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
Not establishedNo committee role is currently confirmed by the cited sources
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

About

Alpha has not published a narrative summary because the current public source set is not sufficient.

Current roles

Appointments & responsibilities

Board appointments

Governance

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Connections

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

MERCURY SYSTEMS INC

Open MERCURY SYSTEMS INC profile →

Director at MERCURY SYSTEMS INC

2022-01-01 → End not stated

current · source reported

Observed: 2026-09-13

MERCURY SYSTEMS INCMERCURY SYSTEMS INCWilliam L. Ballhaus

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

Relationship map

Connected through the public record

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Direct public links only

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

Experience

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

Basis

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Identifiers

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

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 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

Board membership · Source reportedServes on the board of MERCURY SYSTEMS INC1 source
Verification
Source reported
Confidence
85%
Last reviewed
May 13, 2026
Board role · Source reportedBoard role: Chair1 source
Verification
Source reported
Confidence
92%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

Committee assignments · Source reportedNo committee assignment disclosed in the cited filing1 source
Verification
Source reported
Confidence
88%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

Cybersecurity experience · CorroboratedCybersecurity experience: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

Executive company · CorroboratedExecutive at Mercury Systems, Inc.Supported by 2 public records2 sources
Verification
Corroborated
Confidence
94%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

Executive title · Source reportedExecutive title: Chairman of the Board, President, and Chief Executive Officer1 source
Verification
Source reported
Confidence
85%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

Executive title · Source reportedExecutive title: President and Chief Executive Officer1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

Other Company Role · Source reportedWilliam L. Ballhaus is also linked to Mercury Systems Inc (also serves as Chairman) as Chairman of the Board.1 source
Verification
Source reported
Confidence
70%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

Technology background · CorroboratedTechnology background reported in filingsSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

View all sources3 records
  1. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

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

  2. https://www.sec.gov/Archives/edgar/data/1049521/000104952125000029/mrcy-20250910.htm

    Sec Proxy · Tier not stated · Reviewed May 12, 2026

    Supports: Director at MERCURY SYSTEMS INC (NASDAQ: MRCY) · Board membership

  3. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

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