Alpha Profiles · Company Profile

MIAMI INTERNATIONAL HOLDINGS, INC.

Canonical company identity and public leadership record.

https://registry.alpha.ac/companies/miami-international-holdings-inc

Entity: Public listing published
Primary listing: NYSE: MIAX
Verification: Partially verified
Last reviewed: 2026-09-06T10:31:51.74077+00:00

Overview

Alpha's canonical identity and public leadership record for MIAMI INTERNATIONAL HOLDINGS, INC..

Canonical AEGIS identity graph

Executive leadership

Current, confirmed roles are shown only when both the person Profile and supporting source record satisfy the public projection boundary. A missing role is not evidence that it does not exist.

Executive team

10 public records

Barbara J. Comly

Executive Vice President, General Counsel and Corporate Secretary

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001628280-26-027312Apr 27, 2026

Cees Vermaas

Chief Executive Officer of TISEG

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001628280-26-027312Apr 27, 2026

Douglas M. Schafer Jr.

Executive Vice President and Chief Information Officer

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001628280-26-027312Apr 27, 2026

Edward Deitzel

Executive Vice President and Chief Regulatory Officer

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001628280-26-027312Apr 27, 2026

Harish Jayabalan

Executive Vice President, Chief Information Security Officer and Chief Risk Officer

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001628280-26-027312Apr 27, 2026

John Smollen

Executive Vice President – New Product Development

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001628280-26-027312Apr 27, 2026

Lance Emmons

Executive Vice President and Chief Financial Officer

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001628280-26-027312Apr 27, 2026

Shelly Brown

Executive Vice President – Chief Strategy Officer

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001628280-26-027312Apr 27, 2026

Shona L. Brown

Executive Vice President Chief Strategy Officer; Chief Executive Officer of MIAX Futures

State: confirmed
Effective: From Apr 27, 2026
Confidence: 94%
Evidence: MIAX DEF 14A executive officersApr 27, 2026

Thomas P. Gallagher

Chairman and Chief Executive Officer

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001628280-26-027312Apr 27, 2026

Governance leadership

Boards & Committees

Board and committee assignments appear only when the canonical public projection retains a current role and supporting source. Unpublished records are not interpreted as absence.

Record as of Sep 6, 2026. Chair, executive office, Lead Independent Director and committee appointments retain their separate source roles. A complete board composition denominator and committee charters are not established by a partial roster.