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Gregory John Lesko

DELTEC ASSET MANAGEMENT
New York, NY
·CRD# 2088339·36 years experience

Professional Summary

Gregory John Lesko is a registered financial advisor currently at DELTEC ASSET MANAGEMENT LLC located in New York, New York. Gregory is registered as an IAR (Investment Advisor Representative) and started their career in finance in 2001. Gregory has worked at 1 firm and has passed the Series 63, Series 65 and Series 2 exams.

At a Glance

Always Fiduciary

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Other Aliases

There are no additional aliases reported.

Blog Corner

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Videos & Posts

This advisor has not added any videos or posts yet.

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Contact Information

This advisor has not claimed their profile yet, so there is no contact information to display at this time.

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Disclosures are events reported to regulators, such as customer disputes, regulatory actions, employment separations, or financial events. Some are resolved, denied, or contested — a disclosure is not a verdict. We recommend asking an advisor directly about any disclosure on their record.

Disclosures on record.

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.

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Years of Experience

36 years in the financial services industry

Current & Past Employments

DELTEC ASSET MANAGEMENT LLC·CRD# 104068
RIA
530 Fifth Avenue 9th Floor, New York, NY 10036
November 23, 2021 - Present
DELTEC ASSET MANAGEMENT LLC·CRD# 104068
BD
New York, NY
July 16, 2001 - February 28, 2011

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Current Firm

DA
DELTEC ASSET MANAGEMENT LLC

DELTEC ASSET MANAGEMENT LLC

CRD#: 104068 / SEC#: 801-58090, 8-52597
RIA
Registered Investment Advisory firm - SEC (9/29/2000 Approved)
BD
Terminated by SEC on 04/29/2011

Contact Information

Main Address

530 Fifth Avenue 17th Floor, New York, NY 10036

Phone Number

(212) 546-6200

Established

Delaware since 01/14/2000

Firm Type

Limited Liability Company

Fiscal Year End

December

# of Employees

15

SEC notice filing (51 States and Territories)

Registered to provide investment advisory services in 51 US states and territories.

Documents

Customer Relationship Summary (CRS / SEC)Latest Form ADV

Part 2 Brochures

FORM ADV PART 2A (2/20/2026)

Direct owners and executive officers

NamePositionCRD#
BLUE TEE PARTNERS, LLCMANAGING MEMBER—
BYRNES, ARTHUR EVERETTSENIOR MANAGING DIR.37710
GORDON, JOHN ROUSMANIERESENIOR MANAGING DIR.1483496
GRUNDER, LINEN ANNMANAGING DIRECTOR2742659
HALL, TIMOTHY STEPHENMANAGING DIRECTOR4391230
LESKO, GREGORY JOHNMANAGING DIRECTOR2088339
VITTI, DENISE GRACECONTROLLER, FINOP—
WHITE, JAMES TERRYMANAGING DIRECTOR2102275
ZUPPELLO, STEPHENSR. MANAGING DIR., ROP, CROP, SCROP, CHIEF COMPLIANCE OFFICER, AML COMPLIANCE OFFICER1310048

Regulatory Assets Under Management

Total Number of Accounts

161

AUM (Assets Under Management)

$782,757,470

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Other business activities

Information obtained from regulatory filings. Advisors can request corrections through their firm or regulator.

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.

The advisor shows no other business activity.

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Primary Firm SEC Registration

This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".
DA
DELTEC ASSET MANAGEMENT LLC

DELTEC ASSET MANAGEMENT LLC

CRD#: 104068 / SEC#: 801-58090, 8-52597
RIA
Registered Investment Advisory firm - SEC (9/29/2000 Approved)
BD
Terminated by SEC on 04/29/2011

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.
IAR
New York
(11/23/2021)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state.

Exams

Financial professionals may take different exams throughout their careers based on the types of services they provide and roles they perform.

Series 63 — Uniform Securities Agent State Law Examination

Passed Nov 2003About the Series 63 exam

Series 65 — Uniform Investment Adviser Law Examination

Passed Feb 1992About the Series 65 exam

Series 2 — Non-Member General Securities Examination

Passed Aug 1990

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CRS (Client Relationship Summary) - RIA

Click below to view Gregory John Lesko's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

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