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

We're Here To Help

AdvisorCheck empowers you to find, evaluate, and monitor financial advisors with confidence and clarity.

Advisor Monitoring

Financial advisor's situations can change, sometimes without notice. AdvisorCheck's Monitoring tool helps you avoid surprises and stay on top of your financial health.

Firm Stability Insights

The stability of your financial advisor's firm has a significant impact in the security and quality of service you receive. Our tool provides historical data and key insights over time to help you make informed, confident decisions.

Pricing
For Advisors
JY

Jaekyoung Yoon

Some features on this profile are disabled
CRD#: 2497009
JY

Professional summary

Being a previously registered professional could mean that this person is no longer operating under the supervision of the SEC or FINRA.

That means that the Securities and Exchange Commission may not be able to oversee the services that this specific professional is providing.

Jaekyoung Yoon, who also goes by Jaekyoung Karr, Jaekyoung Yeh, was a registered financial professional .

Jaekyoung is a previously registered financial professional and started their career in finance in 1994. Jaekyoung had worked at 6 firms and has passed the Series 66, Series 63, SIE, Series 7, Series 9 and Series 10 exams.

top-8-questions

Question & Answer

Are you a "fiduciary"?
No

Aliases

Jaekyoung Karr | Jaekyoung Yeh

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) Youth In Need - Vice Chair. Not investment-related. Duties include overseeing governance of organization and liaise between executive board and broader board members to facilitate communication among members for effective governance. Attend a quarterly board meeting, not during business hours. Charitable organization. 2) Concordance Academy- Board Member. Not investment-related. Duties include overseeing general governance of organization. Attend a quarterly board meeting. Charitable organization driving awareness of recidivism and second chances for formerly incarcerated individuals who integrate back to civilian life. 3) Contemporary Art Museum - Treasurer. Not investment-related. Duties include overseeing Finance Committee activities including approvals to budget, forecasts, and changes to future forecasts. Attend a quarterly board meeting, not during business hours. Charitable organization. 4) Bethesda Health Group - Treasurer. Not investment-related. Duties include overseeing Finance Committee activities including approvals to budget, forecasts, and changes to future forecasts. Attend a quarterly board meeting, not during business hours. Charitable organization. 5) Chaminade College Preparatory School - Finance Committee. Not investment-related. Duties include overseeing finance committee activities including approvals of budget, forecasts and changes to future forecasts. Attend a quarterly finance committee meeting, before business hours. Charitable organization. 6) Yoon Business Consulting LLC - President. Not investment-related. Duties include providing strategic planning and marketing to businesses and non-profits. Spend less than 10% of market hours on this activity per month.

Blog Corner

CRS (Client Relationship Summary)

The CRS(Customer Relationship Summary) document is not provided.

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

Past

August 19, 2020 - June 2, 2025

BLACKGEM ADVISORS, LLC

RIA
CRD#: 309683
CLAYTON, MO
Past

March 27, 2014 - June 5, 2017

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

RIA
CRD#: 7691
SAINT LOUIS, MO
Past

March 27, 2014 - June 5, 2017

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

BD
CRD#: 7691
SAINT LOUIS, MO
Past

August 11, 2010 - May 15, 2012

J.P. MORGAN SECURITIES LLC

RIA
CRD#: 79
CLAYTON, MO
Past

August 10, 2010 - February 14, 2014

J.P. MORGAN SECURITIES LLC

BD
CRD#: 79
CLAYTON, MO
Past

July 20, 2009 - August 2, 2010

CHASE INVESTMENT SERVICES CORP.

RIA
CRD#: 25574
CHICAGO, IL
Past

July 20, 2009 - August 2, 2010

CHASE INVESTMENT SERVICES CORP.

BD
CRD#: 25574
CHICAGO, IL
Past

January 1, 2008 - July 2, 2009

WELLS FARGO CLEARING SERVICES, LLC

BD
CRD#: 19616
CLAYTON, MO
Past

November 15, 2006 - January 3, 2008

A. G. EDWARDS & SONS, INC.

BD
CRD#: 4
ST. LOUIS, MO
Past

August 1, 1994 - November 20, 1998

A. G. EDWARDS & SONS, INC.

BD
CRD#: 4
ST. LOUIS, MO

State Registrations and Notice Filings

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

Visual representation of state registrations

This advisor is not registered in any state.

Exams

State Security Law Exam
RR
IAR
Series 66
Date: 1/3/2007
Uniform Combined State Law Examination
State Security Law Exam
RR
Series 63
Date: 8/4/1994
Uniform Securities Agent State Law Examination
General Industry/Product Exam
RR
SIE
Date: 6/5/2017
Securities Industry Essentials Examination
General Industry/Product Exam
RR
Series 7
Date: 11/14/2006
General Securities Representative Examination
Principal/Supervisory Exam
RR
Series 9
Date: 3/14/2016
General Securities Sales Supervisor - Options Module Examination
Principal/Supervisory Exam
RR
Series 10
Date: 12/9/2015
General Securities Sales Supervisor - General Module Examination

Current Firm

BA
BLACKGEM ADVISORS, LLC
BLACKGEM ADVISORS, LLC

CRD#: 309683 / SEC#:

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
7733 Forsyth Blvd. Suite 1100, Clayton, MO 63105
Mailing Address
Phone number
(314) 463-0200
Established
Firm type
Fiscal year end
# of Employees
2

Documents

Latest Form ADV

Regulatory assets under management

Total Number of Accounts44
AUM (Assets Under Management)$ 40,007,946

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

BLACKGEM ADVISORS, LLC

CRD#: 309683

TRUST BUT VERIFY

Monitor Jaekyoung Yoon

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
Frank Horace Moore III
Frank MooreAdvisorCheck Check Mark
UBS FINANCIAL SERVICES INC.
IAR
RR
Greenwich, CT
Marshall Lee Rosen
Marshall RosenAdvisorCheck Check Mark
OSAIC WEALTH, INC.
IAR
RR
Fort Lauderdale, FL
footer-logo
How We Help
Advisor Search
Find Advisors by State
Blog
Glossary
For Advisors
About Us
Help Center
Terms Of UsePrivacy PolicySubscription Policy
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.
Powered ByAIRM Analytics