Our United States Leadership Team

GardaWorld Security is guided by an ambitious group of visionaries who are driven by entrepreneurial mindsets and who hold themselves to the highest ethical standards. Their experience and enthusiasm inspire loyalty in our security guards and clients alike.

Prentice Robertson

President and Chief Operating Officer

Security Services

Rene Crosswhite

Senior Vice President

Finance & Administration

Mark Porterfield

Chief Security Officer & SVP

Operations

Paul Lutz

Senior Vice President

General Counsel

Ally Happel

Senior Vice President

Sales

Avé Seltsam, CPP

Vice President

Sales

James Schwartz

Vice President

Sales

Grant Thompson

Vice President

Human Resources

Katie Morton

Vice President

Talent Acquisition

Guy Stiebing

Vice President

Strategic Partnership Development

Joe Smith

Vice President

Customer Support Services

Greg Wilson

Vice President

Strategic Account Sales

Matt Wilson

Vice President

Strategy & Chief of Staff Accounting

Our commitment to service

“Our people are what make us different—people who stand out for their consistency, commitment, and character.”

Prentice Robertson

President & COO - GardaWorld Security US

How we operate

A proven, repeatable method for success

We keep it simple–practice disciplined cost control, strategically evaluate our opportunities for expansion, and consistently deliver exceptional client service.

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Our United States Leadership Team

Prentice Robertson

President and Chief Operating Officer

Security Services

Rene Crosswhite

Mark Porterfield

Paul Lutz

Ally Happel

Avé Seltsam, CPP

James Schwartz

Grant Thompson

Katie Morton

Guy Stiebing

Joe Smith

Greg Wilson

Matt Wilson

“Our people are what make us different—people who stand out for their consistency, commitment, and character.”

Prentice Robertson

A proven, repeatable method for success

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