Obtain peak performance from your workforce

LEADERSHIP DEVELOPMENT AND PROFESSIONAL CERTIFICATION SOLUTIONS

FifthTheory helps organizations to maximize performance through our peak performance solutions.

DOWNLOAD OUR LATEST CATALOG HERE


Campbell Multi-Rater 360

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

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 Corporate Sponsorship Program is a groundbreaking program to help high-stakes test-taking employees become aware of and develop the mindset required to master high stakes exams they may encounter during their lifelong career education journey.

Download Brochure


Free Consultation

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 Now


Assessments and Professional Services

Organizational & Leadership Assessments

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.

Legal & Professional Services

FifthTheory's team helps build legally defensible assessment programs for clients, including:

  • Assessments designed to comply with legal and professional requirements, guidelines and a wide range of testing standards
  • Ongoing research of assessments and continuous verification of job-relevancy, validity and non-discriminatory impact
Education & Career Development

FifthTheory offers the Test Mastery Advantage™ Coaching Certification Program to teachers, school counselors, TestPrep coaches, and tutors. This certification program teaches these professionals how to assess and develop the 16 essential competencies that are required by their students to master educational admissions, professional licensure, and specialty certification exams.

FifthTheory’s suite of educational and career assessments are also used to identify individual and group occupational strengths and growth opportunities. For example, FifthTheory’s suite of career assessments includes a measure of the 16 Work Styles from the U.S. Department of Labor’s O*Net system, off-the-shelf and tailored selection measures that also help to identify the initial training needs of new employees, and fully tailored measures that assess highly specialized knowledge, skills, and abilities for development and certification contexts.

FifthTheory Leadership Team

John W. Jones
PhD, MBA
Owner & Managing Member
Executive 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

Contact Us

708.967.3977

Whether you understand your workforce assessment needs or require help to determine your strategy, FifthTheory can assist. Contact us to request information about our solutions, white papers or to discuss your specific needs.

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