B. Riley Wealth Advisors
43yrs
Top advisor by experience in Brooklyn
3yrs
Mark Blinderman
Financial advisor at Walnut Investment Services
At a glance
Experience3 years (since 2023)
How that compares ?3 years in the industry
Office1018 8th Avenue, Brooklyn, NY 11215
How the firm is paid ?Percent of assets, Hourly
States licensed ?2 states
Services through Walnut Investment Services
Financial planningInvestment management for individuals and small businesses
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.
None listed.
Career
- 2023 – nowWalnut Investment Services LLCCurrent firm
Questions to ask Mark
Tailored to Mark’s registration and firm.
- What does a financial plan with you include, and how often is it updated?
- 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
Sign in to keep private notes, score your first meeting, and track this advisor alongside others.
About Mark
How do I contact Mark?
Call Walnut Investment Services at 718-788-1972 and ask for Mark Blinderman. Mark works from the Brooklyn, NY office.
How long has Mark been a financial advisor?
Mark has been in the industry since 2023, about 3 years. 3 years in the industry.
What licenses does Mark hold?
No exams are listed on the official record.
Is Mark a fiduciary?
Mark is registered with an advisory firm. Ask whether they act as a fiduciary for all the advice they give you.
How is Mark paid?
Walnut Investment Services reports being paid by a percentage of the assets they manage, hourly fees. Ask Mark for your total yearly cost in dollars.
Official record as of October 2, 2026.
This profile is for information only and is not financial advice or a recommendation.
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