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

Martin A. Dietrich serves as Chairman and Director of NBT Bancorp Inc. He has a Supplemental Executive Retirement Agreement and Split-Dollar Agreement with the company, suggesting prior executive leadership.

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

Structured records are unavailable. This does not establish that no records exist.

Board and advisory record

Board service

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

Chairman of the Board

NBT BANCORP INC

Current · start date not disclosed

Confirmed by public sourceView source

Connections

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

NBT BANCORP INC

Open NBT BANCORP INC profile →

Chairman of the Board at NBT BANCORP INC

Start not stated → End not stated

current · source reported

Observed: 2026-09-24

NBT BANCORP INCNBT BANCORP INCMartin A. Dietrich

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 Chairman of the Board at NBT BANCORP INC (NASDAQ: NBTB).Open sourceSource 2 · Sec FilingNBTB 10-K executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Technology background.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:martin-a-dietrich-nbtb
Record version
public-0

Published evidence records

4 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. Open source

    sec def 14a · Source published: Apr 6, 2026 · Retrieved: Sep 12, 2026

    Supports 1 claim
    • Professional Role: Chairman of the Board at NBT BANCORP INC · Claim reviewed: Sep 12, 2026

  2. NBTB 10-K executive officers

    sec filing · Source published: Feb 27, 2026 · Retrieved: May 15, 2026

    Supports 5 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 15, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 15, 2026
    • Executive company: Executive at NBT BANCORP INC · Claim reviewed: May 15, 2026
    • Executive title: Executive title: Chairman and Director · Claim reviewed: May 15, 2026
    • Technology background: Technology background: not identified in the cited filing · Claim reviewed: May 15, 2026

  3. NBTB executive roster source

    sec filing · Source published: Date unavailable · Retrieved: May 3, 2026

    Supports 5 claims
    • AI expertise: AI expertise: not identified in the cited filing · Claim reviewed: May 3, 2026
    • AI governance relevance: AI governance relevance: not identified in the cited filing · Claim reviewed: May 3, 2026
    • Executive company: Executive at NBT BANCORP INC · Claim reviewed: May 15, 2026
    • Executive function: Other Executive (OTHER_EXECUTIVE) · Claim reviewed: May 3, 2026
    • Executive title: Executive title: Chairman · Claim reviewed: May 3, 2026

  4. Open source

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

    Supports 1 claim
    • Board membership: Serves on the board of NBT BANCORP INC · Claim reviewed: Sep 12, 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 · Source reportedAI and ML experience: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

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: 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

Board membership · Source reportedServes on the board of NBT BANCORP INC1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Cybersecurity experience · Source reportedCybersecurity experience: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Executive company · CorroboratedExecutive at NBT BANCORP INCSupported by 2 public records2 sources
Verification
Corroborated
Confidence
94%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Executive function · Source reportedOther Executive (OTHER_EXECUTIVE)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: Chairman1 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: Chairman and Director1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Technology background · Source reportedTechnology background: not identified in the cited filing1 source
Verification
Source reported
Confidence
72%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

View all sources4 records
  1. https://www.sec.gov/Archives/edgar/data/790359/000114036126013237/ny20059955x1_def14a.htm

    Sec Def 14a · Tier not stated · Reviewed Sep 12, 2026

    Supports: Chairman of the Board at NBT BANCORP INC (NASDAQ: NBTB)

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

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

  3. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

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

  4. https://www.sec.gov/Archives/edgar/data/790359/000114036126013237/ny20059955x1_def14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership