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Profile

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Overview

Professional record at a glance

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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

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Current roles

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Executive appointments

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Committee appointments across companies · Temporarily unavailable

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Connections

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MAGNITE, INC.

Open MAGNITE, INC. profile →

Chief Accounting Officer at MAGNITE, INC.

Start not stated → End not stated

current · source reported

Observed: 2026-09-25

MAGNITE, INC.MAGNITE, INC.Brian Gephart

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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 Def 14aPublic profile sourceSupports Chief Accounting Officer at MAGNITE, INC. (NASDAQ: MGNI).Open sourceSource 2 · Sec FilingMGNI 10-K executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Technology background.Open source

Basis

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Identifiers

Alpha ID
alpha:person:brian-gephart
Record version
public-0

Published evidence records

2 evidence records, matching Agent View. Records may refer to different locations or observations in the same document. This count is not a count of independent corroborating sources.

  1. Open source

    sec def 14a · Source published: Apr 21, 2026 · Retrieved: Sep 6, 2026

    Supports 1 claim
    • Professional Role: Chief Accounting Officer at MAGNITE, INC. · Claim reviewed: Sep 6, 2026

  2. MGNI 10-K executive officers

    sec filing · Source published: Feb 25, 2026 · Retrieved: May 4, 2026

    Supports 5 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 4, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 4, 2026
    • Executive company: Executive at MAGNITE, INC. · Claim reviewed: May 4, 2026
    • Executive title: Executive title: Chief Accounting Officer · Claim reviewed: May 4, 2026
    • Technology background: Technology background: not identified in the cited filing · Claim reviewed: May 4, 2026

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 MAGNITE, 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 Accounting Officer1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Technology background · Source reportedTechnology background: 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

View all sources2 records
  1. https://www.sec.gov/Archives/edgar/data/1595974/000199937126008635/mgni-def14a_060826.htm

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

    Supports: Chief Accounting Officer at MAGNITE, INC. (NASDAQ: MGNI)

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

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