Morgan Stanley
47yrs
Top advisor by experience in New York
34yrs
John Serna
Financial advisor at Citigroup Global Markets
John Serna has worked in the financial industry for 34 years and is a fiduciary financial advisor based in New York, New York. After five years at Citicorp Investment Services, John joined Citigroup Global Markets in 2007, a firm offering financial planning, investment management, and private fund management. Citigroup Global Markets reports being paid through a percentage of assets and flat fees.
One of 15440 advisors with offices in New York, and one of 14018 fiduciaries.
At a glance
Experience34 years (since 1992)
How that compares ?Top 3% by experience at Citigroup Global Markets
Office388 Greenwich Street Tower Building, New York, NY 10013
How the firm is paid ?Percent of assets, Flat fee
Typical client at the firm ?$714,318
Advisors at the firm2,402
States licensed ?1 state
Services through Citigroup Global Markets
Financial planningInvestment management for individuals and small businessesManaging private fundsInvestment management for businesses and institutionsRetirement plan consultingChoosing other investment managersNewsletters and publicationsSecurity ratings or pricingOther services
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
- 2007 – nowCitigroup Global Markets Inc.Current firm
- 2002 – 2007Citicorp Investment ServicesPreviously
Contact John
(212) 816-6000Citigroup Global Markets main office 388 Greenwich Street Tower BuildingNew York, NY 10013Office · Get directions YouTube channelCitigroup Global Markets
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Questions to ask John
Tailored to John’s registration and firm.
- What's your succession plan, and who would work with me if you retire?
- 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
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About John
How do I contact John?
Call Citigroup Global Markets at (212) 816-6000 and ask for John Serna. John works from the New York, NY office.
How long has John been a financial advisor?
John has been in the industry since 1992, about 34 years. Top 3% by experience at Citigroup Global Markets.
What licenses does John hold?
Series 63, Series 65. Tap any license on this page to see what it allows.
Is John a fiduciary?
John is registered as an investment advisor representative, which carries a fiduciary duty when giving investment advice.
How is John paid?
Citigroup Global Markets reports being paid by a percentage of the assets they manage, flat or fixed fees. Ask John 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.
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