Arthur John Hass

Platinum Underwriters Holdings Ltd. operates as a holding company, which through its subsidiaries provides property and marine, casualty, and finite risk reinsurance coverage to a diverse clientele of insurers and select reinsurers. It operates through three segments: Property and Marine, Casualty, and Finite Risk. The company was founded on April 19, 2002 and is headquartered in Pembroke, Bermuda.

Rosetta Stone, Inc. engages in the provision of technology based language learning solutions. It develops, markets, and sells language learning solutions consisting of software products, online services, and audio practice tools under the Rosetta Stone brand. It operates through following segments: Literacy, Enterprise and Education Language, and Consumer Language. The Literacy segment offers literacy solutions through Software-as-a-Service model which serves grades K through 12. The Enterprise and Education Language segment relates to language-learning to educational institutions, corporations, and government agencies under a SaaS model. The Consumer Language segment supply products to individuals and retail partners. The company was founded by Allen Stoltzfus and John Fairfield in 1992 and is headquartered in Arlington, VA.

OptionsHouse LLC operates as an online stock and option broking company. It offers trading platforms for retail and institutional options traders and investors. The firm offers trading platform, mobile trading, and virtual trading services. The company was founded by Danny Rosenthal and David Budworth in 2005 and is headquartered in Chicago, IL.

Safetec Compliance Systems, Inc. provides automated and chemical inventory management software solutions. It offers comprehensive, automated (M)SDS and chemical inventory management solutions via a Software as a Service platform. The company was founded by Paul Burkett in 1995 and is headquartered in Vancouver, WA.

Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis.

PEAK6 Group LLC engages in the provision of financial services. It offers apex clearing, capital management, sports, and strategic capital. The company was founded by Matthew Nels Hulsizer and Jennifer Just Makowiec in 1997 and is headquartered in Chicago, IL.

Telemedicine Solutions LLC offers an electronic documentation and wound care management systems. The firm offers Wound Round product. The company was founded by John Croghan and Philip Sheridan in 2005 and is headquartered Schaumburg, IL.

Rosetta Stone Inc. provides cutting-edge interactive technology that is changing the way the world learns. The company was founded in 1992 and is headquartered in Arlington, VA.