Meet Our Team
-Michael Timpano - Field Technician / Project Technician in Training
Mike joined the Gilbert VanGuilder Land Surveyor, PLLC team in 2016 as a Field Crew Member, bringing with him a strong educational foundation and valuable experience. He earned two A.A.S. degrees from Hudson Valley Community College - one in Business Administration (2006) and another in Civil Engineering (2013).
Mike has hands-on experience in:
* Topographic surveying
* High-definition scanning
* Fathometer technology (depth measurement)
He is also certified in several key areas, including:
* ACI Concrete Field Testing Technician - Grade I
* NETTCP Soil/Aggregate Field Inspector
* Confined Space Entry Certification
In addition to his field expertise, Mike has begun training to become a Project Manager, where he is learning skills in Computer-Aided Drafting (CAD), project research, and boundary analysis.
Mike's diverse background and dedication to professional growth make him a highly valued member of our team.
Duane Rabideau, P.L.S.
After approximately 37 years with Gilbert VanGuilder Land Surveyor, PLLC, Duane retired in May, 2022.
-Patrick Jarosz - Project Consultant
Pat brings over 35 years of experience in land use, permitting, and code enforcement to Gilbert VanGuilder Land Surveyor, PLLC. He holds an Associates Degree in Science - Individual Studies from Hudson Valley Community College and is a New York State Certified Code Enforcement Official.
Having served in various roles throughout his career - including as a Code Enforcement Officer for the Town of Clifton Park - Pat offers a wealth of firsthand knowledge in municipal processes and regulatory compliance. His deep understanding of zoning codes, building regulations, and permitting requirements makes him a trusted resource for both clients and colleagues.
In addition to his extensive experience, Pat has received specialized training in several key areas that give him an edge in project planning and navigating approvals with local planning and zoning boards.
Pat's insight and guidance are instrumental in helping clients move their projects forward with confidence and clarity.
-Liam Hanehan - Field Technician
Liam joined Gilbert VanGuilder Land Surveyor, PLLC in 2023 as a Field Crew Member, bringing nearly a decade of management and construction experience to the team. He holds an Associate Degree in Agricultural Business from SUNY Cobleskill and is currently working toward a Bachelor of Science in Surveying and Engineering Technology.
In addition to his professional background, Liam is a part owner/operator of a dairy farm, where he developed a strong foundation in hard work, time management, and teamwork - qualities that directly translate to his role in the field.
Liam's strong work ethic, practical experience, and commitment to learning make him a valued and promising member of our growing team.
-Carter Doesburg - Field Technician
Carter joined Gilbert VanGuilder Land Surveyor, PLLC in 2023 while still a student at Burnt Hills-Ballston Lake Central School. A driven and focused young professional, Carter graduated in 2024 and has already shown a strong commitment to learning and growing within the field.
Since joining the team, Carter has quickly become a valued contributor- bringing enthusiasm, reliability, and a willingness to take on new challenges.
We're proud to support Carter as he begins his professional journey and look forward to being part of his continued development in the land surveying industry.
-Karl Miller - Field Technician
Karl joined Gilbert VanGuilder Land Surveyor, PLLC in 2024 as a Field Crew Member, bringing with him a strong educational background and hands-on field experience. He attended Paul Smith's College, where he earned a Bachelor of Science in Forestry, an Associate of Applied Science in Surveying, and an Associate of Applied Science in Forest Technology.
In addition to his academic accomplishments, Karl brings a solid work ethic shaped by his experience as a former business owner. He has practical expertise in:
* Operating robotic total stations
* GPS equipment and data collection
* GIS software
* Boundary surveys and topographic mapping
Karl's combination of technical skills, field knowledge, and strong sense of responsibility make him a valuable asset to our team.
Gilbert VanGuilder
Gilbert established Gilbert VanGuilder Land Surveyor, PLLC in 1985. After years of hard work, dedication and providing quality professional services, Gilbert was able to retire in 2021 with approximately 50 years of service in his field.
-Mackenzie Weed - Office Manager
Mackenzie joined Gilbert VanGuilder Land Surveyor, PLLC in 2014, bringing with her a strong background in business operations and client services. She studied Social Science at Suny Cobleskill and previously worked as a New York State Licensed Insurance Broker. In that role, she handled both sales and customer service, as well as critical administrative duties such as recordkeeping.
Mackenzie also gained extensive team management experience through her work at WWARC, where she was responsible for overseeing both staff and clients in a residential setting. This experience helped her to develop strong leadership, organizational, and problem-solving skills.
At Gilbert VanGuilder Land Surveyor, PLLC, Mackenzie is responsible for:
* Accounts payable and receivable
* Payroll administration
* Health insurance and retirement benefits
* Business recordkeeping and general office management
* Providing outstanding customer service to clients and staff
Her professionalism, attention to detail, and dedication make her an essential part of the firm's day-to-day success.
-Callon O'Connell - Field Technician
Callon joined Gilbert VanGuilder Land Surveyor, PLLC in 2026 as a Field Crew Member. Cal graduated from Ithica College with a Bachelor of Arts in Environmental Studies. Prior to joining our team, he owned and operated a successful landscaping business, where he designed, installed, and maintained gardens and plant landscapes.
Through this experience, he developed a keen eye for site conditions, regularly conducting detailed assessments of soil composition, slope, drainage patterns, and sun exposure.
Cal's hands-on background has provided him extensive knowledge of vegetation and natural landscapes, which translates seamlessly into his work in surveying. Known for his stong work ethic, Cal is experienced in working outdoors in all weather conditions while consistently delivering high-quality results.
Cal's skills and qualities make him an excellent addition to our team as he continues to grow and develop his expertise while pursuing licensure as a land surveyor.
-Kevin H. Weed, P.L.S. - Licensed Land Surveyor, Environmental Scientist, Member of the PLLC
Kevin joined Gilbert VanGuilder Land Surveyor, PLLC in 2007 after graduating from Paul Smith's College with a Bachelor's degree in Environmental Science. That same year, he became a member of the New York State Association of Professional Land Surveyors (NYSAPLS) in association with the Eastern New York Society of Land Surveyors (ENYSPLS).
Starting as a GPS Technician, AutoCAD Drafter, Wetland Technician, and Environmental Technician, Kevin brought a diverse skill set and a strong environmental background to the firm. In 2017, he earned his Professional Land Surveying License and became a member of the PLLC.
Kevin has expertise in a wide range of technical areas, including;
* Wetland delineation and permitting
* Wetland mitigation design
* Enforcement action compliance
* NYSDEC and US Army Corps of Engineers (ACOE) permitting
* Trimble GPS data collection and post-processing
* AutoCAD drafting and geospatial data conversions
* Boundary Surveys
* Representation on client's behalf in front of Planning and Zoning Boards
* Expert witness testimony - Surveying
Kevin has conduced presentations on NYS DEC wetland regulations before the Capital District Regional Planning Commission, Capital Region Builders and Remodelers Association, several real estate companies and local municipalities.
He has also presented arguments pertaining to the NYS DEC wetland regulations before the NYS Supreme Court.
Known for his attention to detail and dedication to quality, Kevin takes great pride in delivering accurate and reliable results on every project.
-Michael Leggett - Project Manager
Mike began his career with Gilbert VanGuilder Land Surveyor, PLLC in 2005 as a Rodman, quickly proving himself to be a dedicated and skilled professional in the field. With hands-on experience using robotic total stations and various GPS systems, Mike advanced to the role of Field Technician / Crew Chief, where he not only delivered high-quality fieldwork but also played a key role in training new field crew members.
Mike is known for his strong work ethic, attention to detail, and ability to complete projects efficiently and effectively.
After several successful years in the field, Mike transitioned into the office, further expanding his expertise in;
* Computer-Aided Drafting (CAD)
* Project research
* Boundary analysis
Now serving as a Project Manager, Mike's combination of field and office experience makes him a critical part of our team. His comprehensive understanding of the fill scope of projects helps ensure that we consistently deliver accurate, professional, and timely results for our clients.
-Robert Wilklow, P.L.S. - Licensed Land Surveyor, Member of the PLLC
Bob has been a dedicated part of Gilbert VanGuilder Land Surveyor, PLLC for decades, bringing extensive field and office experience to every project. He earned his A.A.S. degree in Construction Technology from Hudson Valley Community College in 1987 and has been a member of the New York State Association of Professional Land Surveyors (NYSAPLS) and Eastern New York Society of Land Surveyors (ENYSPLS) since 1994.
Bob began his career with our firm in 1987 as a Rodman and steadily advanced through the ranks. After briefly stepping away in 2005 to broaden his professional experience, he rejoined the team in 2006 and has continued to grow with us ever since. In 2009, Bob achieved a significant career milestone by earning his Professional Land Surveying License, and in 2015, he became a member of the PLLC.
Bob is a hardworking and highly valued member of our team. His expertise spans a variety of areas, including;
* Construction layout and computations
* Boundary surveys ( field work and office analysis)
* Legal description preparation for real estate deeds
* Zoning and Planning Board application support
Bob's dedication, attention to detail, and deep knowledge of land surveying make him an integral part of our continued success.
Happily Enjoying Retirement