Profile

Identity, professional record and current appointments.

Overview

Professional record at a glance

A concise summary of information supported by the cited public sources. Missing information is treated as unknown, not as a negative finding.

Current roles
11 current organization shown on this profile
Board positions
Not establishedNo board position is currently listed on this profile
Committee roles
Not establishedNo committee role is currently confirmed by the cited sources
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

About

Alpha has not published a narrative summary because the current public source set is not sufficient.

Current roles

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Executive appointments

Governance

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Connections

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MIAMI INTERNATIONAL HOLDINGS, INC.

Open MIAMI INTERNATIONAL HOLDINGS, INC. profile →

Chief Executive Officer of TISEG at MIAMI INTERNATIONAL HOLDINGS, INC.

Start not stated → End not stated

current · source reported

Observed: 2026-09-12

MIAMI INTERNATIONA…MIAMI INTERNATIONAL HOLDINGS, INC.Cees Vermaas

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Relationship map

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Experience

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Published record

Featured coverage

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Source 1 · Sec FilingMIAX DEF 14A executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Other Company Role, Technology background.Open source

Basis

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Identifiers

Alpha ID
alpha:person:cees-vermaas
Record version
public-0

Sources

Sources and published information

Each item links to the public source used to support it. When sources disagree, the item is clearly marked for review.

AI and ML experience · Source reportedAI and ML experience: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Cybersecurity experience · Source reportedCybersecurity experience: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Executive company · Source reportedExecutive at MIAMI INTERNATIONAL HOLDINGS, INC.1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Executive title · Source reportedExecutive title: Chief Executive Officer of TISEG1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Other Company Role · Source reportedCees Vermaas is also linked to TISEG as Chief Executive Officer.1 source
Verification
Source reported
Confidence
70%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Technology background · Source reportedTechnology background reported in filings1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

View all sources2 records
  1. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

    Supports: AI and ML experience · Cybersecurity experience · Executive company · Executive title · Other Company Role · Technology background

  2. https://www.sec.gov/Archives/edgar/data/1438472/000162828026027312/miax-20260426.htm

    Sec Def 14a · Tier not stated · Reviewed Sep 6, 2026

    Supports: Chief Executive Officer of TISEG at MIAMI INTERNATIONAL HOLDINGS, INC. (NYSE: MIAX)