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Lauren Knollmeyer

General Manager

Lauren is  agraduate of Northeastern University, where she earned a Degree in Environmental Studies, Political Science and Business Administration. She is a great addition to the firm and she is excited to be part of the Project Management Team!


Office: 978.203.0584 x217 


Carol mahan

Sr. Vice President of Business Operations and Finance

Carol joined the KBC Team in August of 2016. She brings with her over 35 years experience in construction accounting. As Corporate Controller, Carol manages all segments of finacial operations, including managing the staff responsible for generating payroll, payables and receivables. 


Office: 978.203.0584 x 203


Shawn D. Vetere

Vice President of Marketing and Business Development

Shawn possesses over 20 years of sales and marketing experience. He specializes in the development of new clients and opportunities for Greylock Roofing. Currently, Shawn is the President of the New England Chapter of RCI and is a active member of CSI, BOMA, CAI and is a Friend of IREM.


Office: 978.203.0584 x 212



Kevin Malloy

General Superintendent

Kevin has been in the roofing industry for over 30 years. A graduate of Boston University, he has experience providing roofing services for both the private and public sectors.


Office: 978.203.0584 x 207


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Andrea Mclauchlan

Adminstrative Assistant

Andrea has been with the Greylock family since 2014. She possesses over 10 years office experience. Andrea's primary duties are assisting with scheduling and billing for the repairs and emergency divisions of Greylock Roofing Company.


Office: 978.203.0584 


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Marcello Rosales

Roofing Estimator

Marcello joined Greylock Roofing Company, Inc. in 2015 and has been promoted up through the ranks during his tenure with the firm. A customer friendly, with a strong work ethnic, Marcello is doing a great job in the estimating department.


Office: 978.203.0584 x 209

Sue Sullivan

Executive Assistant-Office Mgr

Sue has been with Greylock Roofing for 10 years. She specializes in office management and assists ownership and staff with daily administrative duties. Additionally, Sue oversees receiving and dispatch of all company supplies and inventory.



Office: 978.203.0584 x 200



Michael DeMarchi
Project Manager/Field Supervisor



Michael has been working in the roofing industry for over 15 years. He has been a key member of the Greylock Roofing staff for the past two years.

Office: 978.203.0584 x 214

In Memory of
Paul Quinlan
Former Warehouse Manager

Paul "Quinnie" was employed by the Greylock Roofing Company ownership for over 28 years. He was the Warehouse Manager from 2014 until his passing on April 6, 2021. He had previously held a supervisor role for group since 2001. He will be missed by all who knew him.



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