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h has 30+ years of experience in the surveying profession. The first 25 years were in the private sector focused primarily on residential and commercial development. Through working in four states, holding current licenses in Colorado and North Carolina, and employing as many as 33 people, he has acquired a wide array of knowledge, skills, and experience. During Ralph’s seven years in the public sector working for the City and County of Denver, he has drawn on that private sector experience to help streamline the review process by developing and implementing policies and procedures that aid the City reviewers and developers alike. Ian Cortez, PLS & RWA, Central Chapter Director – Ian grew up in northeast Colorado and went to college at the University of Southern Colorado (USC), now known as CSU – Pueblo. He obtained his Bachelor of Science degree in Civil Engineering Technology, with an emphasis in Land Surveying. During his time at USC, he enrolled in three summer internships with the Bureau of Land Management. After obtaining his degree, he has obtained his professional license in three states: Colorado, California, and New Mexico. Most of his professional career has been in Southern Colorado as a project surveyor and a director of surveying services. In 2013, he and his family moved to the Denver metro area and has become the Right-of-Way Supervisor for the Adams County Public Works Department. His land surveying background serves as the backbone in career today and welcomes any questions from his professional colleagues about record data at the County.
Todd Johnston, PLS, - Director - 2020-2024Todd has lived in southwest Colorado his entire life and is a second-generation surveyor. He graduated from Fort Lewis College with a BA in Engineering Management and a minor in GIS. Mr. Johnston was licensed as a Professional Land Surveyor in 2004. He has been a member of PLSC since 2010 and active in the Southwest Chapter. Todd has worked in the Colorado Department of Transportation’s Region 5 Survey Unit since 1998.
Heather Lassner, PLS, - Director - 2022-2026
Dennis Mouland, PLS, - Director - 2022-2026
Steven Parker has been surveying, mapping and doing GIS for over 27 years. He is currently licensed in Colorado and Kansas, he is a Certified Floodplain Manager and a Certified Federal Surveyor through the BLM. He works as a Senior Surveyor at NV5 in Colorado Springs, an engineering consulting firm that values and demonstrates business growth, innovation, and an entrepreneurial spirit. He is a volunteer trainer at Engineering Ministries International and has traveled to Africa on two design survey project trips. He enjoys getting together with the surveyors of the Southern Colorado Professional Land Surveyors chapter of the PLSC. And, in his free time Steve likes to ride his motorcycle, target shoot, big game hunt and participate in Army Airborne reenactments.
Thomas W. Sylvester, Professional Engineer, Professional Land Surveyor (Principal of Merritt LS, L.L.C.) graduated with an Engineer of Mines degree, Colorado School of Mines 1969. He has over 45 years of experience in construction, mining, engineering, and surveying. His construction experience includes Naval Mobile Construction Battalions in Antarctica and Italy and more recently supervising engineering designs and construction surveying and providing construction project on site engineering management for Merritt LS, L.L.C. projects. His mining experience includes precious metal, coal and industrial minerals engineering, surveying, and management mostly in the western United States, and surveying includes property surveys, subdivision surveys, mining claim surveys, underground and surface mining surveys, construction surveys, slope stability monitoring surveys and managing various surveying projects for Merritt LS, L. L. C. He is licensed as a Colorado Professional Engineer in 1976 (P. E. 14249) and as a Colorado Professional Land Surveyor in 2006 (P. L. S. 38005). He is an instructor for Fundamentals of Surveying at Delta-Montrose Technical College and Western Colorado Community College. And a member of NSPS and the Past President of Western Colorado Land Surveyors Chapter of PLSC.Todd graduated from Purdue University with a B.S. degree in Land Surveying Engineering. He has been in Colorado in the surveying industry since 1994. Todd currently serves as the Geomatics-Survey Project Manager at Merrick & Co. He is an active member of the CCPS chapter of the PLSC and has served as CCPS President (2009), Vice President (2008) and Director (2002-2004) as well as CSRN Treasurer (2009-2012). Over the past 3 years Todd has been the chairperson of the annual Rocky Mountain Survey Summit conference providing education opportunities to Colorado surveyors. Todd is a licensed surveyor in Colorado, New Mexico, North Dakota, South Dakota, Oklahoma, Idaho and Louisiana.