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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.

Current roles

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Executive appointments

Governance

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Connections

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

Core Natural Resources, Inc.

Open Core Natural Resources, Inc. profile →

Senior Vice President, Chief Legal Officer and Corporate Secretary at Core Natural Resources, Inc.

Start not stated → End not stated

current · source reported

Observed: 2026-09-08

Core Natural Resou…Core Natural Resources, Inc.Rosemary L. Klein

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

Relationship map

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Direct public links only

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Experience

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Published record

Featured coverage

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Source 1 · Sec Def 14aPublic profile sourceSupports Senior Vice President, Chief Legal Officer and Corporate Secretary at Core Natural Resources, Inc. (NYSE: CNR), Executive title.Open sourceSource 2 · Sec FilingCNR 10-K executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Technology background.Open source

Basis

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Identifiers

Alpha ID
alpha:person:rosemary-l-klein
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 · Source reportedAI and ML experience: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Cybersecurity experience · Source reportedCybersecurity experience: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

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

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Executive title · Source reportedExecutive title: Executive Officer1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

Executive title · Source reportedExecutive title: Senior Vice President, Chief Legal Officer and Corporate Secretary1 source
Verification
Source reported
Confidence
95%
Last reviewed
Sep 6, 2026
Technology background · Source reportedTechnology background: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 4, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

View all sources2 records
  1. https://www.sec.gov/Archives/edgar/data/1710366/000171036626000017/cnr-20260316.htm

    Sec Def 14a · Tier not stated · Reviewed Sep 6, 2026

    Supports: Senior Vice President, Chief Legal Officer and Corporate Secretary at Core Natural Resources, Inc. (NYSE: CNR) · Executive title

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 4, 2026

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