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JI

John Irwin III

Director at MaxQ Medical. Also an executive officer and director at Brookside Capital.

InvestorExecutiveDirectorBrookside Capital
Updated Nov 9, 2026·Latest SEC filing Aug 19, 2026·Suggest an edit

About John Irwin III

John Irwin III is a director at MaxQ Medical.

John Irwin III appears on fund filings for Brookside Capital.

John Irwin III first appears on SEC filings in 2013.

Experience

This experience comes from SEC filings. The years are when the filings name John Irwin III in the role, so the role may have started earlier or lasted longer.

MaxQ Medical Inc.
Director
2024 – 2026 · Sunnyvale, CA
Develops a prostate imaging and treatment system for urologists.
Brookside Capital
Executive officer and director
2013 – 2023 · Fund filings for 2 funds

Key Colleagues at Startups

The people John Irwin III works with at each company, as listed on that company's latest Form D.

MaxQ Medical Inc. · Form D, Aug 19, 2026
Amir Abolfathi
Amir Abolfathi
Executive Chairman
Brian Smith
Brian Smith
Director
AT
Amir Tehrani
CEO and director
DR
Dean Riskas
Director

Sources

  1. SECMaxQ Medical Inc. Form D, filed Aug 19, 2026