Stephen V. McKenna

Generac Power Systems, Inc. designs and manufactures power generation systems. The firm’s products include home backup, portable generators, clean energy, pressure washers, generac pro, Wi-Fi enabled, parts & accessories, business standby, industrial generators, mobile generators, light towers, heaters and pumps. It also offers solutions for home owners, businesses and industries. The company was founded by Robert D. Kern and Patricia Kern in 1959 is headquartered in Waukesha, WI.

PQ Corp. produces silicate, zeolite, and other performance materials. It serves the detergent, pulp and paper, chemical, petroleum, catalyst, water treatment, construction and beverage markets. The firm's products include lithium silicates, magnesium sulfate, sodium silicate liquids and solids. It also manufactures silica gel products for catalyst and anti-blocking applications and the zeolite products for adsorbent applications. The company was founded by Joseph Elkinton in 1831 and is headquartered in Malvern, PA.

Jetro Holdings LLC sells food, household goods, equipment, supplies and related goods for grocery retailers and restaurants. The company was founded in 1976 and is headquartered in College Point, NY.

Sigma Capital Partners LLC (Sigma Capital Partners) is a private equity firm founded in 2003 by Thom Waye. The firm is headquartered in New York.

Consonance Capital Partners LLC (Consonance Capital Partners ) is a venture capital subsidiary of Consonance Capital Group founded in 2005 by Mitchell Blutt, MD, Nancy-Ann DeParle, Benjamin Edmands and Stephen McKenna. The firm is headquartered in New York.

Psychiatric Medical Care LLC engages in the provision of geriatric behavioral healthcare services. It offers inpatient care, outpatient care, and telepsychiatry. The company was founded by James Allen Greene in 2003 and is headquartered in Nashville, TN.

Orsini Pharmaceutical Services, Inc. provides healthcare and pharmacy services for the biotechnology manufacturing sector. The firm offers traditional wound therapy, negative pressure wound therapy, wound CareTeam, pain management, and chemotherapy. The company was founded by Tony Orsini in 1987 and is headquartered in Elk Grave Village, IL.

Keystone Peer Review Organization, Inc. operates as an improvement and care management organization. Its services include care management, utilization management, and peer reviews and credentialing. The company was founded in 1985 and is headquartered in Harrisburg, PA.