Research Advisory Board
The TTISI Scientific Advisory Board (SAB) provides strategic guidance and direction for our research and scientific programs. It plays a key role in guiding and prioritizing TTISI’s global research investment and serves as the executive committee of the TTISI Internal Review Board. The SAB includes chief scientific advisors and is comprised of leaders within the TTISI assessment industry, practitioner and advocate who have made significant contributions to advancing the field and furthering TTISI’s mission.

Ronald Bonnstetter, PhD.
Advisory Board Chair
University of Nebraska-Lincoln Emeritus Professor
TTI Senior VP of Research and Development
Director of the TTI Center for Applied Cognitive Research
Winner of the 2019 Joe Kamiya First-Person Science Award

Michael Abelson, MA, MBA, Ph.D
Board Member
Founder/CEO, The Abelson Group
Emeritus, Management Department (Retired)
Texas A&M University, College Station, TX.

Lisa Aldisert, Ph.D.
Board Member
President of Pharos Alliance, an executive consulting firm specializing in strategy, business development, and organizational leadership development for entrepreneurial companies. New York, NY.

Richard Bell, M.D.
Board Member
General Surgery Distinguished Professor Emeritus University of South Carolina, Columbia, SC.

Charles (Chuck) Coker, PhD, SPHR
Board Member
Founder of Lifethrive Performance Systems
For the past 30 years Chuck has worked both in – house and as a consultant on the development and implementation of proprietary Human Capital and Talent Management programs across a broad scope of Fortune Companies, regional organizations, and educational institutions.

Thomas F. Collura, Ph.D., MSMHC, QEEG-D, BCN, NCC, LPC
Board Member
President at BrainMaster Technologies, Inc. Cleveland, Ohio.

Connie Fuller, MBA, PHD, SHRM-SCP
Board Member
Professor & Assoc. Chair, Business Psychology Dept. at The Chicago School of Professional Psychology, Chicago, IL

Carol Gaffney, Ph.D.
Board Member
Behavioral Intelligence®, Owner at peopleSOLUTIONS and principal at Six Dimensions Sports Consulting

Kevin Gazzara, DM
Board Member
Arizona State University Walton School of Sustainability, Grand Canyon University, Drexel University, University of Phoenix, Ohalo College and Senior Partner at Magna Leadership Solutions.

Dave Gosselin, Ph.D.
Board Member
Director of Environmental Studies, University of Nebraska-Lincoln, NE.
Author of: Focus on Them: Leading the Mindset Revolution for Coaches, Teachers and Business Leaders

David Pistrui, Ph.D.
Board Member
Managing Director, Acumen Dynamics, LLC., Chicago, IL

Shayne Tracy, Ph.D.
Board Member
Principal Consultant at Professional Development Associates Inc. Toronto, Canada

Nancy Wigton, Ph.D., LPC
Board Member
Founder/Clinical Director, Applied Neurotherapy Center, LLC, Scottsdale, AZ.
Adjunct Graduate Research Professor, Grand Canyon University, Phoenix, AZ.

Cornel Stemley
Board Member
Founder of The Stemley Performance Group
Justice Studies, Grand Canyon University, Phoenix, Arizona