Donato A. Montanaro

Katten Muchin Rosenman LLP provides legal services. The firm specializes in corporate, financial services, litigation, real estate, commercial finance, intellectual property, trusts and estates, antitrust, bankruptcy, international trade, employee benefits and executive compensation, employment, environmental, public finance and tax. The company was founded in 1974 and is headquartered in Chicago, IL.

Gemini Consulting Group, Inc. provides management consulting services. Its services range from management consulting, to the development of day surgery centers and hospitals. The company was founded by James B. McCarthy and is headquartered in Oak Brook, IL.

Ally Invest Group, Inc. provides investment brokerage and advisory services to investors through its wholly owned subsidiaries. The company was founded by Donato A. Montanaro Jr., Peter Seed, Thomas A. Desmond, Philip A. Claxton and Richard J. Hagen Jr. in 2005 and is headquartered in Charlotte, NC.

Millennium Information Technologies Ltd. provides information technology solutions. It specializes in IT solutions for the financial and telecom industries. The firm also offers information technology infrastructure and consulting services. Its capital markets products include Millennium Exchange, Millennium SOR, Millennium MarketData, Millennium Surveillance, Millennium PostTrade and Millennium Gateway. The company was founded by Anthony Mahinda Thomas Weeresinghe in 1996 and is headquartered in Malabe, Sri Lanka.

Founded in 2009 by Karlheinz Muhr, Stuart Rosenthal and Richard Roll, Factor Advisors LLC is an investment advisor headquartered in Summit New Jersey. The firm manages FactorShares, a family of spread ETFs. They are a subsidiary of Exchange Traded Managers Group LLC.

Russell Investments Ltd. (RIL) is an investment management firm headquartered in London, UK. The firm was founded in 1979 and is a subsidiary of Russell Investments Systems Ltd., itself a subsidiary of Russell Investment Management LLC in the US. RIL provides investment management and investment consulting services for institutions, financial advisors, and individual investors.

Euronext Growth Milan engages in the organization and management of the Italian stock exchange. Its activities include: overseeing transaction activities; defining the rules and procedures for admission and listing on the market for issuing companies, as well as for intermediaries; and the supervision of listed company disclosures. The company was founded in 1997 and is headquartered in Milan, Italy.

Stroock & Stroock & Lavan LLP provides legal services. It is a law firm, which provides transactional and litigation guidance to multinational corporations, investment banks & venture capital firms in the U.S. and abroad. Its practice areas include corporate finance and legal services to financial institutions, energy, financial restructuring, insurance, intellectual property, litigation, and real estate. The company was founded in 1876 and is headquartered in New York, NY.

Lazard Group LLC provides financial advisory, asset management, and other financial services. The firm offers services related to mergers and acquisitions, strategic advisory, middle market advisory, capital markets and capital structure advisory, sovereign advisory, restructuring, and private fund advisory. The company was founded in 1840 and is headquartered in New York, NY.

FTSE International Ltd. is the brokerage subsidiary of FTSE Group in Great Britain, a global leader in indexing and analytical solutions which calculates thousands of unique indexes that measure and benchmark markets and asset classes in countries worldwide. Established in 1995, FTSE International Ltd. creates, manages and provides a range of equity, fixed-income, real estate, currency, commodity, non market-cap, regional and partner, alternative, responsible investment, investment strategy, and customized indexes on a standard and custom basis. Their indexes are used by investors for investment analysis, performance measurement, asset allocation, portfolio hedging and for creating a range of index tracking funds. Based in London, the firm has additional offices in London, Beijing, Dubai, Milan, Mumbai, Hong Kong, New York, Paris, San Francisco, Sydney, Shanghai, and Tokyo. They also publish and distribute monthly and annual performance and research reports.

Accenture LLC operates as a global management consulting, technology services and outsourcing company. The company is headquartered in Reston, VA.

Turquoise Trading Ltd. provides electronic execution services to buyers and sellers of pan-European equities, delivering differentiated value throughout the trading process. The firm's multi-lateral trading facility (MTF) operates uniformly across 15 European markets with a unique market model, a fully risk-managed clearing solution and efficient economics. Its MTF's integrated market combines dark and visible orders to increase execution and price improvement for small orders, whilst minimizing information leakage and market impact for larger, institutional-size orders. Turquoise technology delivers high throughput and ultra-fast response times to the most demanding trading specifications in the world.

Five Degrees Solutions BV provides software and application solutions for financial activities. Its Matrix offers banking architecture, project, operational, and support services. The firm also provides universal banking, wealth management, and financial inclusion. The company was founded by Martijn Hohmann on March 1, 2009 and is headquartered in Breukelen, the Netherlands.

Cloud Technology Partners, Inc. provides cloud computing consulting services for migrating, developing and managing cloud applications and infrastructures. Its solutions include cloud strategy and economics, cloud security and governance, application portfolio assessment, application migration, cloud native development, application modernization, big data and analytics, and tools and technologies. The company was founded by Christopher H. Greendale. Erik W. Sebesta, Jonathan L. Rounds, and James Lampert in 2010 and is headquartered Boston, MA.

GENCAP Ventures LLC provides securities trading and exchanging services. The private company is based in Dallas, TX. Samuel Ralph Masucci has been the CEO of the company since 2012.

Part of London Stock Exchange Group plc, LCH.Clearnet LLC operates as a derivatives clearing organization.

Part of London Stock Exchange Group plc, globeSettle SA is a Luxembourger company that provides central security depository services. The company is based in Luxembourg, Luxembourg.

Meniga Ltd. engages in the provision of white-label personalized digital banking software. It offers include digital banking, marketing, and data consolidation and enrichment products. The company was founded by Georg Ludviksson, Asgeir Orn Asgeirsson, and Viggo Asgeirsson and is headquartered in London, the United Kingdom.

Part of London Stock Exchange Group plc, Gatelab Srl is a company that engages in the trade of securities. The company is based in Isernia, Italy.

Procure Holdings LLC specializes in asset management, consulting services and intellectual property. The firm offers procure ETFs, consulting, and IP services. The company was founded by Andrew Chanin and Robert S. Tull, Jr. and is headquartered Levittown, PA.

Ridge-Lane LP is an American company that offers strategic consulting and venture development services. The private company is based in Washington. The company was founded by R. Brad Lane and Thomas Joseph Ridge, and R. Brad Lane has been the CEO since its incorporation.

Part of Explore123 Ltd., Exactpro Systems Ltd. is a leading independent provider of software testing services for mission-critical technology that underpins financial markets. The company is based in London, UK. The British company provides Quality Assurance Service and specializes in quality assurance for exchanges, investment banks, brokers, and other financial sector organizations worldwide. Exactpro Systems offers a range of testing tools, including Sailfish, Load Injector, Minirobots, and Clearth, for functional and operational testing of securities data distribution, trading systems, risk management, market surveillance, and post-trade infrastructures. The company's non-functional testing service is a strong feature, with tools such as Load Injector and Minirobots being very useful in the emulation of heavy loads, multiple participants' activity, and high rates of transaction in electronic markets. The company also offers passive testing tools such as SHSHA, which allows observing the system without interacting with it. Exactpro Systems discusses how technology innovation can improve efficiency, increase quality assurance levels and due diligence standards, ensure resiliency, and regulatory compliance. The company was founded in 2009 by Iosif Itkin and Alexey Zverev, and Alexey Zverev and Iosif Itkin have been the CEOs since 2009.

Members Exchange, also known as memx, is a fast-growing equities exchange founded by members to represent all investors. The private company is based in Jersey City, NJ, and was founded in 2019. The company aims to promote a fair, transparent, and efficient experience for all investors by continuously innovating and listening to their needs. Memx offers a simpler platform and features that benefit both retail and institutional investors, including a limited number of order types to promote simple and transparent interactions, investments in the best and latest technology to deliver fast and efficient execution, and lower pricing on market data, connectivity, and transaction fees. Jonathan Kellner has been the CEO of the company since 2019.

State Street Global Advisors (State Street Global Advisors) is a private equity subsidiary of State Street Corp. founded in 1978. The firm is headquartered in Boston, Massachusetts.

Deep Space Acquisition Corp. I is a blank check company. It engages in the business of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization, or similar business combination with one or more businesses. The company was founded on April 16, 2021 and is headquartered in Levittown, PA.