KLI Voice Terms & Conditions
Last updated: September 2026
Welcome to KLI Voice, the professional voice and educational work of Katherine (Kat) Isaacson, M.S., CCC-SLP (“KLI Voice,” “the website,” “the site,” or “the organization”)
These Terms & Conditions apply to your use of this website and to purchases of books, curriculum, courses, downloadable materials, recordings, presentations, and other products or services offered through KLI Voice.
By using this website or purchasing a product, you agree to these Terms & Conditions.
1. Educational Information
KLI Voice provides information and educational materials about voice, voice training, communication, and related topics.
Unless specifically identified as an individualized clinical service, the information and materials provided through this website are for educational and informational purposes only.
Educational materials are not a substitute for individualized medical, speech-language pathology, or other professional healthcare services. Nothing on this website is intended to diagnose, treat, or prevent a medical condition.
Voice training is an individual process. What is appropriate or effective for one person may not be appropriate for another. If you have concerns about your voice, vocal health, pain, or other symptoms, you should consult an appropriately qualified healthcare professional.
Purchasing or using KLI Voice educational materials does not create a clinician-patient relationship between you and Katherine Isaacson.
2. Products and Services
KLI Voice may offer books, curriculum, courses, downloadable materials, videos, recordings, presentations, online content, consultations, and other educational or professional services.
The specific description provided for each product or service at the time of purchase will explain what is included, how it is delivered, and any additional terms that apply.
KLI Voice reserves the right to update, modify, or discontinue products or content. When updates are included as part of a particular purchase, those terms will be stated in the product description.
3. Intellectual Property
The content and materials created by KLI Voice—including curriculum, books, exercises, frameworks, written materials, videos, recordings, presentations, graphics, website content, and other original works—are the intellectual property of KLI Voice and/or Katherine Isaacson and are protected by applicable intellectual-property laws.
Your purchase gives you a limited, personal, non-transferable license to use the purchased materials for your own educational purposes.
Unless you receive written permission from KLI Voice, you may not:
Copy, reproduce, or redistribute purchased materials
Upload materials to another website, platform, or file-sharing service
Sell, sublicense, or commercially distribute the materials
Share purchased materials with people who have not purchased them
Repackage or modify the materials and present them as your own
Create a competing commercial product or curriculum based substantially on the materials
Teach or present the materials as your own original work
You may take notes, practice the concepts, and incorporate what you learn into your own personal or professional development.
4. Professional and Educational Use
Some KLI Voice materials are intended for speech-language pathologists, voice professionals, educators, or other professionals.
Purchasing educational materials does not grant permission to reproduce the KLI Voice curriculum or methodology as a commercial training program, certification, course, or curriculum.
If you are interested in teaching, licensing, adapting, publishing, or otherwise using KLI Voice materials commercially or as part of a professional program, please contact KLI Voice to discuss appropriate permissions.
5. Payments
Payment is required at the time of purchase unless otherwise stated.
Prices are displayed at the time of purchase and may change in the future. Price changes will not affect purchases that have already been completed.
Payments may be processed through third-party payment providers. KLI Voice does not receive or store your full payment-card information.
6. Refunds and Cancellations
Refund and cancellation terms may vary depending on the product or service.
For digital products and downloadable materials, sales are generally final once the product has been accessed or downloaded, unless otherwise stated or required by applicable law.
For courses, memberships, consultations, or other services that include a specific refund or cancellation period, the applicable terms will be provided at the time of purchase.
If you experience a problem accessing a product you purchased or believe you were charged in error, please contact KLI Voice. The organization will make a reasonable effort to resolve the issue.
Nothing in these Terms limits any refund, cancellation, or other consumer rights that cannot legally be waived.
7. No Guarantee of Results
Voice change is an individual process, and KLI Voice does not guarantee a particular outcome.
Results may vary depending on many factors, including individual anatomy and physiology, health, prior experience, practice, goals, and circumstances.
KLI Voice provides information, tools, and frameworks intended to support learning and exploration. No particular vocal quality, pitch, range, comfort level, or other outcome is guaranteed.
8. Your Responsibility
You are responsible for deciding whether and how to apply information provided through KLI Voice materials.
You should pay attention to your own physical experience while practicing voice techniques. If an activity causes pain, significant discomfort, or other concerning symptoms, stop the activity and seek appropriate professional guidance.
9. Website Use
You agree to use this website and its content lawfully and respectfully.
You may not use the website or its content to infringe upon the rights of KLI Voice or others, interfere with the operation of the website, or access or distribute content in a manner that violates these Terms.
KLI Voice reserves the right to restrict access to products or services when there is reasonable evidence of unauthorized sharing, misuse, or other material violation of these Terms.
10. Third-Party Services and Links
This website may contain links to third-party websites, platforms, products, or services.
KLI Voice does not control and is not responsible for the content, availability, privacy practices, security, or policies of third-party services.
Your use of third-party services is governed by the terms and policies of those providers.
11. Limitation of Liability
To the fullest extent permitted by applicable law, KLI Voice and Katherine Isaacson will not be liable for indirect, incidental, consequential, or special damages arising from your use of, or inability to use, this website or its educational materials.
This includes damages arising from reliance on information provided through the website or from applying exercises, techniques, or information contained in KLI Voice materials.
Nothing in these Terms is intended to exclude or limit liability that cannot legally be excluded or limited.
12. Changes to These Terms
KLI Voice may update these Terms & Conditions from time to time.
When changes are made, the “Last updated” date at the top of this page will be revised. Your continued use of the website after updated Terms are posted constitutes acceptance of the revised Terms to the extent permitted by law.
13. Governing Law
These Terms are governed by the laws of the State of New Mexico, without regard to its conflict-of-law principles.
Any dispute arising from these Terms or your use of KLI Voice products or services will be handled in accordance with applicable New Mexico law.
14. Contact
Questions about these Terms, purchases, or KLI Voice materials may be directed to KLI Voice through the contact information provided on this website.