MEET THE TEAM

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JAMES J. GUINAN III

Chairman & Founder

Founder and Chairman of Northern Waterproofing & Restoration Co. Inc., Mr. Guinan recently retired following over 40 years in the construction/waterproofing trade. James has extensive experience in bricklaying, waterproofing, masonry restoration, concrete rehabilitation and historic restoration to include a few. A highly respected businessman and well-rounded member of the construction community, Mr. Guinan now lends his construction proficiency and knowledge to the next generation of master masons and skilled craftsmen.

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JAMES J. GUINAN IV

President

With more than 20 years with the firm, Mr. Guinan has extensive experience in waterproofing, masonry restoration, concrete rehabilitation and parking garage restoration. James is a former mechanic/ foreman with over 10 years of estimating experience. James began his journey with Northern as a laborer, and now serves as President/COO of the company.  James is fully involved in all aspects of the business, and currently oversees the day-to-day operations. James currently holds several certifications, such as: OSHA Scaffold Industries of America, Safeway Scaffolding, Sikalastic RoofPro, Confined Space, and First Aid/Life Support.  James has served on several industry board positions throughout the years and maintains diligent and active involvement within several other industry trades associations and community organizations.

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DAVID GUINAN

Vice-President & CFO

Mr. Guinan earned a degree from Villanova University in Communication Studies, Marketing & Finance with a minor in Psychology. David has been with the firm for over two decades and is accountable for the administrative, financial, and risk management operations of the company, which includes the development of a financial and operational strategy, metrics, and the ongoing development and monitoring of control systems designed to preserve company assets and report accurate financial results. David also guides and manages the overall provision of Human Resources services, policies, and programs for the entire organization.

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JOSHUA STEWARD

Vice President - Field Operations

Mr. Steward contributes his extensive knowledge in building construction, specializing in sealants, coatings, bricklaying, waterproofing, masonry restoration, concrete rehabilitation. Josh has been responsible for not only quality work and productivity, but also performing on site safety meetings to ensure the safety of all of our employees. Josh continues to increase his knowledge by attending industry related courses and hands-on training seminars. Josh is a certified mold technician and certified in Sikalastic RoofPro.

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ANDREW CARLIN

Senior Project Manager

Project Management

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JEFF KING

Business Development & Marketing Manager

With over 10 years of sales and marketing experience in Real Estate Finance, Mr. King brings his knowledge and expertise to better enhance Northern’s stellar project execution and marketplace presence our clients have come to know and expect.  Jeff is well known for his genuine ability to develop and cultivate professional relationships with colleagues and clients alike.  While he presents himself as the consummate business professional, Jeff has also moonlighted as a laborer and has crewed several of Northern’s past projects making him a unique asset to the company.  Jeff is highly active in various industry trade groups and associations throughout the Greater Delaware Valley.

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DREW HILL

Maintenance Supervisor & Lead
Technician

A career tradesman and craftsman, Mr. Hill provides his extensive construction knowledge to the team and is proficient in nearly all aspects of carpentry and mechanics.  His daily responsibilities include, but are not limited to, servicing and maintaining a wide variety of equipment, procurement and distribution of materials, and management of job-site logistics just to name a few.

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DANIEL CASTE

Foreman

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MARK JOHNSON SR.

Foreman

Since 2000, Morgan James has helped shape the success of our business. Regardless of what is asked of them, they are always there to help keep the company on track.

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MIGUEL MARTINEZ-FLORES

Foreman

This team member is a favorite amongst our clients. They always bring their positive energy and creative ideas with them to work. We couldn’t be happier with our one-of-a-kind Office Manager.

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ABEL MARTINEZ-FLORES

Foreman

Jamie Lane is an invaluable contributor to the growth of our business. They specialize in projects of all sizes, and have a knack for always getting the job done right. We couldn't ask for a better Administrative Assistant.

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