Obtain peak performance from your workforce
Leadership Development & Professional Certification Solutions
FifthTheory helps organizations to maximize performance through our peak performance solutions.
NeuroTruth™ Investigative Interviewing Certification Course
A practical, neuroscience aligned training program that teaches HR, LP, ER, and compliance professionals how to conduct interviews that are accurate, ethical, and brain compatible. Participants learn how memory actually works under stress, how to reduce cognitive load, how to support neurodivergent interviewees, and how to build rapport that increases truthfulness without coercion. The NeuroTruth™ Investigative Interviewing certification course is expected to launch in September 2026.
Learn More HERE
Campbell Multi-Rater 360 & Organizational Surveys
Drive organic growth and retention by engaging and developing your key performers. Our survey tools and 360 instruments provide key insights to support employee development and leadership effectiveness.
Learn more about the Campbell Multi-Rater 360 HERE
FifthTheory Classic Assessments™
A timeless legacy of scientific precision — rebuilt for the digital era.
Continuing the Legacy: Today, these classic assessments — including the TTS, TMA, CLI-360 Multirater, and CLI-90 Plus — are exclusively published and distributed by FifthTheory®, LLC. Led by John W. Jones, Ph.D., and both the Campbell International Leadership Institute and the AI Personality Research Lab, FifthTheory continues to update and validate these instruments for the AI era, ensuring they remain reliable, ethical, and globally relevant.
Together, they comprise the FifthTheory® Classic Assessments Suite — uniting timeless scientific rigor with 21st-century innovation in the measurement of temperament, ability, and leadership potential.
Learn more about FifthTheory Classic Assessments HERE
Campbell ACTivate Leadership Coaching ™ Certification
Empower Leaders with Psychological Flexibility and ACT-Based Coaching
Become a Certified Campbell ACTivate Leadership Coach™ and master the use of Acceptance and Commitment Therapy (ACT) for developing resilient, adaptable, and emotionally intelligent leaders. This certification aligns with the groundbreaking CLI-90 Plus Assessment, offering a dynamic, AI-enhanced way to assess and develop leadership potential.
Why Choose CALC?
- Backed by Science – Grounded in ACT and the CLI-90 Plus, our model fosters psychological flexibility, resilience, and values-based leadership.
- Multi-Format Learning – Self-paced training, live webinars, expert Q&A sessions, and exclusive e-resources.
- CLI-90 Plus Access – Learn to interpret and coach using this dynamic leadership assessment.
- Credible Certification – Powered by the Campbell International Leadership Institute and FifthTheory, LLC.
- Flexible Coaching Models – Use minimalist or maximalist approaches based on client needs.
Course Includes:
- 📅 Live Quarterly Group Meetings
- 🎓 9 Interactive Online Modules
- 📘 CLI-90 Plus Assessment & Feedback Report
- 📂 E-Journals, Guides & ACTivate Coaching eBooks
- ✅ Certificate of Mastery – Official CALC Coach Status
- 💡 Early Adopter Discount: Only $247.50 (Reg. $495)
- 📌 Preorder Now & Save 50% – Limited Spots Available!
- 🔗 Enroll Now: https://bit.ly/CLI90_Coach
- 📩 Questions? Email: Info@FifthTheory.com
Enroll now for a 50% discount: Only $247.50 (Reg. $495) Limited Spots Available! Questions? Contact us at info@fifththeory.com
Psychology-Informed Loss Prevention Professional (PI-LPP) Course & Certification
Next-Generation Loss Prevention Starts Here
Join the LP revolution with FifthTheory’s PI-LPP Certification. Developed by Dr. John W. Jones, this program integrates psychology into loss prevention, asset protection, and risk management. It’s built for future-ready LP/AP professionals who want to elevate their strategy in a complex, post-pandemic business world.
Why PI-LPP?
- ✅ Science-Based LP Model – Understand human behavior and protect assets using psychology-informed tools.
- ✅ Designed for Real-World Impact – Backed by applied case studies, including work with Southeastern Grocers.
- ✅ Leadership Ready – Equip yourself or your team with the tools to lead LP/AP/RM operations into the AI era.
- ✅ Professional Recognition – Join a growing community of certified PI-LPPs across the country.
Special Offer: 50% Off
Use discount code FT50 and pay half the tuition. Secure your role as a psychology-informed leader in LP. To register, contact: Jack Jones
Test Mastery
Learn more about our New Test Mastery Tools
FifthTheory’s Test Mastery Inclusion™ (TMI) programs are psychology-informed performance development systems designed to help students and professionals strengthen the mindset required to succeed on high-stakes exams.
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Speak with one of our organizational development coaches.
Large organizations have multiple needs when it comes to assessing the potential of their people. Our experts will actively listen, uncover the nuances of your company’s requirements, and tailor a solution for your organization.
Schedule NowAssessments and Professional Services
FifthTheory Leadership Team
John W. Jones
PhD, MBA
Owner & Managing MemberExecutive Vice President
Research &Development
We are a Certified Minority-Owned Business
FifthTheory has been certified as a minority owned business by the Chicago Minority Supplier Development Council, one of the 24 affiliates of the National Minority Supplier Development Council. You can learn more about the National Minority Supplier Development Council and the Chicago Minorty Supplier Development Council here
Read our recent statement on racial justice