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Mark Williamson

Elected Manager at Ballentine Partners

Officer record from the firm’s Form ADVForm ADV filed 23 September 2026

Mark Williamson holds the title Elected Manager at Ballentine Partners, LLC, a Waltham investment adviser.

Role at Ballentine Partners

Title on Schedule A
Elected Manager
Control
Mark Williamson is a control person of Ballentine Partners.
Ownership
An individual ownership band is not available in the source record.
Tenure
Mark Williamson has held the filed role since September 2022.

The firm

Ballentine Partners, LLC
Waltham, MA

Form ADV filed 23 September 2026

$15.3B AUM353 clients87 advisers5 offices

Career on record

The IAPD individual lookup on 18 October 2026 returned no individual record. This profile uses the firm’s Form ADV officer listing.

Registrations and exams

Individual registration and examination information for Mark Williamson is unavailable. An officer title or CRD number does not by itself establish current investment adviser representative registration, and no registration or examination counts are inferred.

Officer record

Full name
Mark Williamson
CRD
6028033
Firm
Ballentine Partners, LLC
Record basis
Form ADV officer listing

This directory does not report disciplinary history, for any firm or individual, in either direction. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. Check this record on adviserinfo.sec.gov

Common questions

Where does Mark Williamson work?

Mark Williamson has held the title Elected Manager at Ballentine Partners, LLC since September 2022, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 23 September 2026

Leadership at Ballentine Partners

Sources

  1. IAPD individual lookup, CRD 6028033. This profile uses the Form ADV officer listing; the individual lookup did not provide a current investment-adviser record.
  2. Form ADV Part 1A, Schedules A and B of Ballentine Partners, LLC, filed 23 September 2026. Title, control and ownership bands.

Retrieved 18 October 2026. The SEC record may have been amended since.

Report a correction

This profile is compiled from public regulatory records and the firm's own published materials, and is provided for informational purposes only. Niva Wealth is not affiliated with Mark Williamson or Ballentine Partners, LLC and makes no representation about the quality of their services. This directory does not report disciplinary history, in either direction.