About Us

Our Leaders

Jat Thompson, Ph.D.

Founder & President

Jason Cummins

Managing Partner

Don Grimsley

Director of Operations

Dan McGurrin, Ph.D.

Director of Strategic Partnerships

Mike Chidsey

Director of Software Development

Mark Wilson, Ph.D

Chief Analytics Officer & Senior Business Advisor

Aaron Peck

Director of Leadership & Learning

Our Advisors

Jeremy Foley

AD Emeritus, University of Florida

J. Kemp Ellington, Ph.D.

Associate Professor, App State University

S. Bart Craig, Ph.D.

Associate Professor, NC State University

Erich Dierdorff, Ph.D.

Professor, DePaul University

Meaningful Impact

Seek Market Influence Over Market Share

Exceptional Delivery

Count On Extraordinary

Enterprising Spirit

See It. Own It. Do It.

Remarkable Reputation

Trust Is Our Capital

Team First

It’s All About The Team

Our Story

2003

Horizon is founded to support the U.S. Army’s Special Forces Assessment and Selection.

2006

Contracted to establish the Marine Special Operations Assessment & Training programs.

2008

Served NASA’s Deep Space Mission Astronaut selection program.

2011

GideonSoft, Horizon’s proprietary software, redesigned as a web-based software solution.

2013

Horizon creates an Athletics Division to support coaches, teams, and Athletics departments.

2017

Inaugural Leader eXchange Retreat – evolves to a coveted annual leader development forum.

2018

Developed the Continual Leader Development Program for Naval Special Warfare Command.

2019

Scale Whole Person and Peer Assessments to student-athletes across multiple universities.

2020

Begin service to the restaurant industry to increase retention and develop front line leaders.

2021

Horizon establishes the Private Sector Division to expand services into commercial markets.

2022

Host the Joint Special Operations Command’s semi-annual leadership development conference.

2023

Celebrated Horizon Performance’s 20th Anniversary – and just getting started.

2023

Established the Data & Analytics Division increasing capabilities to full service, science, and software.

2023

Support the Department of Justice performance modeling efforts.

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