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Steven Callaghan

Advisor at Mariner — Long Beach, NY

Updated today

Credentials

Series 65

Experience

< 1 year

Location

Long Beach, NY

Mariner logo

Mariner

Enterprise

Total advisors

992

Across 210 offices

Clients per advisor

55 Typical

Avg AUM per client

$2,116,909 Very High

HNW client ratio

41% Very High

About

Steven Callaghan is a financial advisor at Mariner with a Series 65 designation. He has no prior industry experience but served 14 years with the New York City Police Department before joining Mariner. Mariner serves a diverse client base including individuals, pension plans, trusts, and charitable organizations, providing investment management, financial planning, retirement consulting, and tax services. The firm employs discretionary, customized portfolios supported by in-house and third-party managers and offers integrated tax, accounting, and financial wellness solutions.

Client services

Based on Mariner

Financial planning Portfolio management Pension consulting Selection of other advisers Newsletters or periodicals Educational seminars or workshops Family office services

Expertise

Based on Mariner

Private / alternative investments Options & derivatives strategies Concentrated stock management Annuities Retirement plans for business owners (SEP, solo 401k)

Occupation focus

Based on Mariner

Founder/Business Owner Executive

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Fee options

Fixed

Fixed fees for financial planning and consulting services, fixed fees for tax services, minimum quarterly fee $1,875

Percentage

$0 - $1,000,000: 1.25% $1,000,000 - $5,000,000: 1.00% $5,000,000 - $10,000,000: 0.80% $10,000,000+: 0.60%

Commissions

Commission-based compensation for insurance products and brokerage through affiliated broker-dealer MSEC LLC

Project-based

Hourly rates for consulting and tax preparation services, specific rates negotiable/not specified

Other

Account minimum: $100,000 Minimum fee: Quarterly minimum fee of $1,875

Location

See office

Long Beach, NY

Long Beach NY

Advisors at this office

2

Most active in

Kansas · New York

Work history

< 1 year of industry experience

Mariner

2026 - Present • 1 year

Overland Park, KS

Mariner

2026 - 2026 • 1 year

Overland Park, KS

New York City Police Department

2012 - 2026 • 14 years

New York, NY

Disclosures

Exclamation point means they have disclosures of this type. Check mark means no disclosures of this type were found.

Business activities & affiliations

user avatar

Syed H

Series 65

Rego Park, NY

Prudent Investment Advisors, Inc.

Syed Haque is a financial advisor at Prudent Investment Advisors, Inc. with 13 years of industry experience and a Series 65 credential. He has been a practicing CPA since 1989 and operates his accounting practice independently alongside his advisory role. Prudent Investment Advisors, Inc. is an independent firm managing approximately $7.4 million in discretionary assets for individuals, retirement accounts, and charitable organizations. The firm employs a combination of fundamental and technical analysis to manage a small, concentrated client base primarily on a discretionary basis.

Active portfolio management
user avatar

Chong Tong C

Series 65

Arverne, NY

Rhizome Capital Management LLC

Chong Tong Chen is the sole advisor at Rhizome Capital Management LLC and holds a Series 65 designation with three years of industry experience. He has been with Rhizome Capital Management since 2021 and has been involved with Rhizome Partners LP since 2013. Rhizome Capital Management provides discretionary portfolio management to high-net-worth individuals and manages three privately offered Delaware limited-partnership funds under Regulation D. The firm employs fundamental analysis and pursues concentrated strategies including long/short trading in micro- and small-cap equity and debt, with additional focus on real-estate and hard-asset exposures.

Active portfolio management Concentrated stock management Real estate investing
user avatar

Attila M

Series 65

Sunnyside, NY

Mendlstein Capital Holdings LLC

Attila Mendli is a financial advisor at Mendlstein Capital Holdings LLC with a Series 65 credential. He has one year of industry experience and has held roles at Corvinus University and several companies including Uber Technologies and Hogan Personnel. Mendlstein Capital Holdings LLC provides financial planning, consulting, and portfolio management primarily to individuals, high-net-worth individuals, and small to medium-sized businesses. The firm focuses on ETF-centric portfolios using thematic, macroeconomic, and fundamental analysis with a long-term orientation and occasional tactical adjustments tailored to each client’s circumstances.

General retirement planning General tax planning General estate planning guidance Debt management Cash flow / budgeting
user avatar

Neil C

CFP®, Series 63

Bayside, NY

NGC Financial, LLC

Neil Carousso is a CFP® and Series 63 licensed advisor with 32 years of industry experience. He is the principal and sole advisor at NGC Financial, LLC, where he has worked since 2000. Outside of his advisory role, Mr. Carousso owns and operates an accounting and tax preparation business focused on individual tax clients during the tax season. NGC Financial, LLC provides fee-based investment advisory and financial planning services primarily to individuals and high-net-worth clients, as well as employer retirement plan consulting for businesses. The firm employs a customized, tactical allocation approach across various investment vehicles and manages accounts on a non-discretionary basis with ongoing monitoring and rebalancing.

Annuities Real estate investing Retirement plans for business owners (SEP, solo 401k)
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Jonathan F

Series 63, Series 66, Series 65

Garden City, NY

Fischer Advisors LLC

Jonathan Fischer is the principal advisor at Fischer Advisors LLC with 10 years of industry experience. He previously worked at Credit Suisse and S3 Partners before founding his independent firm in 2024. Fischer Advisors LLC provides portfolio management and financial planning services primarily for individual and high-net-worth clients, utilizing a combination of long- and short-term trading strategies along with access to private placements and venture capital opportunities. The firm employs an Investment Policy Statement tailored to client objectives and risk tolerance and manages all assets on a discretionary basis.

Wealth management College savings (529s, UTMA, etc.)
user avatar

Jon N

Series 65

Bethpage, NY

Jon A Nixon CPA PC

Jon Nixon is a Series 65 credentialed advisor with over 13 years of industry experience. He is the principal of Jon A Nixon CPA PC, an independent firm specializing in accounting and tax services. Nixon also owns consulting and tax preparation firms serving international organization employees and operates as a financial operations principal for multiple FINRA member firms. Jon A Nixon CPA PC primarily offers accounting and tax services to individuals, high-net-worth clients, trusts, estates, corporations, and small businesses, coordinating tax and accounting matters with clients’ investment arrangements. The firm refers clients to third-party money managers for investment advice and asset management, maintaining a distinctive structure that focuses on its CPA practice rather than direct asset management.

General tax planning General estate planning guidance Founder/Business Owner
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