Andrew F. Brenner

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.

Lightspeed Trading LLC provides securities brokerage services. Its products and services include open an account, brokerage, account types, trading software, risk management and trade reporting. The firm offers securities and direct access brokerage, trading and advanced order routing services to their clients utilizing their software products. The company was founded in 1994 and is headquartered in New York, NY.

King Energy Services, Inc. engages in the distribution and serving of oilfield, gas and mining equipment and related products. The company is headquartered in Durango, CO.

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.

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

Belzberg Technologies, Inc. provides trading technology and technology-based brokerage services. The company specializes in supporting trading professionals at dealers, hedge funds and money managers. The firm's clients use its tools and services for order management, market connectivity, execution and clearing services in equities and options for all major markets across North America. The company was founded by Sidney Belzberg and Alicia Belzberg in January 1993 and is headquartered in Toronto, Canada

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

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.

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.