Robert P. Lerette

Rob began his career as an Engineering Technician at Sitelines in 1994. For decades, he has assisted our Civil Engineers and Land Surveyors with thousands of projects. This historical knowledge along with his expertise in AutoCAD, Carlson Design Software and other software is essential in all aspects of Design Services including Conceptual Site Design, Site Grading and Drainage, On-site Traffic Circulation Planning, Construction Monitoring, Alta Plan Drafting as well as Building Plan Drafting.

Cynthia A. McDermott

Cynthia is the Administrative Manager for Sitelines.  Cynthia has over 30 years of experience specializing in Project Administration,  Accounting and Front Office Management for Civil Engineering and Land Surveying firms.  She joined Sitelines in 2007.



Curtis J. Haslip, P.L.S

Curtis is a Professional Land Surveyor with over 8 years of experience. His interest in land surveying began while serving in the Marine Corps in the Artillery Surveying & Meteorology field. Curtis holds an Associate Degree in Architecture and Civil Engineering Technology. He became a licensed Professional Land Survey in 2019. His services include boundary and topographic surveys, construction layout, ALTA/ACSM Title Surveys, flood hazard determinations and mortgage loan inspections.

Joseph J. Marden, P.E. – Engineering Manager

Joe is a Registered Professional Engineer with over 10 years of experience in civil engineering design and permitting serving as a Project Engineer and Project Manager.  These services include, grading, utility and drainage design, lighting design, state, local and environmental permitting, cost estimating, construction drawings and specifications and construction observation.  In his role as Engineering Manager,  Joe utilizes his vast knowledge and expertise to lead the team in all aspects of civil engineering.  He joined Sitelines in 2011.