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Daniel Seidenstein Email & Phone Number

Managing Director - Head of Relationship Management at MCAP LLC
Location: New York City Metropolitan Area, United States, United States 5 work roles
1 work email found @citigroup.com 2 phones found area 516 and 781 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 2 phones

Work email d****@citigroup.com
Direct phone (516) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Managing Director - Head of Relationship Management
Location
New York City Metropolitan Area, United States, United States
Company size

Who is Daniel Seidenstein? Overview

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Quick answer

Daniel Seidenstein is listed as Managing Director - Head of Relationship Management at MCAP LLC, a company with 20 employees, based in New York City Metropolitan Area, United States, United States. AeroLeads shows a work email signal at citigroup.com, phone signal with area code 516, 781, and a matched LinkedIn profile for Daniel Seidenstein.

Daniel Seidenstein previously worked as Managing Director - Relationship Management at Mcap Llc and Managing Director, Equities at Citi.

Company email context

Email format at MCAP LLC

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{first}.{last}@citigroup.com
86% confidence

AeroLeads found 1 current-domain work email signal for Daniel Seidenstein. Compare company email patterns before reaching out.

Profile bio

About Daniel Seidenstein

I am a Senior Institutional Sales and Trading Professional with significant experience in the capital markets. I have successfully partnered with strategic stakeholders to deliver tangible results, while simultaneously providing bespoke client solutions. I specialize in building relationships, motivating clients and colleagues, and developing/executing strategic business plans. I have developed and managed execution platforms, across multiple teams and various client-categories. I have benefited from extensive experience with the building, and management, of Retail Managed Accounts execution systems and teams. I have managed trading strategies throughout the various fiduciary programs subject to the ERISA standards.

Listed skills include Series 7, Equities, Electronic Trading, Equity Trading, and 26 others.

Current workplace

Daniel Seidenstein's current company

Company context helps verify the profile and gives searchers a useful next step.

MCAP LLC
Mcap Llc
Managing Director - Head of Relationship Management
new york, new york, united states
Website
Employees
20
AeroLeads page
5 roles

Daniel Seidenstein work experience

A career timeline built from the work history available for this profile.

Managing Director - Relationship Management

Current

Greater New York City Area

Apr 2020 - Present

Managing Director, Equities

390 Greenwich Street, New York

Jan 2005 - Jun 2019

Director, Equities

390 Greenwich Street, New York

Mar 1998 - Jan 2005

Vice President, Equity Trading

Salomon Smith Barney

390 Greenwich Street, New York

Oct 1993 - Mar 1998

Equity Trading

200 Vesey Street, New York

Sep 1989 - Oct 1993
Team & coworkers

Colleagues at MCAP LLC

Other employees you can reach at mcapmarkets.com. View company contacts for 20 employees →

FAQ

Frequently asked questions about Daniel Seidenstein

Quick answers generated from the profile data available on this page.

What company does Daniel Seidenstein work for?

Daniel Seidenstein works for MCAP LLC.

What is Daniel Seidenstein's role at MCAP LLC?

Daniel Seidenstein is listed as Managing Director - Head of Relationship Management at MCAP LLC.

What is Daniel Seidenstein's email address?

AeroLeads has found 1 work email signal at @citigroup.com for Daniel Seidenstein at MCAP LLC.

What is Daniel Seidenstein's phone number?

AeroLeads has found 2 phone signal(s) with area code 516, 781 for Daniel Seidenstein at MCAP LLC.

Where is Daniel Seidenstein based?

Daniel Seidenstein is based in New York City Metropolitan Area, United States, United States while working with MCAP LLC.

What companies has Daniel Seidenstein worked for?

Daniel Seidenstein has worked for Mcap Llc, Citi, Citigroup, Salomon Smith Barney, and Lehman Brothers.

Who are Daniel Seidenstein's colleagues at MCAP LLC?

Daniel Seidenstein's colleagues at MCAP LLC include Anthony (Tony) Zmuda, Cmt, Mba, Jack Bouchard, Edward Barry, William Smith, and Michael Franzese.

How can I contact Daniel Seidenstein?

You can use AeroLeads to view verified contact signals for Daniel Seidenstein at MCAP LLC, including work email, phone, and LinkedIn data when available.

What skills is Daniel Seidenstein known for?

Daniel Seidenstein is listed with skills including Series 7, Equities, Electronic Trading, Equity Trading, Series 63, Series 24, Trading Systems, and Trading.

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