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Ken Jezioro,  President

Ken is the founder and owner of SHIELD Security Systems. His extensive security industry experience includes 30 years as a police officer and current FBI certification in hostage negotiation. As the mastermind behind SHIELD’s custom security solutions, he truly lives and breathes security! He holds expert knowledge in security system operational technology and is an industry thought-leader and speaker. A life-long resident of Buffalo, Ken and his wife Mary are parents to five children.  When Ken isn’t working, you can catch him on the golf course or supporting the team at one of his son’s soccer games.

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Mary Jezioro, VP Marketing

Mary leads the marketing and sales initiatives at SHIELD, focusing on company growth and creative strategies that create positive customer experiences. She is a certified DISC analyst and has a background in media sales. Mary is also a frequent contributor to SHIELD’s Simply Secure Blog and social media pages. In the community, Mary is involved with the UB School of Management as CELAA’s Vice Chair, WPO (Women President’s Organization) and serves as a Clarence Youth Soccer coach.  She and her husband, Ken, are proud parents of five children.

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Joe Bellanti, Service Manager

Joe leads the Service department at SHIELD Security Systems. As a 25-year industry veteran, Joe’s unmatched skills and extensive knowledge of system design and installation have earned him the reputation of “master problem solver” at SHIELD. Aside from his technical and security expertise, Joe spends time bowling, playing softball and coaching. He and his wife are parents to three daughters and are also enjoying their newer role as grandparents

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Katie Wittmann, Regional Director

Katie serves as the “Chief-in-Charge” of our corporate office in Buffalo.  She oversees client management and tactical activities of our retail and franchise operations. Katie is the “voice” of SHIELD when customers call and she is committed to complete customer satisfaction. Katie has 25 years of experience in the insurance industry and is also a former business owner. She and her family currently reside in the Clarence area, outside of Buffalo. Katie enjoys spending time outdoors, golfing and running. She is also an active member of the community.
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Tony Mendola, Technician

Tony Mendola is an experienced technician at SHIELD Security Systems and is one of our “go-to” members of the service team. He is an invaluable problem solver with a tenacious and diligent work ethic - a key asset for our technical department.  A Buffalo resident, Tony is a doting pet parent to his two dogs, Buda and Wuda.
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Chris Yaeger, Client Support

Chris Yaeger is the official Accounts Payable representative at SHIELD Security Systems.  He oversees the majority of the billing process for our locations in Buffalo, New York, and all over the U.S. Chris also serves as a Customer Service representative and assists with a variety of initiatives at our corporate headquarters. In his free time, Chris enjoys skiing in the cold months and playing lacrosse in the warmer months.
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Emily O’Gorman, Marketing Assistant

The newest member of the SHIELD family, Emily is an integral part of our marketing team. She is a recent graduate of the State University of New York at Cortland, with a degree in Business Economics. Emily brings a fresh perspective to SHIELD’s retail and franchise divisions, including social media expertise and a focus on marketing communications.  She also assists with writing and updating SHIELD’s Simply Secure Blog. In her free time, she enjoys looking after her three dogs Eleanor, Miley, and Pickle.

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