Person profile
Public information reviewed- Public sources
- 6 reviewed
- Profile ownership
- Not yet claimed
- Last reviewed
- May 6, 2026
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
- Not availableAdditional role information may appear below
- 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
About
Alpha has not published a narrative summary because the current public source set is not sufficient.
Current roles
Appointments & responsibilities
A current role is not yet confirmed. Additional information may be available in the Sources section.
Governance
Board appointments, committee responsibilities and disclosed relationships.
Connections
Explore the roles, education and affiliations published in this record.
No public connections are published in this record yet.
Relationship map
Connected through the public record
Direct relationships from verified facts and published résumé records. Private connections are excluded.
People connections are private by default.
No person-to-person relationship is exposed by this public record. Shared boards, employment, and Council activity require a permissioned view.
Claim to review relationship visibilityDirect 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 FilingMDGL DEF 14A executive officersSupports Executive company, Executive title.Open sourceSource 2 · Sec FilingAEIS DEF 14A director slateSupports AI and ML experience, Board role, Committee assignments, Executive company, Executive title, Cybersecurity experience, Technology background.Open source
Basis
Identifiers, sources, dates and record limitations.
Identifiers
- Alpha ID
- alpha:person:stephen-d-kelley
- Canonical record
- https://registry.alpha.ac/people/stephen-d-kelley
- 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
AI expertise · Under reviewAI expertise: not identified in the cited filing1 source
- Verification
- Under review
- Confidence
- 94%
- Last reviewed
- May 3, 2026
SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
AI expertise · Under reviewAI expertise reported in filings1 source
- Verification
- Under review
- Confidence
- 94%
- Last reviewed
- May 3, 2026
SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
AI governance relevance · CorroboratedAI governance relevance reported from role and filingsSupported by 2 public records2 sources
- Verification
- Corroborated
- Confidence
- 94%
- Last reviewed
- May 3, 2026
SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
Board independence · Source reportedNot independent (executive director)1 source
- Verification
- Source reported
- Confidence
- 95%
- Last reviewed
- May 3, 2026
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
Board membership · Source reportedServes on the board of Advanced Energy IndustriesSupported by 2 public records1 source
- Verification
- Source reported
- Confidence
- 95%
- Last reviewed
- May 3, 2026
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
Board role · Source reportedBoard role: Director1 source
- Verification
- Source reported
- Confidence
- 92%
- Last reviewed
- May 6, 2026
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 6, 2026
Committee assignments · Source reportedNo committee assignment disclosed in the cited filing1 source
- Verification
- Source reported
- Confidence
- 88%
- Last reviewed
- May 6, 2026
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 6, 2026
Cybersecurity experience · CorroboratedCybersecurity experience: not identified in the cited filingSupported by 2 public records2 sources
Executive company · CorroboratedExecutive at Advanced Energy Industries, Inc.Supported by 3 public records3 sources
Executive company · CorroboratedExecutive at Madrigal PharmaceuticalsSupported by 2 public records2 sources
- Verification
- Corroborated
- Confidence
- 94%
- Last reviewed
- May 3, 2026
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 1, 2026
SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
Executive function · Source reportedEnterprise Leadership (CEO)1 source
- Verification
- Source reported
- Confidence
- 94%
- Last reviewed
- May 3, 2026
SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
Executive function · Source reportedLegal Governance (GENERAL_COUNSEL)1 source
- Verification
- Source reported
- Confidence
- 94%
- Last reviewed
- May 3, 2026
SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
Executive title · CorroboratedExecutive title: Executive Vice President and Chief Legal CounselSupported by 2 public records2 sources
- Verification
- Corroborated
- Confidence
- 94%
- Last reviewed
- May 3, 2026
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 1, 2026
SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
Executive title · Source reportedExecutive title: President and Chief Executive Officer1 source
- Verification
- Source reported
- Confidence
- 85%
- Last reviewed
- May 6, 2026
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 6, 2026
Executive title · CorroboratedExecutive title: President, Chief Executive Officer and DirectorSupported by 2 public records2 sources
- Verification
- Corroborated
- Confidence
- 94%
- Last reviewed
- May 6, 2026
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 6, 2026
SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
Other Company Role · Source reportedSTEPHEN KELLEY is also linked to ONTO Innovation Inc. as Board of Directors.1 source
- Verification
- Source reported
- Confidence
- 70%
- Last reviewed
- Apr 29, 2026
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 6, 2026
View all sources6 records
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 1, 2026
Supports: Executive company · Executive title
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 6, 2026
Supports: AI and ML experience · Board role · Committee assignments · Executive company · Executive title · Cybersecurity experience · Technology background
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 6, 2026
Supports: AI and ML experience · Cybersecurity experience · Executive company · Executive title · Other Company Role · Technology background
- SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
Supports: Board membership · Director since · Board independence
SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
Supports: AI expertise · AI governance relevance · Executive company · Executive function · Executive title
SEC EDGAR
Sec Filing · Tier 3 · Reviewed May 3, 2026
Supports: AI expertise · AI governance relevance · Executive company · Executive function · Executive title