Management
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Edgar T. Bristow, PLS
President
- Over 35 years of professional experience in Surveying and Mapping
- Supervises personnel, prepare estimates/project scope documents, boundary analysis, proof and review survey work, ensure effective communication with client and timely completion of projects
- Experience in public and private sector projects, construction layout, subdivision infrastructure, office and field, rural and urban
- Professor for online Boundary Law courses at Metropolitan State College of Denver
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John B Guyton, PLS
Chairman & C.E.O.
- Over 41 years of professional experience in Surveying and Mapping President of the PLSC
- Advisor to the Colorado Attorney General's Office regarding questions on standards for registered surveyors and boundary survey law
- Expert witness in court cases involving boundary and title disputes
- Board Member and Speaker, GIS in the Rockies
- Contributor to the state licensing examination process for Land Surveyor licensure
- CO Representative & Board Member, Western Federation of Professional Surveyors
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Zack Gowan, PLS
Vice President
- Over 23 years of professional experience in Surveying and Mapping
- Licensed since 1993 in Colorado with more than 20 years at Flatirons
- Also licensed in Utah, Idaho, Washington and North Dakota
- Surveyed in Colorado, Wyoming, Illinois, Iowa, Nevada, Nebraska and Utah
- Additional experience in title search and oil and gas in Colorado, Wyoming, Nebraska, Montana, North Dakota, Utah, Iowa and New Mexico
- OSHA 40 Hr. Hazwoper certified
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Terry Sanders
Corporate Secretary & Chief Financial Officer
- He has been employed at Flatirons, Inc since 1986, beginning a surveyor in the field
- Received diploma in Surveying & Mapping from the Denver Insitute of Technology, 1985
- Also experienced as an AutoCAD technician
- Performing bookkeeping and accounting functions at Flatirons, Inc. since 1992
- Contributor to "HP41-C/CV/CX Training Course Manual for Surveyors and Engineers" by Michael J. Scanlon, LSS Publishing Company (1985)
- Multiple "Awards of Distinguished Service" from the Professional Land Surveyors of Colorado
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William Werner
Senior Project & System Administrator
- Over 26 years of professional experience in Surveying and Mapping
- Manager of the Drafting Department and Systems Administrator at Flatirons, Inc
- Bill has over 10 years experience in international mapping for geophysics
- He has been part of the Flatirons team for over 16 years, working in both in field and office operations
- He oversees all scheduling and quality control, and performs all document checking
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Tom Willis
Vice President of Field Operations
- Over 22 years of professional experience in Surveying and Mapping
- Employed at Flatirons, Inc since 2000
- Supervisor of field and office personnel
- Prepares project estimates and project scope documents
- Bachelor of Science at Clemson University, 1981
- Licensed Professional Surveyor in several states
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Sterling Bennink
ILC Department Manager
- Over 22 years of professional experience in Surveying and Mapping
- Department manager and co-owner of Flatirons, Inc.
- Graduate of the Ohio University with a bachelor's in Computer Cartographics
- Specializing in ILC house stakings, residential surveying, and elevation certificate
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Ken Clifford, PE
Principal Engineer/Manager
- Employed at Flatirons, Inc for over 9 years
- Licensed as a Professional Engineer in Colorado, Wyoming and Oklahoma
- Extensive roadway design engineering, site design, drainage analysis & urban planning
- Invited to the Civil, Architectural and Environmental Engineering Honors Society
- Experience with residential, commercial, and industrial projects
- Design projects include grading, drainage analysis, urban planning, utility infrastructure, storm water management, and erosion and sediment control
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Nate Vielehr, LSI
Survey Manager
- Over 12 years of professional experience in Surveying and Mapping
- Skilled in EDM total stations, data collection systems, digital level, CAD and GPS equipment
- Supervises field and office personnel
- Performs boundary analysis, review of survey work, construction project management
- Strong technical competencies in AutoCAD, Softdesk, Land Development Desktop and TGO
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Kurt Ernstberger, PLS
Manager of Construction, PCS, GIS
- Over 12 years of professional experience in Surveying and Mapping
- Ground based LIDAR and 3D modeling
- Extensive CAD office and field experience in all types of projects including topography, volume, roadway and construction
- Experienced in GPS surveys, RTK, DGPS and static
- Chair and member, Colorado Section of ACSM
- Treasurer, Central Colorado Professional Surveyors