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Key people at Miami International Holdings.
Miami International Holdings was founded in 2007 by Thomas P. Gallagher (Founder, Chairman and CEO).
Miami International Holdings, operating as MIAX, constructs and manages regulated financial marketplaces across various asset classes and geographic regions. The company leverages a technology-driven approach to provide exchange services, specifically operating multiple US options exchanges and the MIAX Futures Exchange, each offering tailored trading and pricing models for market participants. These platforms are designed to facilitate efficient and reliable execution within the derivatives space.
The company was formed in 2007, with Thomas P. Gallagher identified as a principal founder. Mr. Gallagher has since served as the Chairman of the Board of Directors and is also the Chief Executive Officer of MIH and its MIAX Exchanges. His vision centered on establishing technologically advanced and regulated trading venues to address evolving market demands and participant needs.
MIAX serves a diverse base of market participants, including institutional traders, brokers, and investors who utilize its platforms for options and futures trading. The company's long-term vision is to continually innovate within financial market infrastructure, expanding its regulated marketplaces to provide greater access and sophisticated trading solutions across an increasing array of asset classes globally.
Key people at Miami International Holdings.
Miami International Holdings was founded in 2007 by Thomas P. Gallagher (Founder, Chairman and CEO).
Miami International Holdings has 2 tracked investments across 2 companies. The latest tracked deal is $35.0M Series A in Architect in December 2025.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Dec 23, 2025 | Architect | $35.0M Series A | Miami International Holdings, Tioga Capital | ARK Invest, CMT Digital, Coinbase Ventures, Galaxy Ventures, Strobe Ventures, Third Kind Venture Capital, Trumid, Vaneck |
| Nov 8, 2021 | Options AI | $4.1M Seed | Akuna Capital, Miami International Holdings, Optiver PSI | Viewtrade Holdings |