Person profile

Public information reviewed

John G. Cox

Role

Chief Executive Officer and President at Dyne Therapeutics, Inc. (NASDAQ: DYN)

Board role

Chief Executive Officer, President and Director · Dyne Therapeutics, Inc. (NASDAQ: DYN)

Dyne Therapeutics, Inc. (NASDAQ: DYN)

Chief Executive Officer, President and Director · Current mandate

Executive · Ceo · Enterprise Leadership
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Reports & analysisAlpha Eval
Public sources
3 reviewed
Profile ownership
Not yet claimed
Last reviewed
Sep 6, 2026
View sources

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
21 current organization shown on this profile
Board positions
11 supported by public sources, 0 supplied by the profile owner
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

Chief Executive Officer and President bringing extensive executive experience in the biotechnology industry across various operating roles, including rare disease commercialization.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Executive appointments

Board appointments

Governance

Board appointments, committee responsibilities and disclosed relationships.

Board and advisory record

Board service

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

Chief Executive Officer, President and Director

Dyne Therapeutics, Inc.

Current · start date not disclosed

Confirmed by public sourceView source

Connections

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

Dyne Therapeutics, Inc.

Open Dyne Therapeutics, Inc. profile →

Chief Executive Officer and President at Dyne Therapeutics, Inc.

Start not stated → End not stated

current · source reported

Observed: 2026-09-16

Chief Executive Officer, President and Director at Dyne Therapeutics, Inc.

Start not stated → End not stated

current · source reported

Observed: 2026-09-16

Dyne Therapeutics,…Dyne Therapeutics, Inc.John G. Cox

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 Def 14aPublic profile sourceSupports Chief Executive Officer and President at Dyne Therapeutics, Inc. (NASDAQ: DYN), Chief Executive Officer, President and Director at Dyne Therapeutics, Inc. (NASDAQ: DYN), Executive title.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:john-g-cox-dyn
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 expertise · Source reportedAI expertise: not identified in the cited filing1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 3, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

AI governance relevance · Source reportedAI governance relevance reported from role and filings1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 3, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Board membership · Source reportedServes on the board of Dyne Therapeutics, Inc.1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Executive company · Source reportedExecutive at Dyne Therapeutics, Inc.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 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 title · Source reportedExecutive title: Chief Executive Officer and President1 source
Verification
Source reported
Confidence
95%
Last reviewed
Sep 6, 2026
Executive title · Source reportedExecutive title: Chief Executive Officer, President and Director1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 3, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

View all sources3 records
  1. https://www.sec.gov/Archives/edgar/data/1818794/000119312526173655/dyn-20260422.htm

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

    Supports: Chief Executive Officer and President at Dyne Therapeutics, Inc. (NASDAQ: DYN) · Chief Executive Officer, President and Director at Dyne Therapeutics, Inc. (NASDAQ: DYN) · Executive title

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

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

  3. https://www.sec.gov/Archives/edgar/data/1818794/000119312526173655/dyn-20260422.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership