A. Roger Tsai

Inpatient Medical Services, Inc. provides hospitalist and post-acute care physician services including transitional and complex care management. It offers hospitalist and nocturnist programs, transitional care, orthopedic collaboration and surgical clearance, emergent consultation, co-medical management, and pre-admission testing services. The company was founded by Craig Stevens, Paul T. Pennza, Michael N. Huber, John Shin, Robert J. Schaal, and Greg Ferner and is headquartered in Fairlawn, OH.

Global Factory, Inc. provides collaborative manufacturing execution systems. The firm's software gather, organize & analyze demand, production & quality data from various sources and monitor key indicators & execute business processes to control, manage & optimize distributed manufacturing operations. The company was founded in 1999 and is headquartered in Santa Clara, CA.

The American College of Emergency Physicians operates a professional organization for emergency medicine physicians. The non-profit company is based in Irving, TX.

The Society of Hospital Medicine operates as an American healthcare company. The non-profit company was founded by Ronald Greeno and Win Whitcomb.