AdvisorCheck - Find and Connect with Top Financial Advisors on Your Terms
Why Advisor Check
JL

Jennifer Lammer

DIAMOND NESTEGG
Scarsdale, NY
Some features on this profile are disabled
CRD#: 7597889
JL

Professional summary


Jennifer Lammer, who also goes by Jennifer Duong, Tho Man Duong, is a registered financial advisor currently at DIAMOND NESTEGG located in Scarsdale, New York.

Jennifer is registered as an IAR (Investment Advisor Representative) and started their career in finance in 2022. Jennifer has worked at 1 firm and has passed the Series 65 and SIE exams.

top-8-questions

Question & Answer


Are you a "fiduciary"?
Yes

Aliases


Jennifer Duong | Tho Man Duong

Other business activities


Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.
(1) 2020-Present: Insurance Agent/Insurance Related/Scarsdale, NY/Independent Insurance Agent/Offer insurance products and services via unaffiliated issuers and agencies/Involves approximately 10% time each month, including during traditional business hours.//(2) 2018-Present: Lammer and Company, LLC/Not Investment Related/Scarsdale, NY/Active LLC but inactive business entity/Chief Executive Officer & Managing Member/Inactive entity, no time involved with this business.//(3) 2016-Present: Residential Real Estate/Not Investment Related/London, United Kingdom/Property Owner/Passive income from residential real estate/Involves one percent time each month, typically after traditional business hours.//

Blog Corner


CRS (Client Relationship Summary) - RIA


Click below to view Jennifer Lammer's CRS (Customer Relationship Summary).

Certified licenses


Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®
None

Experience


Current

August 3, 2022 - Present

DIAMOND NESTEGG

RIA
CRD#: 322780
Scarsdale, NY

State Registrations and Notice Filings


Listed states reflect where the advisor is authorized to serve clients under state regulations.

IAR
means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.

Highlighted states indicate IAR registrations

IAR
New York
(8/3/2022)

Exams


State Security Law Exam
IAR
Series 65
Date: 7/2/2022
Uniform Investment Adviser Law Examination
General Industry/Product Exam
RR
SIE
Date: 6/8/2022
Securities Industry Essentials Examination

Current Firm


DN
DIAMOND NESTEGG
DIAMOND NESTEGG | DIAMOND NESTEGG, LLC

CRD#: 322780 / SEC#:

New York
Registered Investment Advisory firm - (8/3/2022 Approved)
Upgrade to AdvisorCheck Premium
Get A Biweekly Pulse, AutomaticallyReceive biweekly alerts automatically. Stay informed and proactive.
Catch Firm-Level Red Flags SoonerCatch leadership changes and disclosures early, before issues escalate.
See Trends. Not Just SnapshotsMonitor firm stability metrics like AUM and advisor ratios over time.

Contact information


Main Address
Scarsdale, NY
Mailing Address
450 Lexington Avenue #2107, New York, NY 10163
Phone number
(917) 858-3278
Established
Firm type
Fiscal year end
# of Employees
4

Documents


Latest Form ADV

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


DIAMOND NESTEGG

CRD#: 322780Scarsdale, NY

TRUST BUT VERIFY

Monitor Jennifer Lammer

Get automatic monthly alerts on:
Job or Firm Moves
Licensing Changes
Client Complaints
New Red Flags
Contact Information Updates

Similar Advisors


Stephen Albert Zahka
Stephen ZahkaAdvisorCheck Check Mark
EDWARD JONES
IAR
RR
Marlborough, MA
Marshall Lee Rosen
Marshall RosenAdvisorCheck Check Mark
OSAIC WEALTH, INC.
IAR
RR
Fort Lauderdale, FL
Frank Horace Moore III
Frank MooreAdvisorCheck Check Mark
UBS FINANCIAL SERVICES INC.
IAR
RR
Greenwich, CT
footer-logo

AdvisorCheck does not offer investment advice and should not replace discussions with professional accounting, tax, legal or financial advisors.© 2025 AdvisorCheck, an AIMR Analytics company. All rights reserved.