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

Experienced founder of several healthcare companies, including most recently Peak Health, a company in the longevity AI space. Extensive technology and product development expertise from senior positions at leading technology companies including Google, PayPal and eBay. Significant M&A and financial experience, having completed numerous acquisitions during her career in the technology sector.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Board appointments

Independent Director

Zoetis (NYSE: ZTS)

Jan 1, 2025 – Present

Independence: Independent

Source effective: 2026-04-08 · Observed: 2026-05-03T01:04:00.509+00:00

confirmedView source

Governance

Board appointments, committee responsibilities and disclosed relationships.

Committee appointments across companies

Structured records are unavailable. This does not establish that no records exist.

Board and advisory record

Board service

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

Independent Director

Zoetis

2025-01-01 · current

Confirmed by public sourceView source

Director

Seagate Technology

2014-01-01 · current

Confirmed by public sourceView source

Connections

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

Seagate Technology

Open Seagate Technology profile →

Director at Seagate Technology

2014-01-01 → End not stated

current · source reported

Observed: 2026-09-24

Seagate TechnologySeagate TechnologyZoetisZoetisStephanie Tilenius

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 FilingZTS DEF 14A director slateSupports AI and ML experience, Board role, Committee assignments, Executive company, Executive title, Cybersecurity experience, Technology background.Open sourceSource 2 · Sec FilingSeagate Technology Holdings plc director board sourceSupports Board membership, Board independence.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:stephanie-tilenius
Record version
public-0

Published evidence records

7 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. ZTS DEF 14A director slate

    sec filing · Source published: Apr 8, 2026 · Retrieved: May 16, 2026

    Supports 7 claims
    • AI and ML experience: AI and machine learning experience reported in filings · Claim reviewed: May 16, 2026
    • Board role: Board role: Director · Claim reviewed: May 16, 2026
    • Committee assignments: Committee assignments: Audit, Human Resources · Claim reviewed: May 16, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Executive company: Executive at Peak Health · Claim reviewed: May 16, 2026
    • Executive title: Executive title: Founder · Claim reviewed: May 16, 2026
    • Technology background: Technology background reported in filings · Claim reviewed: May 16, 2026

  2. Open source

    sec proxy · Source published: Apr 8, 2026 · Retrieved: May 3, 2026

    Supports 1 claim
    • Professional Role: Independent Director at Zoetis · Claim reviewed: May 16, 2026

  3. Seagate Technology Holdings plc director board source

    sec filing · Source published: Sep 9, 2025 · Retrieved: May 3, 2026

    Supports 2 claims
    • Board independence: Independent director · Claim reviewed: May 3, 2026
    • Board membership: Serves on the board of Seagate Technology Holdings plc · Claim reviewed: May 3, 2026

  4. STX DEF 14A director slate

    sec filing · Source published: Sep 9, 2025 · Retrieved: May 15, 2026

    Supports 2 claims
    • Board role: Board role: Director · Claim reviewed: May 16, 2026
    • Committee assignments: No committee assignment disclosed in the cited filing · Claim reviewed: May 15, 2026

  5. Open source

    sec proxy · Source published: Sep 9, 2025 · Retrieved: Mar 21, 2026

    Supports 1 claim
    • Professional Role: Director at Seagate Technology · Claim reviewed: May 16, 2026

  6. Open source

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

    Supports 1 claim
    • Board membership: Serves on the board of Zoetis · Claim reviewed: May 16, 2026

  7. Open source

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

    Supports 1 claim
    • Board membership: Serves on the board of Seagate Technology · Claim reviewed: May 16, 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 machine learning experience reported in filings1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 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 · Source reportedServes on the board of Seagate Technology1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Board membership · Source reportedServes on the board of Seagate Technology Holdings plc1 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 Zoetis1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Board role · CorroboratedBoard role: DirectorSupported by 2 public records2 sources
Verification
Corroborated
Confidence
92%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Committee assignments · Source reportedNo committee assignment disclosed in the cited filing1 source
Verification
Source reported
Confidence
88%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Committee assignments · Source reportedCommittee assignments: Audit, Human Resources1 source
Verification
Source reported
Confidence
88%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Cybersecurity experience · Source reportedCybersecurity experience: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive company · Source reportedExecutive at Peak Health1 source
Verification
Source reported
Confidence
85%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive title · Source reportedExecutive title: Founder1 source
Verification
Source reported
Confidence
85%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Technology background · Source reportedTechnology background reported in filings1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

View all sources7 records
  1. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 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/1555280/000155528026000015/zts-20260406.htm

    Sec Proxy · Tier not stated · Reviewed May 3, 2026

    Supports: Independent Director at Zoetis (NYSE: ZTS)

  3. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: Board membership · Board independence

  4. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

    Supports: Board role · Committee assignments

  5. https://www.sec.gov/Archives/edgar/data/1137789/000113778925000211/stx-20250909.htm

    Sec Proxy · Tier not stated · Reviewed Mar 21, 2026

    Supports: Director at Seagate Technology (NASDAQ: STX)

  6. https://www.sec.gov/Archives/edgar/data/1555280/000155528026000015/zts-20260406.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership

  7. https://www.sec.gov/Archives/edgar/data/1137789/000113778925000211/stx-20250909.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership