Robert A. Mignatti

American Pathology Partners, Inc. operates as a network of pathology laboratories and practices. The firm provides clinical and technical support services in the areas of molecular diagnostics, flow cytometry, renal and pediatric pathology, perinatal and dermatopathology, cytology and immunohistochemistry; academic-caliber pathology services; and diagnostic services. It also provides subspecialty programs in the areas of women's health, urologic and hematopathology, and gastrointestinal and nephropathology; and business support services, including access to growth capital for liquidity and/or growth, senior management support, client services (sales and marketing), information technology, operational know-how, managed care contracting, billing, group purchasing, finance and accounting, human resources, and compliance. The company was founded by Edward D. Dooling Jr, Thanasis Papaioanu, Robert A. Yeager and Martin S. Rash in February 2008 and is headquartered in Brentwood, TN.

Esoterix, Inc. provides laboratory testing services. The company performs esoteric laboratory tests including testing for asthma, bleeding disorders, cancer, diabetes, and infectious diseases. The company was founded in 1995 and is headquartered in Austin, TX.