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Privacy Policy

Privacy Policy

Last updated: Jul 06, 2026 2:49 PM

We value your privacy very highly. Please read this Privacy Policy carefully before using the https://aestusllc.com/ website (the “Website”) operated by Aestus LLC, a(n) Limited Liability Company formed in Colorado, United States (“us, we, our”) as this Privacy Policy contains important information regarding your privacy and how we may use the information we collect about you.

Your access to or use of the Website is conditional upon your acceptance of and compliance with this Privacy Policy. This Privacy Policy applies to everyone, including but not limited to visitors, users and others, who wish to access or use the Website.

By accessing or using the Website, you agree to be bound by this Privacy Policy. If you disagree with any part of this Privacy Policy, you do not have our permission to access or use the Website.

What information we collect and store

We collect and store any and all information that you enter on this Website. We collect and store the following information about you:

Identifying information - Name

Specific piece of information

Name

How we use this information

  • Analytics

Identifying information - Phone number

Specific piece of information

Phone number

How we use this information

  • Analytics
  • Detecting security incidents
  • Marketing and advertising
  • Verifying customer information

Identifying information - IP address

Specific piece of information

IP address

How we use this information

  • Analytics
  • Detecting security incidents
  • Marketing and advertising
  • Verifying customer information

Identifying information - Email address

Specific piece of information

Email address

How we use this information

  • Analytics
  • Detecting security incidents
  • Marketing and advertising
  • Verifying customer information

Identifying information - Device identifier

Specific piece of information

Device identifier

How we use this information

  • Analytics

Identifying information - Online identifier

Specific piece of information

Online identifier

How we use this information

  • Analytics

Internet or other electronic activity - Information regarding your interaction with our website or application

Specific piece of information

Information regarding your interaction with our website or application

How we use this information

  • Analytics

Internet or other electronic activity - Information regarding your interaction with embedded videos

Specific piece of information

Information regarding your interaction with embedded videos

How we use this information

  • Analytics
  • Providing videos and tracking user interactions with such videos

With whom we share your personal information

We share the following personal information with the following categories of third parties:

Identifying information - Email address

Specific piece of personal information shared

Email address

Categories of third parties with whom personal information is/was shared

  • Email marketing vendors

Identifying information - Device identifier

Specific piece of personal information shared

Device identifier

Categories of third parties with whom personal information is/was shared

  • Data analytics providers

Identifying information - Online identifier

Specific piece of personal information shared

Online identifier

Categories of third parties with whom personal information is/was shared

  • Data analytics providers
  • Hosting providers
  • Website or application development and design vendors

Internet or other electronic activity - Information regarding your interaction with our website or application

Specific piece of personal information shared

Information regarding your interaction with our website or application

Categories of third parties with whom personal information is/was shared

  • Content management systems
  • Data analytics providers
  • Hosting providers
  • Website or application development and design vendors

Internet or other electronic activity - Information regarding your interaction with embedded videos

Specific piece of personal information shared

Information regarding your interaction with embedded videos

Categories of third parties with whom personal information is/was shared

  • Content management systems
  • Hosting providers
  • Video embedding vendors
  • Website or application development and design vendors

Sale of your information

We do not sell your personal information.

Please see the “Your Rights” section below for more information about exercising your privacy rights regarding sales of your personal information.

Cookies

A cookie is a small piece of data sent from a website and stored on your device by your browser. This Website sets cookies. Please visit our Cookie Policy to learn more about what cookies we set, why we set them, and how to change your cookie settings.

Children's privacy

This Website is intended for use by a general audience and does not offer services to children. Should a child whom we know to be under 18 send personal information to us, we will use that information only to respond to that child to inform them that they cannot use this Website.

Analytics programs

This Website uses Google Analytics to collect information about you and your behaviors. If you would like to opt-out of Google Analytics, please visit https://tools.google.com/dlpage/gaoptout/. You can also opt out of cookies by using our cookie consent banner.

The rights of Nevada residents

Residents of Nevada have the following rights with regard to their personal information:

The right to opt out of sales of your personal information.

Applies To

Residents of Nevada

Exercising your rights

You may exercise the rights specified above by submitting a consumer request to:

Stuart McDonald
CEO
info@aestusllc.om
970-278-4090
1635 Foxtrail Dr. #359, Loveland, CO 80538
USA
aestusllc.com

We will need to verify your identity prior to effectuating your request and may ask you to provide personal information to do so.

Third-party websites

This Website may contain hyperlinks to websites operated by parties other than us. We provide such hyperlinks for your reference only. We do not control such websites and are not responsible for their contents or the privacy or other practices of such websites. It is up to you to read and fully understand their Privacy Policies. Our inclusion of hyperlinks to such websites does not imply any endorsement of the material on such websites or any association with their operators.

Do Not Track

Do Not Track (“DNT”) is a preference you can set on your browser to inform websites that you do not want to be tracked. We do not support DNT. You can either enable or disable Do Not Track by visiting the Preferences or Settings page of your browser.

Questions

If you have any questions about this Privacy Policy, please contact us at info@aestusllc.com.

Changes to Privacy Policy

We reserve the right to amend this Privacy Policy at any time. We will notify you of any changes to this Privacy Policy by posting the updated Privacy Policy to this website.

Copyright © 2026 - All Rights Reserved
Madison Culver
Madison Culver, M.Sc.
Staff Geologist / Field Technician
Since joining Aestus in 2024, Madison has performed various project tasks including field data acquisition, data integration and analysis, 2D and 3D visualization, and project report development.

As an undergraduate at Oklahoma State University, Madison utilized electrical resistivity imaging to locate a drilling target for a municipal water well in rural Oklahoma. Her Master’s degree, also from Oklahoma State University, focused on the production and laboratory testing of a novel groundwater tracing particle for use in a sole source aquifer.

Madison previously worked at an environmental consulting firm in Dallas, Texas, where she performed soil/groundwater investigations/reporting, PFAS sampling programs, and Environmental Site Assessments.

Madison is based out of Irving, Texas.
Michelle Lahti
Michelle Lahti, PACE
Administrative Director
Since joining Aestus in 2021, Michelle has supported the CEO and other managers in their day-to-day needs. She also manages human resources and all elements of the many conferences Aestus attends. Michelle works hard to ensure that the needs of stakeholders are addressed in all steps of the business process when working with our clients.
Michelle has a bachelor’s degree in Avionics Engineering Technology from Embry-Riddle Aeronautical University. She also has experience as a small business owner, and over 15 years’ experience as an executive assistant in many different industries. She has her Professional Administrative Certification of Excellence (PACE) through the American Society of Administrative Professionals (ASAP).
Michelle is based out of Wellington, Colorado.
Autumn Town
Autumn M. Town, M.Sc.
Staff Geologist / Field Technician
Autumn performs various project tasks for Aestus, including field data acquisition, data integration and analysis, 2D and 3D visualization, and project report development. Since joining Aestus in 2023, she has helped meet project objectives such as mapping stratigraphy, identifying areas of contamination, and characterizing preferential flow pathways at complex sites across the United States.
As an undergraduate at Oklahoma State University, Autumn utilized electrical resistivity imaging (ERI) to evaluate the hydrogeologic effects of PFAS-containing firefighting foams. While completing her Master’s degree, also at Oklahoma State University, she focused primarily on sedimentology and stratigraphy as she studied the effects of depositional and diagenetic processes on porosity development in a tight gas sandstone reservoir.

Autumn is based out of Tulsa, Oklahoma.
Morgan Love
Morgan Love, M.Sc.
Senior Project Geologist
Morgan has been a part of the Aestus team since 2012. She supports all aspects of data integration for Aestus in 2D and 3D space, including modeling of geophysical, geochemical, and geologic data. She also performs geophysical data processing and develops quality control and automation protocols to ensure data integrity.

Prior to Aestus, Morgan used her environmental geology undergraduate degree working for a water resource company, a geosciences software company, and a seismic data acquisition company. She holds a Master's Degree in Computer Information Systems.

Morgan is based out of Fort Collins, Colorado.
Grant Eastman
Grant Eastman
Equipment Manager / Field Technician
Grant maintains all our equipment and vehicles at a firehouse ready status in order for the field team to be ready to mobilize at moment’s notice. He also troubleshoots any technical issues that come up as well as being a member of the field team.

Grant graduated from Colorado State University with a degree in Watershed Science. After graduating he completed 8 years of military service with the Colorado Army National Guard, including two deployments to the middle east. Before joining Aestus, he was a senior technician building custom automation equipment and wire harness mockups for aerospace companies.

Grant is based out of Milliken, Colorado.
Samantha Frandsen
Samantha Frandsen, M.Sc, P.Gp.
Hydrogeophysicist / Project Manager
Since joining Aestus in 2018, Samantha has performed all aspects of the Aestus project lifecycle, including acquisition field work, processing of geophysical data, data integration, 3D visualization, and reporting. As project manager, she oversees a variety of projects completed at complex sites across the United States and strives to help our clients efficiently leverage Aestus’ high-resolution GeoTrax Survey™ data to improve understanding of subsurface conditions.

Prior to her time with Aestus, she earned her Bachelor’s degree (magna cum laude) in Physics from the University of Richmond and taught high school physics as a Teach for America corps member. She then completed her Master’s degree (Distinction) in Exploration Geophysics at the University of Leeds in the UK. For her thesis, she utilized several different geophysical techniques to characterize the subsurface remains of a former gasworks facility for which she was awarded the GETECH award for best overall performance in the Independent Project and the Association for Industrial Archaeology’s Dissertation Award.

When she’s not investigating what’s below the ground, Samantha enjoys exploring all the above-ground fun her Stateline (South Lake Tahoe), NV home has to offer via trail running, mountain biking, and snowboarding.

Samantha is based out of Stateline, Nevada.
Michael McNair
Michael McNair
Project Geologist / Field Team Leader
Michael has worked on a variety of project types using Aestus’ electrical hydrogeology techniques to help Aestus’ clients succeed relative to characterization of contaminated sites, evaluating geohazards, municipal water well exploration, and monitoring subsurface changes over time. Michael currently manages Aestus’ field operations to collect high quality subsurface electrical imagery (GeoTrax Survey™) at rural, urban, and industrial sites with complex logistics. When not in the field, Michael is a key member of Aestus’ reporting team and leads or assists with 2D/3D data integration, QC, data interpretation, and reporting.

Michael previously worked at an environmental consulting firm in Dallas, Texas, where he performed soil/groundwater investigations in the field and subsequently developed reports. Michael earned a Bachelor of Science in Geology from Baylor University.

Michael is based out of Orlando, Florida.
Todd Halihan
Todd Halihan, Ph.D., P.Gp.
CTO/Data Interpretation Lead
Todd’s focus at Aestus centers on subsurface characterization using electrical hydrogeology and sustainable water supply. He is also a professor and the Sun Company Clyde Wheeler Chair in Hydrogeology at Oklahoma State University. He was the National Ground Water Association’s 2018 McEllhiney Lecturer and he is a founding member of the NGWAU program for groundwater outreach and education.

Dr. Halihan is the recipient of the American Institute of Hydrology’s C.V. Theis Award winner. He is also a professional geophysicist (CA), professional driller (OK) and a PADI divemaster.

Todd is based out of Stillwater, Oklahoma.
Stuart McDonald
Stuart W. McDonald, P.E.
CEO/Project Executive/Contracting
Stuart has dedicated over 20 years of his career overseeing the development of Aestus with the goal of empowering clients worldwide to gain more certainty in subsurface issues to make better technical decisions and save time and money on their projects. He has been involved in managing hundreds of projects for Aestus in the USA, Europe, Asia, and South America.

Stuart spent the first decade of his career as an environmental consultant primarily with Canonie Environmental and Harding Lawson Associates and gained experience performing cradle to grave site characterization and remediation work on high profile Superfund and other projects. This experience was the genesis of founding Aestus in 2001 as it became clear that the environmental industry needed more data density and more certainty for optimal decision-making on projects.

Stuart is based out of Loveland, Colorado.