Tim D. Sheehan

Madison Dearborn Partners LLC (Madison Dearborn Partners) is a private equity firm founded in 1992 by John A. Canning Jr., Paul J. Finnegan, Samuel M. Mencoff, Robin P. Selati, James N. Perry Jr. and Timothy P. Sullivan. The firm is headquartered in Chicago, Illinois.

Valitas Health Services, Inc. provides contract healthcare and clinical staffing services. The company provides its services in medical clinics for military retirees & dependents, and community based healthcare units. The company was founded in 1971 and is headquartered in St. Louis, MO.

Sirona Dental Systems, Inc. was developing, manufacturing and marketing dental equipment. Its products include CAD/CAM restoration systems, imaging systems, treatment centers, instruments, and cabinetry. The company was founded on October 1, 1997 and was headquartered in York, PA.

Beecken Petty O'Keefe & Co LP (BPOC) is a private equity firm founded in 1996 by Dave Beecken, Bill Petty, and Ken O’Keefe. The firm is headquartered Chicago, Illinois.

VWR International LLC engages in the supply and distribution of laboratory equipment. It offers products in the areas of research and development, production, life science, healthcare, safety and industrial, controlled environment, furniture, chromatography, food and beverage analysis, and office supplies. The company was founded in 1852 and is headquartered in Radnor, PA.

Path Lab Holdings, Inc. used to provide clinical laboratory testing and diagnostic services. It was located in Portsmouth, NH.

Team Health, Inc. provides emergency department administrative and staffing services. It offers hospital based clinical outsourcing in different departments including anesthesia and hospital medicine, in addition to emergency medicine. The firm has patient centric model of healthcare delivery with hospitals and physician groups. The company was founded by H. Lynn Massingale and Randal Dabbs in 1979 and is headquartered in Knoxville, TN.

RDA Sterling Holdings Corp. provides clinical emergency management services. It offers emergency medicine and hospitalist services providing hospitals with medical professionals and management of their emergency department. The company was founded in 1977 and is headquartered in Lafayette, LA.

DTRT Health Acquisition Corp. is a blank check company. It was formed for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses. The company was incorporated on April 19, 2021 and is headquartered in Oak Brook, IL.