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Public information reviewed

Mark Litton, Ph.D.

Operating / professional title

President and Chief Executive Officer at LeonaBio, Inc. (NASDAQ: LONA)

Board role

President, Chief Executive Officer and Director · LeonaBio, Inc. (NASDAQ: LONA)

LeonaBio, Inc. (NASDAQ: LONA)

President, Chief Executive Officer and Director · Current mandate

Board Director · Us Listed
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Reports & analysisAlpha Eval
Public sources
1 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

Alpha has not published a narrative summary because the current public source set is not sufficient.

Current roles

Appointments & responsibilities

Executive appointments

President and Chief Executive Officer

LeonaBio, Inc. (NASDAQ: LONA)

Current

Source effective: 2026-05-11 · Observed: 2026-09-06T09:44:48.683756+00:00

confirmedView source

Board appointments

President, Chief Executive Officer and Director

LeonaBio, Inc. (NASDAQ: LONA)

Current

Independence: Not independent

Source effective: 2026-05-11 · Observed: 2026-09-06T09:44:48.683756+00:00

confirmedView source

Governance

Board appointments, committee responsibilities and disclosed relationships.

Public professional graph

Network lens

Published affiliations, capability adjacency, and evidence-labelled relationship signals. Private familiarity or influence is not asserted.

Career architecture

Unavailable

No published career records are available for this profile.

unavailable · 0 evidence records

Governance portfolio

Not asserted

The governed public source set does not establish a board or advisory portfolio.

unavailable · 0 evidence records

Capability graph

Unavailable

No public capability taxonomy is attached to this profile.

unavailable · 0 evidence records

Public affiliation breadth

Unavailable

This is a count of published company affiliations, not a measure of influence or relationship strength.

unavailable · 0 evidence records

Temporal relationship trace

Published affiliations

Unavailable · no published affiliation series is attached to this record.

Capability adjacency

Published areas

    Unavailable · no public capability taxonomy is attached.

    Direct contact, private mutual connections, and relationship pathfinding are not exposed.

    Relationship map

    Connected through the public record

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

    • LeonaBio, Inc.

      President and Chief Executive Officer

      Verified public fact

    Direct public links only

    AGKG relationship pathfinding is not granted on this public profile. Deeper paths belong in a permissioned workspace.

    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 President and Chief Executive Officer at LeonaBio, Inc. (NASDAQ: LONA), President, Chief Executive Officer and Director at LeonaBio, Inc. (NASDAQ: LONA), Executive title, Board membership.Open source

    Basis

    Identifiers, sources, dates and record limitations.

    Identifiers

    Alpha ID
    alpha:person:mark-litton-ph-d
    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.

    Board membership · Source reportedServes on the board of LeonaBio, Inc.1 source
    Verification
    Source reported
    Confidence
    95%
    Last reviewed
    Sep 6, 2026
    Executive title · Source reportedExecutive title: President and Chief Executive Officer1 source
    Verification
    Source reported
    Confidence
    95%
    Last reviewed
    Sep 6, 2026
    View all sources1 records
    1. https://www.sec.gov/Archives/edgar/data/1620463/000119312526216742/lona-20260511.htm

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

      Supports: President and Chief Executive Officer at LeonaBio, Inc. (NASDAQ: LONA) · President, Chief Executive Officer and Director at LeonaBio, Inc. (NASDAQ: LONA) · Executive title · Board membership