Roger Overby

Susquehanna International Group LLP engages in the provision of investment and other financial services. It offers institutional brokerage, trading, research, and market making services for equities. The company was founded by Lon Taylor and Gordon Apple in 1987 and is headquartered in Bala Cynwyd, PA.

University of Southern California is a private research university that mainly offers undergraduate, graduate & other higher education. The university was founded in 1880 and is headquartered in Los Angeles, CA.

United Biologics LLC provides allergy testing and immunotherapy services to primary care physicians. It also provides ENT providers, dermatologists, pediatricians, internal medicine providers, and healthcare systems that treat the patients with seasonal and perennial allergies. The company was founded in 2009 and is headquartered in San Antonio, TX.

Group 42, Inc. operates as a holding company for energy service providers in the oil and gas industries. Its operating companies include Well Flow International, Flo Trend Systems, and related international joint ventures. The firm also provides proprietary wellbore cleanup and specialty stimulation chemicals, downhole tools, and liquids and solids separation solutions to enterprise and energy producers in North America, Asia Pacific, the Arabian Gulf, West Africa, and the North Sea. The company was founded by Paul A. Bell in 1997 and is headquartered in San Antonio, TX.