Nicholas A. Poan

Alliance HealthCare Services, Inc. engages in the provision of outsourced medical services. It operates through the following segments: Radiology, Oncology, Interventional, and Corporate. The Radiology segment provides mobile to fixed-site to service line management to hospitals and provider groups. The Oncology segment consists of a range of oncology services and ancillary services for cancer patients. The Interventional segment offers pain management services for a wide range of conditions and diseases through therapeutic, minimally invasive procedures to treat and ease pain, medication, laboratory testing, and other services. The company was founded in 1987 and is headquartered in Irvine, CA.

Deloitte & Touche LLP engages in the provision of audit, advisory, financial advisory, tax, and consulting services. The company was founded on March 7, 1995 and is headquartered in New York, NY.

Envision Healthcare Holdings, Inc. offers an array of healthcare-related services to consumers, hospitals, healthcare systems, health plans and local, state and national government entities. The company provides and manages community-based medical transportation services, including emergency, non-emergency, managed transportation, fixed-wing air ambulance and disaster response. It operates through two reportable segments: EmCare and American Medical Response. The EmCare segment provides integrated facility-based and post-acute care physician services to healthcare facilities in the United States. EmCare provides emergency, anesthesiology, hospitalist/inpatient care, radiology, tele-radiology and surgery services as well as other administrative services. The American Medical Response segment provides ambulance and other medical transportation services in the U.S. This segment provides emergency response services primarily under long-term exclusive contracts with communities and hospitals. Its emergency medical technicians provides and manages community-based medical transportation services, including emergency 911, non-emergency, managed transportation, fixed-wing air ambulance and disaster response and utilize two types of ambulance units: Advanced Life Support and Basic Life Support. Envision Healthcare Holdings was founded in February 2011 and is headquartered in Greenwood Village, CO.

Envision Healthcare Corp. provides physician-led, outsourced medical services. It provides a broad range of coordinated, clinically-based care solutions across the continuum of care, from medical transportation to hospital encounters to comprehensive population health services. The firm solutions include healthcare system payers, community and government leaders, clinicians, improving patient experiences, improving clinical outcomes, reducing cost of care, improving provider experiences, and population health. The company was founded on November 1, 2005 and is headquartered in Greenwood Village, CO.