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Jonathan Alt Email & Phone Number

Location: Greater Philadelphia, United States 4 work roles 1 school
1 work email found @cstonecapital.com 3 phones found area 312 and 310 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email j****@cstonecapital.com
Direct phone (312) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Role
Principal
Location
Greater Philadelphia, United States
Company size

Who is Jonathan Alt? Overview

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Quick answer

Jonathan Alt is listed as Principal at Cornerstone Capital Holdings, a with 5 employees, based in Greater Philadelphia, United States. AeroLeads shows a work email signal at cstonecapital.com, phone signal with area code 312, 310, and a matched LinkedIn profile for Jonathan Alt.

Jonathan Alt previously worked as Vice President at Brown Gibbons Lang & Company and Vice President at Bnp Paribas. Jonathan Alt holds Bachelors, Finance And Business Administration from University Of Illinois.

Company email context

Email format at Cornerstone Capital Holdings

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{first_initial}{last}@cstonecapital.com
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AeroLeads found 1 current-domain work email signal for Jonathan Alt. Compare company email patterns before reaching out.

Profile bio

About Jonathan Alt

Cornerstone Capital Holdings is a private holding company comprised of leading manufacturing businesses acquired over time. We are focused on expansion both organically and via acquisition of additional companies that fit our size and industry criteria.Cornerstone has developed a strong track record acquiring multiple, non-core divisions of both public and private corporations; leveraging this experience, we continue to seek new corporate divestiture opportunities to build our portfolio.Today our businesses serve aerospace, defense and industrial markets from four locations across North America.

Listed skills include Leveraged Finance, Financial Modeling, Acquisitions, Electronics, and 8 others.

Current workplace

Jonathan Alt's current company

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

Cornerstone Capital Holdings
Cornerstone Capital Holdings
Principal
santa monica, california, united states
Employees
5
AeroLeads page
4 roles

Jonathan Alt work experience

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

Principal

Current

Cornerstone is a private holding company with current investments in aerospace, defense and industrial manufacturing. We continue to seek new, middle market manufacturing and industrial service businesses to acquire and add to our portfolio. Cornerstone focuses primarily on purchasing non-core divisions of public and private corporations.

Jun 2000 - Present

Vice President

Chicago, Illinois

Dec 1996 - Apr 1998
Team & coworkers

Colleagues at Cornerstone Capital Holdings

Other employees you can reach at cstonecapital.com. View company contacts for 5 employees →

1 education record

Jonathan Alt education

FAQ

Frequently asked questions about Jonathan Alt

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

What company does Jonathan Alt work for?

Jonathan Alt works for Cornerstone Capital Holdings.

What is Jonathan Alt's role at Cornerstone Capital Holdings?

Jonathan Alt is listed as Principal at Cornerstone Capital Holdings.

What is Jonathan Alt's email address?

AeroLeads has found 1 work email signal at @cstonecapital.com for Jonathan Alt at Cornerstone Capital Holdings.

What is Jonathan Alt's phone number?

AeroLeads has found 3 phone signal(s) with area code 312, 310 for Jonathan Alt at Cornerstone Capital Holdings.

Where is Jonathan Alt based?

Jonathan Alt is based in Greater Philadelphia, United States while working with Cornerstone Capital Holdings.

What companies has Jonathan Alt worked for?

Jonathan Alt has worked for Cornerstone Capital Holdings, Brown Gibbons Lang & Company, Bnp Paribas, and Jpmorgan Chase & Co..

Who are Jonathan Alt's colleagues at Cornerstone Capital Holdings?

Jonathan Alt's colleagues at Cornerstone Capital Holdings include Andrew Bushell, Tim Martin, and Lili Zhou.

How can I contact Jonathan Alt?

You can use AeroLeads to view verified contact signals for Jonathan Alt at Cornerstone Capital Holdings, including work email, phone, and LinkedIn data when available.

What schools did Jonathan Alt attend?

Jonathan Alt holds Bachelors, Finance And Business Administration from University Of Illinois.

What skills is Jonathan Alt known for?

Jonathan Alt is listed with skills including Leveraged Finance, Financial Modeling, Acquisitions, Electronics, Banking, Corporate Development, Manufacturing, and Capital.

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