Sean McArthur

Underground Solutions, Inc. is an infrastructure technology and pipeline rehabilitation company. It provides infrastructure technologies for water, sewer and conduit applications. The company was founded is headquartered in Poway, CA.

UGSI Solutions, Inc. provides chemical feed and water disinfection technologies to municipal and industrial clients. It offers infrastructure technologies to the water, wastewater and energy industries. The company is headquartered in Milpitas, CA.

Citigroup Global Markets, Inc. engages in the provision of brokerage, investment banking, and asset management services to individuals, businesses, and governments. The company was founded by Julie E. Silcock and is headquartered in New York, NY.

Nanoscopia, Inc. manufactures and wholesales medical devices. The company was founded by Sean McArthur and Richard Greeley and is headquartered in Dublin, CA.

Riverwood Capital Management LP (Riverwood Capital) is a private equity firm founded in 2007 by Francisco Alvarez-Demalde and Jeff Parks. The firm is headquartered in Menlo Park, California.