Structured intelligence coverage

Structured records are temporarily unavailable. The published profile and its source ledger remain accessible.

Identity checks do not refresh the age of governance evidence. Open a record for its source date and review state.

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
11 supported by public sources, 0 supplied by the profile owner
Committee roles
3Roles supported by the sources cited on this profile
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

About

Retired aerospace executive who served as President and CEO of Aerospace Corporation from 2000-2007 and held senior positions at Lockheed Martin and NASA's Ames Research Center. Brings extensive risk management experience and expertise in managing technology and technical services providers to government agencies.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Board appointments

Governance

Board appointments, committee responsibilities and disclosed relationships.

Committee appointments across companies · Temporarily unavailable

Structured records for this section are unavailable. This does not establish that no records exist. Published profile sources remain in Evidence & History.

Board and advisory record

Board service

Sources are shown with each role, education record, or credential.

Director

OSI SYSTEMS INC

2010-01-01 · current

Confirmed by public sourceView source

Connections

Explore the roles, education and affiliations published in this record.

OSI SYSTEMS INC

Open OSI SYSTEMS INC profile →

Director at OSI SYSTEMS INC

2010-01-01 → End not stated

current · source reported

Observed: 2026-09-26

OSI SYSTEMS INCOSI SYSTEMS INCWilliam F. Ballhaus

Dashed lines mark past roles. Select a connection to see its dates and sources.

Relationship map

Connected through the public record

Direct relationships from verified facts and published résumé records. Private connections are excluded.

Direct public links only

Only published affiliations are shown here. Private relationships require authorized access.

Experience

Career history, education, credentials and public contributions.

Published record

Featured coverage

Selected publications and public sources used to establish this profile. Inclusion records provenance; it is not an endorsement.

Source 1 · Sec FilingOSIS DEF 14A director slateSupports AI and ML experience, Board role, Committee assignments, Cybersecurity experience, Technology background.Open sourceSource 2 · Sec FilingMRCY 10-K executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Technology background.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:william-f-ballhaus
Record version
public-0

Published evidence records

5 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. OSIS DEF 14A director slate

    sec filing · Source published: Oct 22, 2025 · Retrieved: May 16, 2026

    Supports 5 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Board role: Board role: Lead Independent Director · Claim reviewed: May 16, 2026
    • Committee assignments: Committee assignments: Audit, Compensation, Technology · Claim reviewed: May 16, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Technology background: Technology background reported in filings · Claim reviewed: May 16, 2026

  2. OSI Systems Inc director board source

    sec filing · Source published: Oct 22, 2025 · Retrieved: May 3, 2026

    Supports 3 claims
    • Board independence: Independent director · Claim reviewed: May 3, 2026
    • Board membership: Serves on the board of OSI Systems Inc · Claim reviewed: May 3, 2026
    • Committee assignments: No committee assignment disclosed in the cited filing · Claim reviewed: May 3, 2026

  3. Open source

    sec proxy · Source published: Oct 22, 2025 · Retrieved: Apr 29, 2026

    Supports 1 claim
    • Professional Role: Director at OSI SYSTEMS INC · Claim reviewed: May 16, 2026

  4. MRCY 10-K executive officers

    sec filing · Source published: Aug 11, 2025 · Retrieved: May 12, 2026

    Supports 5 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Executive company: Executive at Mercury Systems Inc · Claim reviewed: May 12, 2026
    • Executive title: Executive title: Chairman, President and Chief Executive Officer · Claim reviewed: May 12, 2026
    • Technology background: Technology background reported in filings · Claim reviewed: May 16, 2026

  5. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of OSI Systems Inc · Claim reviewed: May 3, 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 · CorroboratedAI and ML experience: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 12, 2026

Board independence · Source reportedIndependent director1 source
Verification
Source reported
Confidence
95%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Board membership · CorroboratedServes on the board of OSI Systems IncSupported by 3 public records2 sources
Verification
Corroborated
Confidence
95%
Last reviewed
May 3, 2026
Board role · Source reportedBoard role: Lead Independent Director1 source
Verification
Source reported
Confidence
92%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Committee assignments · Source reportedNo committee assignment disclosed in the cited filing1 source
Verification
Source reported
Confidence
95%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Committee assignments · Source reportedCommittee assignments: Audit, Compensation, Technology1 source
Verification
Source reported
Confidence
88%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Cybersecurity experience · CorroboratedCybersecurity experience: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 12, 2026

Executive company · Source reportedExecutive at Mercury Systems Inc1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 12, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 12, 2026

Executive title · Source reportedExecutive title: Chairman, President and Chief Executive Officer1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 12, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 12, 2026

Technology background · CorroboratedTechnology background reported in filingsSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 12, 2026

View all sources5 records
  1. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: AI and ML experience · Board role · Committee assignments · Cybersecurity experience · Technology background

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: Board membership · Committee assignments · Director since · Board independence

  3. https://www.sec.gov/Archives/edgar/data/1039065/000110465925101517/tm2522961-1_def14a.htm

    Sec Proxy · Tier not stated · Reviewed Apr 29, 2026

    Supports: Director at OSI SYSTEMS INC (NASDAQ: OSIS)

  4. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 12, 2026

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

  5. https://www.sec.gov/Archives/edgar/data/1039065/000110465925101517/tm2522961-1_def14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership