About Us

Security Experts Building the Social Threat Alert Industry

Safety and Security is Our Passion

Every aspect of the Social Sentinel® service has been built by safety and security experts. We are trusted advisors who have been in the field, and we want to continue to be there with you, bringing new strategies to help you expand how you approach your community's long-term safety and security initiatives — with social in mind!

 

Executive Team

Social Sentinel Gary Margolis

Dr. Gary J. Margolis

Founder and CEO

Dr. Gary J. Margolis has more than 20 years of distinguished experience in law enforcement and public safety, and...

Social Sentinel David Stetson

David Stetson

President and COO

David Stetson is a proven leader with significant experience helping rapidly growing technology companies scale ...

Social Sentinel Brendan Cotter

Brendan M. Cotter

Chief Revenue Officer

Having served as a senior executive in several successful startups, as Chief Revenue Officer, Brendan provides...

Social Sentinel Natasha Conahan

Natasha Conahan

Chief Strategy Officer

Natasha Conahan brings 17 years of entrepreneurial experience in SaaS based businesses. With strengths in product...

Social Sentinel Andrew Reischer

Andrew Reischer

Chief Technology Officer

Mr. Reischer has three decades of experience as a technology innovator.

Social Sentinel Lisa Rosenthal

Lisa Rosenthal

Acting Chief Financial Officer

Lisa has acted as CFO and Controller for a diverse set of startups and small businesses...

Social Sentinel Liz Kleinberg

Liz Kleinberg

General Counsel

Liz Kleinberg brings a broad range of legal experience, with more than fifteen years...

 

Board of Directors

Social Sentinel Gary Margolis

Dr. Gary J. Margolis

President and CEO
Social Sentinel, Inc.

Co-Founder
Margolis Healy & Associates, LLC

Dr. Gary J. Margolis has more than 20 years of distinguished experience in law enforcement and public safety, and...

Social Sentinel Steven Healy

Steven J. Healy

Managing Partner
Margolis Healy & Associates, LLC

Steven J. Healy is a managing partner with Margolis Healy & Associates, LLC and was the Director of Public...

Social Sentinel Robin Richards

Robin D. Richards

Chairman of the Board
Social Sentinel, Inc.

Chairman and CEO
CareerArc Group LLC

Mr. Richards is a proven successful entrepreneur and visionary strategist and a co-founder of CareerArc Group - the social...


Our Culture

Bright. Involved. Supportive. This is how our clients and partners describe the people who work at Social Sentinel.

There are billions of posts made on social media and blogs daily and it is not easy to do what we do. It takes a unique mind to turn the dials to make sure that threats don't go unnoticed, clients are well-served, and relationships with social media sources are nurtured.

We are a team that strives to help. Want to join us?