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
22 current organizations shown on this profile
Board positions
22 supported by public sources, 0 supplied by the profile owner
Committee roles
2Roles supported by the sources cited on this profile
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

About

Dr. Lee has served as President and CEO of MKS Inc. since 2020, having joined the company in 2007 and progressed through numerous senior leadership roles. Prior to MKS, he held leadership positions at Applied Materials and conducted research at Lucent Technologies/Bell Labs. He holds a Ph.D. in Chemical Engineering from MIT and brings deep technical expertise in semiconductor and plasma processing.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Board appointments

Director

MKS INC (NASDAQ: MKSI)

Jan 1, 2020 – Present

Independence: Not independent

Source effective: 2026-03-31 · Observed: 2026-04-28T23:40:02.533+00:00

confirmedView source

Governance

Board appointments, committee responsibilities and disclosed relationships.

Board and advisory record

Board service

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

Director

COGNEX CORP

2022-01-01 · current

Confirmed by public sourceView source

Director

MKS INC

2020-01-01 · current

Confirmed by public sourceView source

Connections

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

COGNEX CORP

Open COGNEX CORP profile →

Director at COGNEX CORP

2022-01-01 → End not stated

current · source reported

Observed: 2026-09-21

COGNEX CORPCOGNEX CORPMKS INCMKS INCJohn T.C. Lee

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.

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:john-t-c-lee-2
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 5, 2026

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 filingsSupported by 2 public records2 sources
Verification
Under review
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

AI governance relevance · CorroboratedAI governance relevance reported from role and filingsSupported by 3 public records3 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

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Board independence · Under reviewNot independent (executive director)1 source
Verification
Under review
Confidence
95%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Board independence · Under reviewIndependent director1 source
Verification
Under review
Confidence
95%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Board membership · CorroboratedServes on the board of Cognex CorporationSupported by 4 public records3 sources
Verification
Corroborated
Confidence
95%
Last reviewed
May 3, 2026
Board membership · CorroboratedServes on the board of MKS INCSupported by 3 public records3 sources
Verification
Corroborated
Confidence
95%
Last reviewed
May 3, 2026
Board membership · CorroboratedServes on the board of MKS Instruments IncSupported by 3 public records2 sources
Verification
Corroborated
Confidence
95%
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 role · CorroboratedBoard role: DirectorSupported by 2 public records2 sources
Verification
Corroborated
Confidence
92%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 24, 2026

Committee assignments · CorroboratedNo committee assignment disclosed in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
95%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Committee assignments · Source reportedCommittee assignments: Compensation, Audit1 source
Verification
Source reported
Confidence
88%
Last reviewed
Apr 24, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 24, 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 5, 2026

Executive company · CorroboratedExecutive at Bentley Systems IncSupported by 2 public records2 sources
Verification
Corroborated
Confidence
94%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 30, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Executive company · CorroboratedExecutive at Digital Realty Trust, Inc.Supported by 2 public records2 sources
Verification
Corroborated
Confidence
94%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 29, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Executive company · Source reportedExecutive at Fortune Brands Innovations, Inc.1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Executive company · Source reportedExecutive at MKS Inc.1 source
Verification
Source reported
Confidence
85%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

Executive company · Source reportedExecutive at NERDWALLET, INC.1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 5, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

Executive company · Source reportedExecutive at PJT Partners Inc.1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 5, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

Executive company · Source reportedExecutive at Rhythm Pharmaceuticals1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 5, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

Executive company · Source reportedExecutive at Seagate Technology Holdings plc1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Executive company · CorroboratedExecutive at Synopsys, Inc.Supported by 2 public records2 sources
Verification
Corroborated
Confidence
94%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 29, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Executive function · CorroboratedLegal Governance (GENERAL_COUNSEL)Supported 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

Executive function · Source reportedOperations (COO)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: Chief Operating OfficerSupported by 2 public records2 sources
Verification
Corroborated
Confidence
94%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 30, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Executive title · Source reportedExecutive title: Executive Vice President, Chief Digital and Innovation Officer1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Executive title · CorroboratedExecutive title: Executive Vice President, General Counsel and SecretarySupported by 2 public records2 sources
Verification
Corroborated
Confidence
94%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 29, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Executive title · Source reportedExecutive title: Executive Vice President, Head of North America1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 5, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

Executive title · CorroboratedExecutive title: General Counsel and Corporate SecretarySupported by 2 public records2 sources
Verification
Corroborated
Confidence
94%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 29, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Executive title · Source reportedExecutive title: Managing Partner1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 5, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

Executive title · Source reportedExecutive title: Named Executive Officer1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 5, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

Executive title · Source reportedExecutive title: 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: Senior Vice President, Chief Legal Officer and Corporate Secretary1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Other Company Role · Source reportedJames Lee is also linked to Google Cloud as General Manager of Startups and AI business.1 source
Verification
Source reported
Confidence
70%
Last reviewed
Apr 30, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 30, 2026

Technology background · Under reviewTechnology background: not identified in the cited filing1 source
Verification
Under review
Confidence
72%
Last reviewed
May 5, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

Technology background · Under reviewTechnology background reported in filings1 source
Verification
Under review
Confidence
72%
Last reviewed
May 13, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 13, 2026

View all sources19 records
  1. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

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

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

    Supports: Executive company · Executive title

  3. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 29, 2026

    Supports: Executive company · Executive title

  4. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

    Supports: Executive company · Executive title

  5. 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

  6. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: Board membership · Director since · Board independence

  7. https://www.sec.gov/Archives/edgar/data/1049502/000119312526133378/mksi-20260331.htm

    Sec Proxy · Tier not stated · Reviewed Apr 28, 2026

    Supports: Director at MKS INC (NASDAQ: MKSI)

  8. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

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

  9. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 24, 2026

    Supports: Board role · Committee assignments

  10. https://www.sec.gov/Archives/edgar/data/851205/000119312526105065/d48298ddef14a.htm

    Sec Proxy · Tier not stated · Reviewed Apr 24, 2026

    Supports: Director at COGNEX CORP (NASDAQ: CGNX)

  11. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 30, 2026

    Supports: Executive company · Executive title · Other Company Role

  12. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

    Supports: Executive company · Executive title

  13. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Apr 29, 2026

    Supports: Executive company · Executive title

  14. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

    Supports: Executive company · Executive title

  15. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: AI expertise · AI governance relevance · Executive company · Executive function · Executive title

  16. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: AI expertise · AI governance relevance · Executive company · Executive function · Executive title

  17. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: AI expertise · AI governance relevance · Executive company · Executive function · Executive title

  18. https://www.sec.gov/Archives/edgar/data/851205/000119312526105065/d48298ddef14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership

  19. https://www.sec.gov/Archives/edgar/data/1049502/000119312526133378/mksi-20260331.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership