Our Team

Joe Agreste, Jr.

Owner / President

Joe Agreste Jr. is the Owner and President of Security Technology Group. Born and raised in Chesapeake, Virginia, Joe has always had a strong connection to his community.

Joe Agreste, Sr.

Owner / Chairman

Joe Agreste Sr. is our Owner / Chairman who was born and raised in Norfolk, Virginia. He started in the local security industry in 1978 and in that time became the General Manager of multiple local security companies.

Tim Agreste

Owner/Vice President

Tim Agreste is our Owner/ Vice President who was born and raised in Chesapeake, Virginia. He previously worked as a pipefitter at the Newport News Shipyard and he has particular expertise in access control and different types of cameras.

JT Holt

Chief Operating Officer

With over 17 years of expertise in business management and a focus on upper-level creative leadership, JT Holt is a distinguished professional committed to excellence in organizational growth and development.

Donna Reed

VP of Operations

Donna Reed is our vice president of operations. She worked as Comptroller for Select Automotive for 22 years and she moved up the corporate ladder very quickly.

Bill Conner

Chief Business Development Officer

With over 30 years of experience in the electronic security industry, William Conner brings a proven record of transforming organizations, driving growth, and building high-performing teams to his role as Chief Business Development Officer at Security Technology Group (STG).

Mandi Wolkowich

Director of Security

Mandi Wolkowich is the Director of Security at Security Technology Group, where she leads service operations and technician development.

Matt Sawyer

Director of Technical Operations

With over a decade of experience in the security industry, Matt Sawyer brings both knowledge and leadership to his role as Director of Technical Operations at STG.

Will Russell

Director of Project Development

Will Russell is a distinguished professional with extensive expertise in general management and sales.

Isabel Hayden

Social Media Marketing Specialist

As Security Technology Group’s Social Media Marketing Specialist, Isabel Hayden brings creativity, strategy, and a passion for digital engagement to the team. With experience in retail and social media management,