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David Stemkowski Email & Phone Number

Senior Vice President at Marathon Asset Management
Location: New York, United States 4 work roles
1 work email found @onex.com 2 phones found area 646 and 914 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 2 phones

Work email d****@onex.com
Direct phone (646) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Marathon Asset Management
Role
Senior Vice President
Location
New York, United States
Company size
193 employees

Who is David Stemkowski? Overview

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Quick answer

David Stemkowski is listed as Senior Vice President at Marathon Asset Management, a with 193 employees, based in New York, United States. AeroLeads shows a work email signal at onex.com, phone signal with area code 646, 914, and a matched LinkedIn profile for David Stemkowski.

David Stemkowski previously worked as Compliance Officer at Onex Credit Partners and Compliance Associate at Mkp Capital Management.

Company email context

Email format at Marathon Asset Management

This section adds company-level context without repeating David Stemkowski's masked contact details.

{first_initial}{last}@onex.com
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AeroLeads found 1 current-domain work email signal for David Stemkowski. Compare company email patterns before reaching out.

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Profile bio

About David Stemkowski

David Stemkowski is a Senior Vice President at Marathon Asset Management. He possess expertise in compliance, credit.

Listed skills include Compliance and Credit.

Current workplace

David Stemkowski's current company

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

Marathon Asset Management
Marathon Asset Management
Senior Vice President
new york, new york, united states
Website
marathonfund.com
Employees
193
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Company profile
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4 roles

David Stemkowski work experience

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

Compliance Officer

Onex Credit Partners

Greater New York City Area

Mar 2013 - Dec 2023

Compliance Associate

Hedgeop Compliance, Llc
Mar 2007 - Apr 2010
Team & coworkers

Colleagues at Marathon Asset Management

Other employees you can reach at marathonfund.com. View company contacts for 193 employees →

AM Ashleigh Mcewan Ashleigh Mcewan Colleague at Marathon Asset ManagementUnited Kingdom View → DS David Siegel David Siegel Colleague at Marathon Asset ManagementNew York, United States View → HC Hernán Ch Hernán Ch Colleague at Marathon Asset ManagementManta Metropolitan Area, Ecuador View → LS Leon Sodeyfi, Cfa Leon Sodeyfi, Cfa Colleague at Marathon Asset ManagementUnited Kingdom View → MB Mario Blanes Montes, Caia Mario Blanes Montes, Caia Colleague at Marathon Asset ManagementLondon, England, United Kingdom View → JD Jezel Delarosa Jezel Delarosa Colleague at Marathon Asset ManagementBronx, New York, United States View → PC Peter Chin Peter Chin Colleague at Marathon Asset ManagementNew York, United States View → DR Dick Roos Dick Roos Colleague at Marathon Asset ManagementCanada View → AV Atul Verma Atul Verma Colleague at Marathon Asset ManagementNew York City Metropolitan Area, United States View → SE Steven Eichenstein Steven Eichenstein Colleague at Marathon Asset ManagementBrooklyn, New York, United States View →
FAQ

Frequently asked questions about David Stemkowski

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

What company does David Stemkowski work for?

David Stemkowski works for Marathon Asset Management.

What is David Stemkowski's role at Marathon Asset Management?

David Stemkowski is listed as Senior Vice President at Marathon Asset Management.

What is David Stemkowski's email address?

AeroLeads has found 1 work email signal at @onex.com for David Stemkowski at Marathon Asset Management.

What is David Stemkowski's phone number?

AeroLeads has found 2 phone signal(s) with area code 646, 914 for David Stemkowski at Marathon Asset Management.

Where is David Stemkowski based?

David Stemkowski is based in New York, United States while working with Marathon Asset Management.

What companies has David Stemkowski worked for?

David Stemkowski has worked for Marathon Asset Management, Onex Credit Partners, Mkp Capital Management, and Hedgeop Compliance, Llc.

Who are David Stemkowski's colleagues at Marathon Asset Management?

David Stemkowski's colleagues at Marathon Asset Management include Ashleigh Mcewan, David Siegel, Hernán Ch, Leon Sodeyfi, Cfa, and Mario Blanes Montes, Caia.

How can I contact David Stemkowski?

You can use AeroLeads to view verified contact signals for David Stemkowski at Marathon Asset Management, including work email, phone, and LinkedIn data when available.

What skills is David Stemkowski known for?

David Stemkowski is listed with skills including Compliance and Credit.

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