John G Quinn President AKA Sean

Sean Quinn oversees the design engineering and planning of all new projects, He is in constant contact with the entire team from project development thru execution. Sean’s expertise in the industry is highly sough after leading Diversified to partner with some of New York’s top architects, designers and developers. Sean’s ability to attract and retain highly skilled and qualified staff is a testament to his passion for the company he has created. While demanding the highest standards from all employees, Sean offers help and advise to everyone from estimators to new staff starting in the workshop. With a desire to foster careers in the industry, Sean has implemented a philosophy in Diversified that has benefited both staff and clients alike.

Sean is a native of Ireland. Being from a family with generations of experience in engineering and metal fabrication, Sean was destined to make a career in the architectural metal business. Indeed in Ireland today the Quinn name in synonymous with high quality agricultural equipment.

Established in 1989, Sean has grown Diversified from a three person company to its current size with over 70 staff members.

Sean’s philanthropic endeavors are well known in Rockland County and throughout the greater New York area. Being a member of organizations such as The Lourdes Kids of Rockland, Friendly Sons of St. Patrick, Sean has donated countless hours and resources to helping those in need. He has also spent countless hours on the ice coaching youth hockey teams.

On weekends Sean can be found on his farm in Ulster County NY engaging in the other passion in his life.

Declan Gallagher

Director of Operations
Declan@diversified-glass.com

John O’Dwyer

Director of Sales & Estimation

Mary Henehan

Controller

Carol Brennan

Accounts Manager

Joseph Pocograno

Senior Estimator

Chris Vogt

Director of Project Development

Alfonso Reyes

Draftsman

Mark Whelan

Brian Quinn

Assistant Project Manager
Alan Quinn

Alan Quinn

Ann Marie Nelley

Front Desk Receptionist
AnnMarie@diversified-glass.com

Earl Gallagher

Project Manager

Charles Linder

Project Manager

Marie Quigley

Assistant Project Manager