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Idaho Society of Professional 
Land Surveyors

Speaker Bios - In Order of Presentation

Trent J. Keenan, PLS, WRS, CFedS

Trent Keenan, PLS, WRS, CFedS. Trent's surveying career started when he was 19 and now spans over twenty-five (28) years, including ten (10) years in the public sector working for a large utility company, and fifteen (18) years in the private sector, with 15 of the 18 years being the President / Founder of Diamondback Land Surveying. He has served through all officers positions of both the Southern Chapter and State Association of NALS (Nevada Association of Land Surveyors), received the Meritorious Service Award for NALS in 2013, and was honored as the NALS Surveyor of the Year (2015) as well as receiving the Von Schimt Award for 2021, Presidential Citation from NSPS for his work on the NSPS Workforce Development Committee in 2023 and received the inaugural Humanitarian of the Year Award for a local charity (Mondays Dark) in 2023 . He is a past-President of NALS (2015), Current, Editor of The Nevada Traverse Publication (NALS), Current Secretary/ Treasurer for the WestFed (The Western Federation of Professional Surveyors ) Board and current Director from NALS, Current Secretary on The Nevada Land Surveyors Education Foundation Board (NLSEF), Current Past-President on the Southern Nevada Chapter of the NALS,  Moderator/ Facilitator/ Founder of Mentoring Mondays & Wisdom Wednesdays for the Land Surveying Profession, Moderator/ Facilitator for Round Table Tuesdays,  and a proud sponsor and brand ambassador for Get Kids Into Survey (GKiS) as well as President for the West Coast Get Kids Into Survey Franchise.  He is currently licensed in 5 Western States (Arizona, California, Nevada, Utah & Washington). He is also a Certified Federal Surveyor and a Nevada Water Rights Surveyor. He has been an active board member in NALS since 2007 and a regular member since 1997.

Mitch Duryea, PLS

Mitch Duryea, PLS earned his Bachelor of Science in Surveying and Photogrammetry from California State University, Fresno and his Master of Science in Higher Education from Kaplan University. Mr. Duryea has been in private practice since 1984 and is the President of Duryea & Associates located in Spokane Washington. In addition to specializing in Boundary Law, Mr. Duryea’s professional experience includes Adjunct Faculty Teaching Positions with: City College of San Francisco, Evergreen Valley College in San Jose, and Gonzaga University of Spokane Washington. Mr. Duryea served five years as an Assistant Professor of Geomatics at Oregon Institute of Technology in Klamath Falls Oregon. Mr. Duryea has been licensed since 1986 and is currently licensed in California, Oregon, Washington, Idaho, Nevada, New Mexico, Oklahoma, and Hawaii.

Robert L. "Bob" Green, PLS

Bob is a multi-generation land surveyor and geomatics professional with over 43 years of boundary, cadastral, Right-of Way, topographic and geodetic experience. He is a former business owner of a Colorado based Land Surveying and Consulting Firm. Mr. Green is a past 2 term member of The Monitor Panel of the Colorado State Board of Licensure for Architects, Professional Engineers, and Professional Land Surveyors. He also just completed his last term as a member of the Survey Engineering Industrial Advisory Committee at New Mexico State University. Bob has been a positioning consultant to numerous government agencies including, the US Air Force Space Command Wing, the US Marine Corps, the Department of Defense, US Border Patrol, Army Corps of Engineers, Homeland Security and NASA at White Sands Test Facility. Bob is employed by Frontier Precision as a Geospatial Analyst and is a well-known public speaker and measurement technology advocate. Mr. Green is currently working on several research and development endeavors to streamline and improve functionality to legacy geospatial and drone-based photogrammetry and lidar workflows. Mr. Green’s article on Satellite Based Augmentation was featured in American Surveyor Magazine and he will include some of this applicable technology in his presentation of survey ground control techniques at the ISPLS 2024 Conference.

Brian Anderson

Brian Anderson – Assurance Risk Managers/NSPS Insurance program

Passionate about working with the land surveying community on their specific insurance needs.  Brian’s primary business focus since 1997 has been working with land surveyors with Lisa Isom, NSPS Program Administrator and owner of ARM. Brian has advised hundreds of surveyors regarding their business insurance from startup to retirement;  Truly partnering with our insured’s is our key to success for over 25 years.

Lisa Isom established Assurance Risk Managers (ARM) in 1998, an insurance agency dedicated to land surveyors; Brian Anderson joined the Agency at ARM’s inception.  ARM is endorsed for their expertise in land surveyors insurance by several state land surveyor associations for 3 decades, as well as nationally by the NSPS since 2007.

Brian graduated from Marshall University with a BA in Science in 1990 and earned his Colorado commercial insurance license in 1991. Brian and his wife Kimberli have two children; his son works as a CAD technician for a land surveying firm in the Denver area and his daughter is a Doctor in Pittsburg, specializing in Neurology at University of Pittsburg Medical Centers (UPMC).

Brian Anderson, Account Executive CA license #0F74160

Assurance Risk Managers, Inc. dba: ARM Multi Insurance Services, Inc.

CA license #0C73841

10651 E. Bethany Drive, Suite 300  I  Aurora, CO 80014

Phone: 303-454-9562 ext. 103

Toll Free: 1-888-454-9562 Fax: 303-454-9564  Celebrating 25 years of service!

Evan Page, PLS & Brian Portwood, PLS

Water Boundaries Description for ISPLS - 2024 .doc

Evan Page began his career surveying in Michigan in 1981 and earned a Bachelor of Science degree in Surveying from Oregon Institute of Technology in 1995. His experience covers a broad spectrum of practice in the public and private sectors. He currently works in private practice covering northern Idaho and northeastern Washington.

Mr. Page has served as a member of the Professional Land Surveyor Exam Development and Grading Teams, and served on several ad hoc advisory teams. He has served as a technical expert for enforcement matters and as an expert witness and or expert consultant in several legal matters relating to boundary surveying.

Mr. Page has been and continues to be active in the Professional Surveyors’ Societies of his state of residence.

Brian Portwood is a professional land surveyor and historian of land rights law. He was born and raised near Chicago Illinois and now resides in Vancouver Washington. Since 2005, he has been employed as a land surveyor by the Bonneville Power Administration and has authored numerous books and articles for land surveyors.

H. James "Jim" Reinbold

H. James Reinbold
Director of Sales for
Rocky Mountains & Northwest

I have a Bachelor of Science degree from Oregon State University with an emphasis in Architecture. I worked for three years with an architect and completed the first year of my masters program in architecture at the University of Colorado at Denver. IN 1989 I started working with a Structure engineering firm. In 1991 we converted from hand drafting to CAD with AutoCAD Release 9. Civil design was added to the services offered by the firm. I accepted the opportunity to learn and experience civil engineering.

In 1995 I became involved with performing training classes and demonstrations for the software our firm used for civil design. In 1999 I started working full-time for Eagle Point Training and supporting their software.

In 2000 I completed my studies and exams for the Microsoft certification program and received a title of Microsoft Certified Systems Engineer. This certification is on Windows NT 4.0.

In July of 2007 I joined the staff at Carlson Software to continue working with surveyors, engineers and construction organizations to provide top quality products and services and further their ability to excel in their chosen area of work.

In 2022 I completed my Part 107 certification for being a sUAS Drone Pilot.

Phone Contact:

208-595-4855 (Office) 303-884-4623 (Mobile)


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Mailing Address:

PO Box 2133
Boise, ID 83701




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