Robert D. Newhouse

SenaHill Investment Group LLC (SenaHill Investment) is a Venture Capital subsidiary of SenaHill Partners LP founded in 2013. The firm is headquartered in New York.

Victor Technologies Group, Inc. is a designer, manufacturer and supplier of cutting, welding and gas control equipment used in various fabrication, construction and manufacturing operations around the world. Its products are used in a wide variety of applications and industries, where steel is cut and welded, including steel fabrication, manufacturing of transportation and mining equipment, many types of construction such as offshore oil and gas rigs, repair and maintenance of manufacturing equipment and facilities and shipbuilding. The firm designs, manufactures and sells products in categories that include gas equipment; plasma power supplies, torches and consumable parts; carbon arc gouging products; welding equipment; arc accessories, including torches, consumable parts and accessories; and filler metals and hardfacing alloys. The company markets its products under a portfolio of brands that includes Victor, Victor Thermal Dynamics, Victor Arcair, Victor Turbo Torch, Tweco, Thermal Arc, Stoody, Firepower and Cigweld. Victor Technologies Group was founded on August 8, 1987 and is headquartered in Chesterfield, MO.

Ice Execution Services LLC provides an alternative trading system for institutional option traders to execute exchange-traded derivatives. The firm offers its electronic platform for block trading of options, delta-neutral strategies, and options transactions. It provides its alternative trading system through multiple execution pathways, including a front-end trading platform; a FIX-based interface supporting programmatic order flow; and various OMS, EMS, and DMA platforms. The company was founded by Robert D. Newhouse in December 2007 and is headquartered in New York, NY.

Orbit II Partners LP is an American company.

TORC Financial LLC develops and sells financial automation software solutions. It offers solutions to the equity, options and futures markets. Their products include TradeSpeed, TradeSpeed Options Professional, RiskPro and Order Management System. The company was founded in 2003 and is headquartered in New York, NY.

Ice Execution Services LLC provides an alternative trading system for institutional option traders to execute exchange-traded derivatives. The firm offers its electronic platform for block trading of options, delta-neutral strategies, and options transactions. It provides its alternative trading system through multiple execution pathways, including a front-end trading platform; a FIX-based interface supporting programmatic order flow; and various OMS, EMS, and DMA platforms. The company was founded by Robert D. Newhouse in December 2007 and is headquartered in New York, NY.