Executive Team

JOHN S. DILEO, JR., President


Mr. John S. DiLeo Jr. worked side by side with his father, Mr. John S. DiLeo Sr., for over 20 years, learning the Hylan Datacom & Electrical business hands-on. In his role as President of Hylan Datacom & Electrical (HDE), he carries on the strong client service orientation and stringent quality standards, which are the family tradition. DiLeo oversees HDE’s day-to-day business operations, directly influencing how company resources are allocated to deliver growth and profitability to the business. Along with the rest of the senior management team, DiLeo reviews daily project reports and production sheets, actively monitoring the progress and status of all jobs. He is actively engaged with customers and employees, and his primary objective is helping ensure quality of work and customer satisfaction.   

Mr. DiLeo graduated from St. John’s University in 1983. Over the course of his career, he has served in executive leadership roles, gaining comprehensive experience overseeing complex operations and guiding strategic direction for multiple well-established organizations. He presently serves as board member for the Staten Island Economic Development Corporation (SIEDC) and the National Utility Contractors Association of New Jersey (NUCA). He is also a member of the Columbus Citizens Foundation in New York City and the New York Electrical Contractors Association. Additionally, DiLeo is a successful restaurateur and avid sports fan, with a life-long allegiance to the New York Jets.





CARMINE MANNA, Chief Operating Officer
Mr. Manna has 35 years of management experience. He has managed internationally known sports and convention facilities, such as Madison Square Garden and the Jacob K. Javits Convention Center in New York City. While at these facilities, he was responsible for directing major construction and renovation projects. He prides himself as being a customer-driven manager who works hard to provide courteous, quality and professional workmanship to all of his clients. Mr. Manna’s customer relation skills are an asset to Hylan Datacom & Electrical and our customers. Mr. Manna is a graduate of St. John’s University.
JOSEPH ROMANO, Vice President of Operations
Mr. Romano has over 25 years in the Electrical Industry. As a member of IBEW Local #3 , he has served as a General Superintendent, Senior Project manager and a Project Executive. He specializes in heavy construction, highway/public works and infrastructure work. Some of his past projects include; Harlem River Lift Bridge, Hudson Yards MOE/Platform Rail Yard and numerous other large scale projects throughout New York City and the 5 Borough’s. He brings an aggressive work ethic to Hylan and strives on a hands on project management system from start to finish. He believes that a team effort helps drive a project to complete success. His field experience as an Journeyman electrician has helped him build the career that helps with every aspect of the industry.



Get In Touch


Holmdel – Executive Office (Headquarters)

101 Crawfords Corner Road

Building 2, Suite 2308,

Holmdel, NJ 07733

Phone: 1-800-55HYLAN

fax: 732-946-6010


King of Prussia

403 Flint Hill Rd

King of Prussia, PA 19406




Staten Island
2878 Gulf Avenue
Staten Island, NY 10303
Phone: 1-718-313-9000

Long Island City
53-01 Vernon Blvd.
Long Island City, NY 11101
Phone: 1-718-599-7455
Fax: 1-718-599-6880

23-09 Queens Plaza North
Long Island City NY




54-65 48th Street
Maspeth, NY 11378
Phone: 1-347-639-1653