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Robert Dimella

Executive Managing Director at Mackay Shields

Broker registration; no current adviser registration

Robert Dimella is Executive Managing Director of Mackay Shields LLC, a New York investment adviser managing $160B. Robert Dimella has a current broker registration and no current investment-adviser registration and has passed the Series 7 and Series 24.

2
Licensing exams

From the IAPD record · data retrieved 18 October 2026 · page updated 20 October 2026SEC record

Career

Robert Dimella has been Executive Managing Director of Mackay Shields since March 2010. Robert Dimella is a control person of the firm and directly owns under 5% of it. Robert Dimella holds a Master’s degree from Rutgers University Business School and an Undergraduate degree from the University of Connecticut.

Mackay Shields LLC is a New York, NY firm with $160B under management, 354 clients and 73 advisers across 4 offices, as of its August 2026 filing.

MacKay Shields identifies Robert DiMella as executive managing director and co-head of MacKay Municipal Managers. He joined in July 2009 when the firm acquired the assets of Mariner Municipal Managers, which he co-founded.

No adviser firm registrations are on Robert Dimella’s record.

Credentials and registrations

Examinations

SIECredited
Name
Securities Industry Essentials Examination
Series 2429 November 2010
Name
General Securities Principal Examination
Series 76 March 2010
Name
General Securities Representative Examination

Individual record

Full name
Robert Alan Dimella
CRD
5462540
Firm bio
nylim.com

Disciplinary history is not reported here, in either direction. Check the SEC record.

Common questions

Where does Robert Dimella work?

Robert Dimella has been Executive Managing Director of Mackay Shields LLC since March 2010, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 6 August 2026

Does Robert Dimella have a current investment-adviser registration?

Robert Dimella has a current broker registration and no current investment-adviser registration.

Source: IAPD individual record, checked 18 October 2026

What exams has Robert Dimella passed?

Robert Dimella has passed 2 licensing exams: the Series 7 and Series 24. The earliest, the Series 7, was passed in March 2010. FINRA credited Robert Dimella with the SIE, which began in October 2018.

Source: IAPD individual record, checked 18 October 2026

Leadership at Mackay Shields

Sources

  1. IAPD individual record, CRD 5462540. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Mackay Shields LLC, filed 6 August 2026. Title, control and ownership bands.
  3. Mackay Shields team page. Biography, education, credentials, awards.

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

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