Which security programs are taking the lead? These 500 enterprises have been ranked through metrics to determine the forerunners in 17 sectors.

Read about the 2017 Security 500 thought leaders.

Dave Aflalo has protected Presidents of the United States, nuclear power plants and CEOs. Over a 35-year career, his work has spanned the industry spectrum and has included senior leadership roles ensuring security and safety in both the public and private sectors.

“Retail is never boring, and that’s a good thing,” says Michael Case, Director of Loss Prevention for Art Van Furniture Inc., an American furniture retail store chain.

Joshua Dean, Director of Security for San Antonio Water System (SAWS), is in charge of keeping assets safe and secure, so that the 1.8 million people in the region don’t have an interruption to their water and sewer services.

Gannon, who is the 77th Sheriff of Morris County, New Jersey, has always had roles where he could offer his services and guidance to people. He was elected in 2016, after a decorated, 33-year career in law enforcement and private sector security.

Rosalind Harris, Manager of Facilities and Security at County of Ventura, faces the challenge of keeping employees and property safe while maintaining an open and inviting atmosphere.

Johnson, who joined the university located in Minnesota in 2014 after a career in healthcare security, is focused on his mission to ensure every student knows and is comfortable with the Public Safety department, so if there’s ever an issue, they know what to do.

Born and raised in Silicon Valley, Maloof has always had a fascination with technology, so landing a job at Oracle Corporation and quickly working his way up to Vice President of Global Security there has been a great fit. “Information technology is where it’s at, and I want to be where it’s at. IT is truly a global sector, and our customers and employees are everywhere,” he says.

Counterfeit products make up five to seven percent of world trade, and have cost an estimated 2.5 million jobs worldwide, with 750,000 jobs lost in the U.S. alone. It’s an issue that Brad Minnis, Senior Director, Corporate Safety and Security for Juniper Networks, spends much time and effort to mitigate.