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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
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.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Executive appointments

EVP, Chief Operating and Safety Officer

NiSource (NYSE: NI)

Current

Source effective: 2026-03-30 · Observed: 2026-09-14T16:52:53.47533+00:00

confirmedView source

Governance

Board appointments, committee responsibilities and disclosed relationships.

Committee appointments across companies · Temporarily unavailable

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Connections

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

NiSource

Open NiSource profile →

EVP, Chief Operating and Safety Officer at NiSource

Start not stated → End not stated

current · source reported

Observed: 2026-09-24

NiSourceNiSourceWilliam Jefferson

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Relationship map

Connected through the public record

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

  • NiSource

    EVP, Chief Operating and Safety Officer

    Verified public fact

Direct public links only

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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 Def 14aPublic profile sourceSupports EVP, Chief Operating and Safety Officer at NiSource (NYSE: NI), Executive title.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:william-jefferson
Record version
public-0

Published evidence records

1 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. Open source

    sec def 14a · Source published: Mar 30, 2026 · Retrieved: Sep 14, 2026

    Supports 2 claims
    • Professional Role: EVP, Chief Operating and Safety Officer at NiSource · Claim reviewed: Sep 14, 2026
    • Executive title: Executive title: EVP, Chief Operating and Safety Officer · Claim reviewed: Sep 14, 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.

Executive title · Source reportedExecutive title: EVP, Chief Operating and Safety Officer1 source
Verification
Source reported
Confidence
95%
Last reviewed
Sep 14, 2026
View all sources1 records
  1. https://www.sec.gov/Archives/edgar/data/1111711/000114036126011851/ny20055306x771_def14a.htm

    Sec Def 14a · Tier not stated · Reviewed Sep 14, 2026

    Supports: EVP, Chief Operating and Safety Officer at NiSource (NYSE: NI) · Executive title