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Nathan Rosenberg Email & Phone Number

Founding Partner at Insigniam at Insigniam
Location: Laguna Beach, California, United States 7 work roles 4 schools
1 work email found @insigniam.com 11 phones found area 949, 610, and 714 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 11 phones

Work email n****@insigniam.com
Direct phone (949) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Founding Partner at Insigniam
Location
Laguna Beach, California, United States

Who is Nathan Rosenberg? Overview

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Quick answer

Nathan Rosenberg is listed as Founding Partner at Insigniam at Insigniam, based in Laguna Beach, California, United States. AeroLeads shows a work email signal at insigniam.com, phone signal with area code 949, 610, 714, and a matched LinkedIn profile for Nathan Rosenberg.

Nathan Rosenberg previously worked as Founding Partner at Insigniam and Member Board of Directors at Solairus Aviation. Nathan Rosenberg holds Bachelor Of Science, Management from United States Air Force Academy.

Company email context

Email format at Insigniam

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{first_initial}{last}@insigniam.com
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AeroLeads found 1 current-domain work email signal for Nathan Rosenberg. Compare company email patterns before reaching out.

Profile bio

About Nathan Rosenberg

Have consulted with over 10% of the world’s thousand largest companies and more than 80,000 people.Have run 5 companies.Organizational transformationCultural transformationLeadership developmentExecutive team performanceBreakthrough projectsStrategy innovationEnterprise innovationCreativity

Listed skills include Strategy, Leadership Development, Leadership, Organizational Development, and 46 others.

Current workplace

Nathan Rosenberg's current company

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

Insigniam
Insigniam
Founding Partner at Insigniam
AeroLeads page
7 roles · 45 years

Nathan Rosenberg work experience

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

Founding Partner

Current

Narberth, PA, US

In the face of complex problems and rapid change, business as usual is not enough. To succeed, leaders must breathe life into big ideas and bold commitments.Over thirty years ago, Insigniam pioneered the field of organizational transformation and is a trusted partner to senior executives of the world's best-run companies for whom speed to transformation.

2005 - Present ~21 yrs 5 mos

President & Chief Executive Officer

US

Founded and led The Rosenberg Group in the United States, Hong Kong and France. Consulted with 12% of the world's thousand largest companies. Practice focused on the human factor in business: organizational transformation, breakthroughs, and executive coaching.

1992 - 2005 ~13 yrs

Chairman, President & Ceo

Submersible Systems, Inc.

Manufacturer of Spare Air

1990 - 1992 ~2 yrs

Managing Partner

Rosenberg Solomon

Co-founded and co-managed the firm with Tom Solomon. Invested in small companies and worked with the management to increase the value of the companies. Joined a consortium of consulting firms that worked with my oldest brother, Werner Erhard, to develop the disciplines of organizational and cultural transformation and executive coaching.

1985 - 1992 ~7 yrs

Managing Partner

The Shider Group

Started the investment firm's office in Orange County, California. Acquired commercial property for our own account. Managed increasing the value of the properties through changing the use or upgrading the properties' tenancies.

1981 - 1985 ~4 yrs

National Security Advisor To The Majority Leader

United States Senate

Worked for the Majority Leader of the United States, Robert C. Byrd, as his national security advisor. Wrote position papers, guided legislation, coordinated with the Armed Services Committee and Select Intelligence Committee and the office of the Speaker.

1981 - 1981
4 education records

Nathan Rosenberg education

Bachelor Of Science, Management

United States Air Force Academy

Legislative Affairs

The George Washington University

Leading Professional Services Firms

Harvard Business School Executive Education

The Neuroscience Of Business: Innovations In Leadership And Strategic Decisions

Wharton Executive Education
FAQ

Frequently asked questions about Nathan Rosenberg

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

What company does Nathan Rosenberg work for?

Nathan Rosenberg works for Insigniam.

What is Nathan Rosenberg's role at Insigniam?

Nathan Rosenberg is listed as Founding Partner at Insigniam at Insigniam.

What is Nathan Rosenberg's email address?

AeroLeads has found 1 work email signal at @insigniam.com for Nathan Rosenberg at Insigniam.

What is Nathan Rosenberg's phone number?

AeroLeads has found 11 phone signal(s) with area code 949, 610, 714 for Nathan Rosenberg at Insigniam.

Where is Nathan Rosenberg based?

Nathan Rosenberg is based in Laguna Beach, California, United States while working with Insigniam.

What companies has Nathan Rosenberg worked for?

Nathan Rosenberg has worked for Insigniam, Solairus Aviation, The Rosenberg Group, Submersible Systems, Inc., and Rosenberg Solomon.

How can I contact Nathan Rosenberg?

You can use AeroLeads to view verified contact signals for Nathan Rosenberg at Insigniam, including work email, phone, and LinkedIn data when available.

What schools did Nathan Rosenberg attend?

Nathan Rosenberg holds Bachelor Of Science, Management from United States Air Force Academy.

What skills is Nathan Rosenberg known for?

Nathan Rosenberg is listed with skills including Strategy, Leadership Development, Leadership, Organizational Development, Management, Executive Coaching, Strategic Planning, and Team Building.

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