Principals

EXTRAORDINARY BUSINESS INSIGHT

Sentinel receives guidance from its renowned Independent Principals, each of whom brings insight, experience, and business savvy to the organization.

Jerry Reinsdorf

Principal

Jerry Reinsdorf is one of the most well-known and respected businesspersons in Chicagoland. He is a practicing attorney and CPA who specializes in real estate securities and is a partner in Bojer Financial Ltd., a real estate investment company. 

Among his many accomplishments, Mr. Reinsdorf has brought world championships to Chicago as the owner of two iconic sports teams: the Chicago White Sox the Chicago Bulls. In addition, he is one of the principal owners of the United Center (UC), home of the Chicago Bulls and Chicago Blackhawks. The UC hosts professional sports, concerts, and many other entertainment events. The venue is scheduled to host the 2024 Democratic National Convention.

Mr. Reinsdorf serves on the Executive Council of Major League Baseball, as well as numerous corporate boards, and is a Life Trustee of Northwestern University. Mr. Reinsdorf is widely known for his charity, philanthropic, and community service work, which has earned him recognition from organizations such as Keshet, Cystic Fibrosis Foundation, Chicago Park District, PUSH, the Trial Lawyers of Chicago, and many others.

Sentinel Security is honored to have Mr. Reinsdorf serving as one of our independent principals. His business expertise and pursuit of excellence in all of his endeavors support the principles and values of Sentinel and its management team.

He received an honorary degree in humane letters from Illinois College. He was awarded the Ellis Island Medal of Honor in 1993, the 1997 Mayor’s Medal of Honor, and an Order of Lincoln Award.

John Kelly

Principal

John Kelly brings years of business, executive, and leadership experience to the Sentinel Security team. Mr. Kelly is a founding partner of All Circo, one of the most respected and effective public affairs consulting firms in the Midwest. His company has provided management and consulting services to Fortune 100 corporations, sports franchises, local governments, and scores of businesses and not-for-profit companies throughout the country.

Mr. Kelly gives back to the community in many ways and serves on the boards of the 100 Club, Mount Carmel High School, and Lakeside Bank. Mr. Kelly’s business experience, practical management, and consulting services are invaluable in supporting the Sentinel Security management team.

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