Structured intelligence coverage

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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
33 current organizations shown on this profile
Board positions
33 supported by public sources, 0 supplied by the profile owner
Committee roles
3Roles supported by the sources cited on this profile
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

About

Extensive public company experience as C-level executive and director. Co-founded AdStar, Inc. in 1986 (taken public in 1999) and served as president, CEO and executive director until 2012. Currently serves as chairman of Nexalin Technology, Inc. and board member of Sharplink Gaming Inc.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Board appointments

Governance

Board appointments, committee responsibilities and disclosed relationships.

Committee appointments across companies · Temporarily unavailable

Structured records for this section are unavailable. This does not establish that no records exist. Published profile sources remain in Evidence & History.

Board and advisory record

Board service

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

Director

Sachem Capital Corp.

2025-04-30 · current

Confirmed by public sourceView source

Director

Sharplink, Inc.

2024-01-01 · current

Confirmed by public sourceView source

Director

Nexalin Technology, Inc.

2023-01-01 · current

Confirmed by public sourceView source

Connections

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

Nexalin Technology, Inc.

Open Nexalin Technology, Inc. profile →

Director at Nexalin Technology, Inc.

2023-01-01 → End not stated

current · source reported

Observed: 2026-09-27

Nexalin Technology…Nexalin Technology, Inc.Sachem Capital Corp.Sachem Capital Corp.Sharplink, Inc.Sharplink, Inc.Leslie Bernhard

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 FilingNXL 10-K executive officersSupports Executive company, Executive title.Open sourceSource 2 · Sec FilingSBET DEF 14A director slateSupports AI and ML experience, Board role, Committee assignments, Cybersecurity experience, Technology background.Open sourceSource 3 · Sec FilingSCCG 10-K executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Other Company Role, Technology background.Open sourceSource 4 · Sec FilingNXL DEF 14A director slateSupports Board role, Committee assignments.Open sourceSource 5 · Sec ProxyPublic profile sourceSupports Director at Sachem Capital Corp. (NYSE: SCCG).Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:leslie-bernhard
Record version
public-0

Published evidence records

15 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. NXL 10-K executive officers

    sec filing · Source published: Mar 25, 2026 · Retrieved: May 16, 2026

    Supports 2 claims
    • Executive company: Executive at Nexalin Technology, Inc. · Claim reviewed: May 16, 2026
    • Executive title: Executive title: Director · Claim reviewed: Jul 28, 2026

  2. SBET DEF 14A director slate

    sec filing · Source published: Mar 17, 2026 · Retrieved: May 16, 2026

    Supports 5 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Board role: Board role: Director · Claim reviewed: May 16, 2026
    • Committee assignments: Committee assignments: Audit, Compensation, Nominating/Governance · Claim reviewed: May 16, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Technology background: Technology background: not identified in the cited filing · Claim reviewed: May 16, 2026

  3. Open source

    sec proxy · Source published: Mar 17, 2026 · Retrieved: Apr 25, 2026

    Supports 1 claim
    • Professional Role: Director at Sharplink, Inc. · Claim reviewed: May 16, 2026

  4. SCCG 10-K executive officers

    sec filing · Source published: Mar 13, 2026 · Retrieved: Jul 28, 2026

    Supports 6 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Executive company: Executive at Sachem Capital Corp. · Claim reviewed: Jul 28, 2026
    • Executive title: Executive title: Director · Claim reviewed: Jul 28, 2026
    • Other Company Role: Leslie Bernhard is also linked to Nexalin Technology, Inc. as Chairman of the Board. · Claim reviewed: May 16, 2026
    • Technology background: Technology background reported in filings · Claim reviewed: May 16, 2026

  5. SCCE 10-K executive officers

    sec filing · Source published: Mar 13, 2026 · Retrieved: Jul 28, 2026

    Supports 2 claims
    • Executive company: Executive at Sachem Capital Corp. · Claim reviewed: Jul 28, 2026
    • Executive title: Executive title: Director · Claim reviewed: Jul 28, 2026

  6. SACH 10-K executive officers

    sec filing · Source published: Mar 13, 2026 · Retrieved: May 16, 2026

    Supports 2 claims
    • Executive company: Executive at Sachem Capital Corp. · Claim reviewed: Jul 28, 2026
    • Executive title: Executive title: Director · Claim reviewed: Jul 28, 2026

  7. SCCF 10-K executive officers

    sec filing · Source published: Mar 13, 2026 · Retrieved: Jul 28, 2026

    Supports 2 claims
    • Executive company: Executive at Sachem Capital Corp. · Claim reviewed: Jul 28, 2026
    • Executive title: Executive title: Director · Claim reviewed: Jul 28, 2026

  8. SCCD 10-K executive officers

    sec filing · Source published: Mar 13, 2026 · Retrieved: Jul 28, 2026

    Supports 2 claims
    • Executive company: Executive at Sachem Capital Corp. · Claim reviewed: Jul 28, 2026
    • Executive title: Executive title: Director · Claim reviewed: Jul 28, 2026

  9. SACH-PA 10-K executive officers

    sec filing · Source published: Mar 13, 2026 · Retrieved: Jul 28, 2026

    Supports 2 claims
    • Executive company: Executive at Sachem Capital Corp. · Claim reviewed: Jul 28, 2026
    • Executive title: Executive title: Director · Claim reviewed: Jul 28, 2026

  10. NXL DEF 14A director slate

    sec filing · Source published: Jun 17, 2025 · Retrieved: May 16, 2026

    Supports 2 claims
    • Board role: Board role: Chair · Claim reviewed: May 16, 2026
    • Committee assignments: Committee assignments: Audit, Compensation, Nominating/Governance · Claim reviewed: May 16, 2026

  11. Open source

    sec proxy · Source published: Jun 17, 2025 · Retrieved: Apr 28, 2026

    Supports 1 claim
    • Professional Role: Director at Nexalin Technology, Inc. · Claim reviewed: May 16, 2026

  12. Open source

    sec proxy · Source published: Apr 30, 2025 · Retrieved: Sep 2, 2026

    Supports 1 claim
    • Professional Role: Director at Sachem Capital Corp. · Claim reviewed: May 16, 2026

  13. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of Sachem Capital Corp. · Claim reviewed: May 16, 2026

  14. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of Sharplink, Inc. · Claim reviewed: May 16, 2026

  15. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of Nexalin Technology, Inc. · Claim reviewed: May 16, 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.

AI and ML experience · CorroboratedAI and ML experience: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

Board membership · Source reportedServes on the board of Nexalin Technology, Inc.1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Board membership · Source reportedServes on the board of Sachem Capital Corp.1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Board membership · Source reportedServes on the board of Sharplink, Inc.1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Board role · Source reportedBoard role: Chair1 source
Verification
Source reported
Confidence
92%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Board role · Source reportedBoard role: Director1 source
Verification
Source reported
Confidence
92%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Committee assignments · CorroboratedCommittee assignments: Audit, Compensation, Nominating/GovernanceSupported by 2 public records2 sources
Verification
Corroborated
Confidence
88%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Cybersecurity experience · CorroboratedCybersecurity experience: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

Executive company · Source reportedExecutive at Nexalin Technology, Inc.1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive company · CorroboratedExecutive at Sachem Capital Corp.Supported by 6 public records6 sources
Verification
Corroborated
Confidence
94%
Last reviewed
Jul 28, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

Executive title · CorroboratedExecutive title: DirectorSupported by 7 public records7 sources
Verification
Corroborated
Confidence
94%
Last reviewed
Jul 28, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

Other Company Role · Source reportedLeslie Bernhard is also linked to Nexalin Technology, Inc. as Chairman of the Board.1 source
Verification
Source reported
Confidence
70%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

Technology background · Under reviewTechnology background: not identified in the cited filing1 source
Verification
Under review
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Technology background · Under reviewTechnology background reported in filings1 source
Verification
Under review
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

View all sources15 records
  1. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: Executive company · Executive title

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: AI and ML experience · Board role · Committee assignments · Cybersecurity experience · Technology background

  3. https://www.sec.gov/Archives/edgar/data/1981535/000149315226010536/formdef14a.htm

    Sec Proxy · Tier not stated · Reviewed Apr 25, 2026

    Supports: Director at Sharplink, Inc. (NASDAQ: SBET)

  4. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

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

  5. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

    Supports: Executive company · Executive title

  6. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: Executive company · Executive title

  7. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

    Supports: Executive company · Executive title

  8. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

    Supports: Executive company · Executive title

  9. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

    Supports: Executive company · Executive title

  10. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: Board role · Committee assignments

  11. https://www.sec.gov/Archives/edgar/data/1527352/000182912625004535/nexalintech_def14a.htm

    Sec Proxy · Tier not stated · Reviewed Apr 28, 2026

    Supports: Director at Nexalin Technology, Inc. (NASDAQ: NXL)

  12. https://www.sec.gov/Archives/edgar/data/1682220/000110465925042273/tm2512843-3_def14a.htm

    Sec Proxy · Tier not stated · Reviewed Sep 2, 2026

    Supports: Director at Sachem Capital Corp. (NYSE: SCCG)

  13. https://www.sec.gov/Archives/edgar/data/1682220/000110465925042273/tm2512843-3_def14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership

  14. https://www.sec.gov/Archives/edgar/data/1981535/000149315226010536/formdef14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership

  15. https://www.sec.gov/Archives/edgar/data/1527352/000182912625004535/nexalintech_def14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership