John P. Dubinsky

Aegion Corp. engages in the provision of infrastructure protection, maintenance, and rehabilitation. It operates through the following segments: Infrastructure Solutions, Corrosion Protection and Energy Services. The Infrastructure Solutions segment focuses on the municipal water and wastewater pipeline sector. The Corrosion Protection segment captures the benefits of continued oil and natural gas pipeline infrastructure developments. It also protects, maintain, rehabilitate, assess, and monitor pipelines from the effects of corrosion. The Energy Services segment gives value proposition based safety and labor productivity programs, which allow cost-effective construction, maintenance, turnaround, and specialty services. The company was founded in 1971 and is headquartered in Chesterfield, MO.

BJC Health System engages in healthcare services. It offers inpatient and outpatient care; primary care; community health and wellness; workplace health; home health; community mental health; rehabilitation; and long-term care. The company was founded in 1993 and is headquartered in St. Louis, MO.

National Public Radio, Inc. produces and distributes noncommercial news and entertainment programs. The company is headquartered in Washington, DC.

Insituform Technologies LLC provides cured-in place pipe, other technologies, and services for the rehabilitation of water and wastewater pipeline systems. It offers solutions to remediate operational, health, regulatory, and environmental problems resulting from aging and defective pipelines. The company was founded in 1971 and is headquartered in Chesterfield, MO.

Drury Inns, Inc. owns and operates hotels & restaurants. Its hotel brands include Drury Inn, Drury Inn & Suites, Drury Suites & Pear Tree Inn. It has locations in Alabama, Colorado, Georgia, Illinois, Indiana, and Kansas. Drury was founded in 1973 and is headquartered in St. Louis, MO.

Arch To Park LLC provides investment management services. The company is headquartered in Clayton, MO.