. It offers big data and advanced analytics; change management; client learning and enablement; and corporate development and financial services. The company was founded by Bruce Doolin Henderson in 1963 and is headquartered in Boston, MA.

Massachusetts General Physician's Organization, Inc. operates as a multi-specialty medical firm. It is working in partnership with the Massachusetts General Hospital and in cooperation with Partners HealthCare to builds on the synergies among clinical practice, research and teaching to improve its patient's well being and the professional lives of physicians and staff. The company is headquartered in Boston, MA.

Educational Testing Service, Inc. engages in the provision of educational and professional testing services. The firm designs, develops, and implements customized assessment systems and support services to advance learning worldwide. It also provides services in the area of research, assessment development, test administration, test scoring, as well as instructional products and services. The company was founded in 1947 and is headquartered in Princeton, NJ.