Jack Cantalin
Financial advisor at Oppenheimer & Co.
Jack Cantalin is a fiduciary financial advisor in St. Louis, Missouri, with 9 years in the industry. After two years at Merrill and a year at TD Ameritrade, Jack joined Oppenheimer & Co. in 2021, a firm offering financial planning, investment management, and retirement plan consulting. The firm is paid through a percentage of assets, flat fees, and commissions.
One of 5661 advisors with offices in St. Louis, and one of 5231 fiduciaries.
At a glance
Services through Oppenheimer & Co.
Specialties, designations like CFP®, and languages spoken appear here when advisors claim their profiles.
Licenses
Exams passed, from the official record. Tap a license to see what it allows.
Career
- 2021 – nowOppenheimer & Co. Inc.Current firm
- 2019 – 2021MerrillPreviously
- Oct 2018 – Jun 2019TD Ameritrade, Inc.Previously
- Oct 2018 – Jun 2019TD Ameritrade Investment Management, LLCPreviously
Contact Jack
(212) 668-8000Firm headquarters in New York, NY. Ask for Jack. One North Brentwood Boulevard Suite 600St. Louis, MO 63105Office · Get directions Firm websitewww.oppenheimer.com
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Questions to ask Jack
Tailored to Jack’s registration and firm.
- At a firm this size, will I work with you directly or with a service team?
- What does a financial plan with you include, and how often is it updated?
- If you use outside managers, how are they chosen and what do they cost on top of your fee?
- Where would my money be held, and will I get statements directly from that firm?
- What would I pay in total each year, in dollars, including fund and trading costs?
My notes and scorecard
About Jack
How do I contact Jack?
Call Oppenheimer & Co. at (212) 668-8000 and ask for Jack Cantalin. Jack works from the St. Louis, MO office.
How long has Jack been a financial advisor?
Jack has been in the industry since 2017, about 9 years. 9 years in the industry.
What licenses does Jack hold?
Series 63, Series 66. Tap any license on this page to see what it allows.
Is Jack a fiduciary?
Jack is registered as an investment advisor representative, which carries a fiduciary duty when giving investment advice.
How is Jack paid?
Oppenheimer & Co. reports being paid by a percentage of the assets they manage, flat or fixed fees, commissions on some products. Ask Jack for your total yearly cost in dollars.
Official record as of October 3, 2026.
This profile is for information only and is not financial advice or a recommendation.