Brian Clausen

International Securities Exchange Holdings, Inc. operates and regulates a registered national securities exchange. The company was founded in September 1997 and is headquartered in New York, NY.

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.

Traiana, Inc. provides automated customer processing and support solutions. It offers Harmony network that delivers global market connectivity and processes the trades generated by buy and sell side participants for foreign exchange, equities, equity derivatives, and exchange traded derivatives; CCP Connect, a trade registration solution that adds central clearing and regulatory compliant services to Traiana’s market standard post-trade network; and ClientLink, a client servicing solution that delivers automation across the trade lifecycle. The company was founded by Gil Mandelzis, Eran Yehudai, Jonathan Cheifetz, Roy Saadon, James Chrystal and Shai Sole in April 2000 and is headquartered in New York, NY.

ICIX International, Inc. engages in connecting, sharing data and managing the performance and risk of global supply chains. The company’s network and risk management applications enable trading partners to connect and collaborate in order to verify and monitor business-critical information on products, trading partners and facilities. The company was founded by Matthew J. Smith and Tim Marchington in 2004 and is headquartered in South San Francisco, CA.

The Wunder Co. develops and manages solar investment funds. It manages the sourcing of commercial solar opportunities, to the underwriting, contracting, and construction of each project. The firm also manages the ongoing operation and maintenance of the array, bills the energy customer, and distributes proceeds to investors. The company was founded by Bryan Birsic, David Riess, and Sam Beaudin in 2013 and is headquartered in Boulder, CO.

La Plata Electric Association provides its members safe, reliable electricity at the lowest reasonable cost while being environmentally responsible.

Preciate, Inc. engages in the development of application to build the real-time story. The company was founded by Edward Allen Stevens in 2017 and is headquartered in Dallas, TX.

Prosper Marketplace, Inc. operates as a holding company with interest in operating a peer-to-peer online credit platform. The firm through its subsidiary Proper Funding operates an online marketplace that permits the lender members to bid on loan listings and purchases. It handles the funding and servicing of the loan on behalf of the matched borrowers and investors. The company was founded by Christian A. Larsen and John B. Witchel on March 22, 2005 and is headquartered in San Francisco, CA.

Dash Financial LLC provides securities brokerage services and solutions. It provides execution solutions to enable its clients to execute equities and options. The company was founded on January 1, 2002 and is headquartered in Chicago, IL.

National Financial Services is an operating division and the institutional trading arm of National Financial Services LLC. The firm is a broker/dealer headquartered in Boston. They execute equity and fixed-income securities trades on behalf of institutional clients as well as several Fidelity businesses. Their ultimate parent is FRM LLC. National Financial Services maintains a team of principal traders in New York that make markets in several hundred NASDAQ securities. The firm also has specialists on the Boston Stock Exchange. Their fixed-income operation is a principal dealer in a wide range of taxable and tax-exempt securities. They also underwrite municipal and government agency debt

Northwestern University is a private institution founded in 1851 to serve the Northwest Territory, an area that now includes the states of Ohio, Indiana, Illinois, Michigan, Wisconsin and parts of Minnesota. Northwestern has three campuses

Part of Potamus Management LLC, Potamus Trading LLC is a company that provides securities brokerage services. The company is based in Boston, MA.

Oasis Pro Markets LLC is a fintech and blockchain company that aims to bridge the gap between traditional finance, blockchain, and decentralized finance. The company is based in Darien, CT. Pasquale M. LaVecchia has been the CEO of the company since 2008. The company's subsidiary, Oasis Pro Market, is a FINRA member firm that operates a multi-asset ATS called OATSPro, which allows primary issuance and trading of public and private multi-asset digital securities. The platform enables subscribers to buy, sell, and offer a range of alternative assets in the secondary market, and make payments for digital securities via fiat and digital currencies. Oasis Pro Markets is the first US-regulated trading system authorized to allow subscribers to trade digital securities for digital cash.

Apex Clearing Corp. offers clearing and execution solutions to the financial services industry. It provides compliance, margin and financial solutions, portfolio financing and risk management. The company was founded by Peter Lawler in 2012 and is headquartered in Dallas, TX.

Professional Trading Solutions, Inc. engages in the provision of solutions for active and professional traders as well as hedge funds and prop trading groups. It offers low latency technology platforms and brokerage services. The company was founded by Scott Ignall in 2006 and is headquartered in New York, NY.

Mismi, Inc. operates as a electronic broker dealer and alternative trading system firm. It develops a suite of trade execution technologies that offer traders control, and single-name and portfolio execution. The company provides algorithmic trading, single-name execution strategies, portfolio and pairs execution strategies, portfolio and continuous crossing, optimization-based portfolio construction, and portfolio trading services. Mismi was founded by Andrew Papandreadis in 2006 and is headquartered in New York, NY.

ISE Stock Exchange LLC provides an equity trading platform to support electronic trading for market participants. It offers midpoint match an automated and instantaneous platform for trading equity securities, ETFs, as well as for trading stocks listed on NYSE, Amex, and NASDAQ. The company was founded in 2006 and is headquartered in New York, NY

FMR LLC engages in the provision of financial and investment services. It offers financial planning and advice, wealth management, retirement plans, trading and brokerage services, and investment products. The company was founded by Edward C. Johnson II in 1946 and is headquartered in Boston, MA.

Ariba, Inc. provides collaborative business commerce solutions. Its solutions include spend and supplier management, spend analysis, financial supply chain management, sourcing, contract management, supply chain collaboration and invoice management. The company was founded by Keith J. Krach, Robert J. Desantis, Paul Hegarty, Edward P. Kinsey, Robert D. Lent, Boris Putanec and Paul C. M. Touw in 1996 and is headquartered in Sunnyvale, CA.