Company
Board Member
Jonathan Mariner
Personal wealth note: Equibles reports source-backed professional activity and disclosed compensation; it does not estimate personal net worth.
About Jonathan Mariner
Jonathan Mariner is recorded as Board Member at Five9, Inc. (FIVN). Five9, Inc. reported in an 8-K filed September 30, 2025 that Jonathan Mariner was appointed chair of the Nominating and Governance Committee, effective September 26, 2025. Five9, Inc. reported in an 8-K filed March 24, 2025 that Jonathan Mariner was appointed Class II director, effective March 19, 2025. Five9, Inc. reported in an 8-K filed March 24, 2025 that Jonathan Mariner resigned as Class III director, effective March 19, 2025. Equibles holds 4 filed executive changes naming Jonathan Mariner; each is listed under recent activity with its source filing.
“the Board appointed Robert Zollars as the Lead Independent Director, Jonathan Mariner as the chair of the Nominating and Governance Committee and Michael Burdiek as the chair of the Compensation Committee (replacing Mr. Zollars who had been serving as chair of the Compensation Committee).”
“The Board accepted Mr. Mariner's resignation, reduced Class III to three members, increased Class II to four members and immediately reappointed Mr. Mariner as a Class II director with a term set to expire at the Annual Meeting.”
Summary generated from SEC filings and earnings-call records held by Equibles.
Affiliation history
Recorded current and former roles; source labels appear when available.
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Five9, Inc. (FIVN)
SEC 8-K
Current2025-09-26–present
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Current
2025-03-19–present
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Organization not stated
Board Member
Proxy statement
CurrentStart not stated–present
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2025-03-19–2025-03-19
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2023-01-01–2025-03-19
Company network
Recorded roles and call appearances connecting this person to public companies.
Leadership on record at Five9, Inc.
Other people whose current roles at this company are on record from its filings.
- Amit Mathradas CEO, Board Member
- Robert Zollars Chairman
- Sudhakar Ramakrishna Chairman, Board Member
- Bryan Lee CFO
- Andy Dignan COO
- Jonathan Rosenberg CTO
- Leena Mansharamani Chief Accounting Officer
- Julie Iskow Board Member
- Maria Walker Board Member
- Michael Burdiek Board Member
Recent activity
Earnings-call and investor-event appearances, plus filed executive appointments or departures, newest first.