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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
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

Board appointments

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.

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GERON CORPGERON CORPRobert J. Spiegel

Solid: current or date not established. Dashed: historical. Lines show published affiliations, not personal familiarity or influence. On small screens, scroll the diagram horizontally or use the selector below.

Published connection

GERON CORP

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Director at GERON CORP

Start not stated → End not stated

current · source reported

Observed: 2026-09-06T19:33:26.422692+00:00

Relationship map

Connected through the public record

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

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 Director at GERON CORP (NASDAQ: GERN), Board membership.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:robert-j-spiegel
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 GERON CORP1 source
Verification
Source reported
Confidence
95%
Last reviewed
Sep 6, 2026
View all sources1 records
  1. https://www.sec.gov/Archives/edgar/data/886744/000088674426000024/gern-20260407.htm

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

    Supports: Director at GERON CORP (NASDAQ: GERN) · Board membership