White content graphic showing shapes from the bottom right corner

Silverseal Senior Leadership Executive Bios


Executive Bios

Silverseal’s leadership team is comprised of senior law enforcement and military professionals with expertise in security management, complex investigations, security consulting services, executive protection, event security, training program design and management, site and risk assessment, and surveillance.

Contact Us

Professional headshot of John Silverman

John Silverman | Chairman and Founder

John Silverman founded Silverman Associates in New York City in 1988 conducting complex investigations. In 1995, the business expanded to include global security and risk management services as Silverseal. Today, Silverseal stands at the top of the industry with John Silverman’s mandate for trust, professionalism, honesty and transparency to always guide our service principles.

Professional headshot of Patrick Timlin

Patrick Timlin | CEO

Patrick Timlin oversees the management and long term growth of all divisions of Silverseal. Patrick is a member of the New York State Bar and a retired Deputy Commissioner of the NYPD. Drawing from his experiences in corporate security program development, organizational management, complex investigations, business continuity and law enforcement, Patrick specializes in high consequence threat prevention.


Professional headshot of John J. Kelly

John J. Kelly | Director, Investigations

John is a retired NYPD Detective with more than 20 years of law enforcement experience. John’s career included assignments in the Organized Crime Control Division conducting complex narcotics and firearms investigations. He was awarded the “OCCB” Outstanding Achievement Award for his management and successful conclusion of numerous complex investigations. He also served as a member of the Joint Firearms Task Force where he was the recipient of the prestigious Combat Cross – awarded for acts of extraordinary heroism while under fire. He is a graduate of St. Francis College with a BA in Sociology and Criminal Justice and achieved a master’s degree in Protection Management from John Jay College of Criminal Justice.

Howard berry is the chief operation officer

Howard Berry, MSc | General Manager Silverseal UK and SIS

Howard designs, aligns, and oversees Silverseal’s operational delivery of creative solutions to our clients.
Howard is former Warrant Officer Class 1 with the British Army. Since retiring from the Military in 2010 Howard worked for almost a decade in Corporate security extensively in the Middle East. He has a Master’s Degree in Strategic Management and Leadership (2018). He has recently taken Silverseal UK through the SIA’s Approved Contractors Scheme (ACS) and the ISO 9001 Accreditation process.

Get in Touch