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Michelle Brennan

CEO

Masimo Corp

Board Member

Masimo Corp

Chairman

Masimo Corp

Personal wealth note: Equibles reports source-backed professional activity and disclosed compensation; it does not estimate personal net worth.

About Michelle Brennan

Michelle Brennan is recorded as CEO, Board Member and Chairman at Masimo Corp. Masimo Corp reported in an 8-K filed June 10, 2026 that Michelle Brennan resigned as board of directors of the Company, effective June 10, 2026. Masimo Corp reported in an 8-K filed January 21, 2025 that Michelle Brennan was appointed Chairman of the Board, effective February 12, 2025. Masimo Corp reported in an 8-K filed November 18, 2024 that Michelle Brennan was appointed interim chief executive officer, effective September 24, 2024. Equibles holds 5 filed executive changes naming Michelle Brennan; each is listed under recent activity with its source filing.

“Catherine Szyman, Michelle Brennan, Quentin Koffey, Wendy Lane, Tim Scannell, and Darlene Solomon each resigned from the board of directors of the Company and from any and all committees thereof on which they served and ceased to be directors of the Company”
Masimo Corp Form 8-K, filed June 10, 2026 · Read the filing
“Ms. Brennan will continue to serve as member of the Board, and has been appointed to the role of Chairman of the Board while Quentin Koffey will serve in the role of Vice-Chairman of the Board.”
Masimo Corp Form 8-K, filed January 21, 2025 · Read the filing

Summary generated from SEC filings and earnings-call records held by Equibles.

Affiliation history

Recorded current and former roles; source labels appear when available.

  • Masimo Corp

    Board Member

    SEC 8-K

    Current

    2023-06-28–present

  • Masimo Corp

    Chairman

    Proxy statement

    Current

    2023-01-01–present

  • Masimo Corp

    CEO

    Source not stated

    Current
  • Masimo Corp

    Board Member

    SEC 8-K

    2023-06-26–2026-06-10

Company network

Recorded roles and call appearances connecting this person to public companies.

Masimo Corp

Current role

CEO, Board Member, Chairman

2023-01-01–present

Recent activity

Earnings-call and investor-event appearances, plus filed executive appointments or departures, newest first.