Diana G. Dorn
Professional summary
Diana Gayle Dorn is a registered financial advisor currently at STIFEL, NICOLAUS & COMPANY, INCORPORATED located in San Francisco, California.
Diana is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1983. Diana has worked at 17 firms and has passed the Series 65, Series 63, Series 52TO, SIE, Series 7, Series 9, Series 10, Series 53, Series 24, Series 8 and Series 4 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view Diana Gayle Dorn's CRS (Customer Relationship Summary).
CRS (Client Relationship Summary) - BD
Click below to view Diana Gayle Dorn's CRS (Customer Relationship Summary).
Certified licenses
Experience
January 27, 2012 - Present
STIFEL, NICOLAUS & COMPANY, INCORPORATED
Office #1: One Montgomery Street Suites 3300 3500, 3600, & 3700, San Francisco, CA, 94104January 27, 2012 - Present
STIFEL, NICOLAUS & COMPANY, INCORPORATED
Office #1: One Montgomery Street Suites 3300 3500, 3600, & 3700, San Francisco, CA, 94104January 3, 2011 - January 4, 2011
STIFEL, NICOLAUS & COMPANY, INCORPORATED
January 3, 2011 - March 28, 2012
THOMAS WEISEL PARTNERS LLC
January 3, 2011 - January 4, 2011
STIFEL, NICOLAUS & COMPANY, INCORPORATED
January 3, 2011 - May 17, 2012
THOMAS WEISEL PARTNERS LLC
October 29, 2010 - December 22, 2010
LWI FINANCIAL INC.
October 29, 2010 - December 22, 2010
LORING WARD SECURITIES INC.
April 26, 2010 - August 30, 2010
INDEPENDENT ADVISERS GROUP CORP
April 26, 2010 - August 30, 2010
WATERSTONE FINANCIAL GROUP, INC.
April 26, 2010 - August 30, 2010
MUTUAL SERVICE CORPORATION
April 26, 2010 - August 30, 2010
ASSOCIATED SECURITIES CORP.
June 22, 2009 - August 30, 2010
UVEST FINANCIAL SERVICES GROUP, INC.
November 22, 2005 - August 30, 2010
LPL FINANCIAL LLC
November 22, 2005 - August 30, 2010
LPL FINANCIAL LLC
June 13, 2005 - August 19, 2005
FIRST ALLIED SECURITIES, INC.
May 27, 2004 - September 17, 2004
ADVANCED EQUITIES, INC.
January 19, 2001 - June 13, 2005
ROUND HILL SECURITIES, INC.
November 24, 1999 - March 29, 2000
SHARE KING, LLC
February 8, 1999 - November 5, 1999
WELLS FARGO BROKERAGE SERVICES, L.L.C.
November 22, 1994 - November 5, 1999
WELLS FARGO SECURITIES INC.
September 21, 1983 - November 2, 1994
CHARLES SCHWAB & CO., INC.
Primary Firm SEC Registration

STIFEL, NICOLAUS & COMPANY, INCORPORATED
CRD#: 793 / SEC#: 801-10746, 8-1447
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
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Exams
Series 52TO
Date: 9/25/2025
Municipal Securities Representative ExaminationSeries 8
Date: 10/2/1989
General Securities Sales Supervisor Examination (Options Module & General Module)Cboe BZX Exchange, Inc.
FINRA
NYSE American LLC
Nasdaq PHLX LLC
Nasdaq Stock Market
New York Stock Exchange
Current Firm

STIFEL, NICOLAUS & COMPANY, INCORPORATED
CRD#: 793 / SEC#: 801-10746, 8-1447
Contact information
SEC notice filing (52 States and Territories)
FINRA licenses (53 States and Territories)
Documents
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| STIFEL FINANCIAL CORP. | SHAREHOLDER | |
| AYD, PAUL JOSEPH | CHIEF COMPLIANCE OFFICER - CAPITAL MARKETS | 2963853 |
| BRIGHT, GEOFFREY CLYDE JR | CHIEF COMPLIANCE OFFICER - PRIVATE CLIENT GROUP | 4696103 |
| BROOKS, PATRICK RODGERS | ROSFP - CAPITAL MARKETS | 2223412 |
| DODSON, CHARLES EDWARD | CCO ADVISORY SERVICES | 1744430 |
| FISHER, MARK PHILIP | GENERAL COUNSEL, SECRETARY | 4970942 |
| HYDE, GINA ELIZABETH | CHIEF COMPLIANCE OFFICER - CAPITAL MARKETS | 2812751 |
| KRUSZEWSKI, RONALD JAMES | PRESIDENT, CHIEF EXECUTIVE OFFICE & CHAIRMAN OF THE BOARD | 1434827 |
| MELINGER, ADAM SCOTT | ROSFP - PCG | 2373020 |
| NOLL, DOUGLAS WAYNE | PRINCIPAL OPERATIONS OFFICER | 1614129 |
| RAYMOND, CHARLES BRADFORD GREEN | CO-HEAD GLOBAL INSTITUTIONAL EQUITIES & ADVISORY | 2796106 |
| SCHRICK, FREDERICK RICHARD | PRINCIPAL FINANCIAL OFFICER | 5636488 |
| SLINEY, DAVID DEAN | SENIOR VICE PRESIDENT & DIRECTOR | 2276514 |
| ZEMLYAK, JAMES MARK | EXECUTIVE VICE PRESIDENT & DIRECTOR | 1586132 |
Regulatory assets under management
| Total Number of Accounts | 368,405 |
| AUM (Assets Under Management) | $ 171,209,609,487 |
Disclosures
| Regulatory Event | 168 |
| Civil Event | 2 |
| Arbitration | 60 |
| Bond | 2 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 12/18/2024 | ||
| 12/19/2023 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
Check for any disclosures as part of your thorough research when choosing an advisor.
Company Information
STIFEL, NICOLAUS & COMPANY, INCORPORATED
CRD#: 793San Francisco, CA 94104TRUST BUT VERIFY
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