About
Stat Tenacity exists to help you understand your current and future data by providing industry-leading analysis that helps you achieve your business goals.
Our clients come to us for statistical expertise on short notice. We can help you analyze and understand your data to retain defendable results—and we can show you how to improve your experiments to generate better data.
We have over 50 years of collective practicing experience and multiple co-authored publications. Our consultants will partner with you to design experiments, perform statistical analyses for your project needs, and develop predictive models.
Meet the Team
KJELL JOHNSON, PH.D. — OWNER AND FOUNDER
Kjell is a problem-solving consultant who makes statistics and predictive modeling understandable so that collaborators can make good decisions. Before starting Stat Tenacity, Kjell was a Director at Pfizer where he worked across many aspects of pharmaceutical research including discovery, safety, and manufacturing.
At Stat Tenacity, Kjell has continued to collaborate with and teach scientists and statisticians in the pharmaceutical industry. He has also expanded to the biotechnology, medical devices, diagnostics, and investment fields.
Kjell co-authored Applied Predictive Modeling with Max Kuhn, which received the 2014 Technometrics Ziegel Prize for Outstanding book. In 2018, Kjell and Max co-authored Feature Engineering and Selection. Kjell has also co-authored 50+ manuscripts in the theory and application of statistical methods.
Austin Rhodes, PhD — Statistical Consultant
Austin is a pragmatic consultant who strives to balance sound statistical practice with solutions that are appropriate to the context of each project he is involved in. Austin is firmly committed to the idea of presenting statistical results in a way that’s clear and insightful for non-statisticians, empowering them to make confident data-driven decisions.
Austin has more than eight years of experience as a consulting statistician within the animal health industry, where his primary focus was on experimental design for non-clinical and diagnostics R&D efforts. Prior to his time in biotechnology, he worked as a statistical subject matter expert within the fields of aerospace engineering and petroleum additives. He has taught numerous introductory statistics courses throughout his time in graduate school and industry.
Austin holds a master's degree in statistics from the University of Virginia and a PhD in statistics from Virginia Tech.
Mark Culp, PhD — Statistical Consultant
Mark is a statistical consultant with practical expertise in machine learning methods, design and analysis of experiments, Bayesian methods, app development, and computational statistics. Before working with Stat Tenacity, Mark was Professor and Chair of the Department of Statistics at West Virginia University, where he received a prestigious National Science Foundation CAREER award for his statistical methodology research on multi-view learning with large data.
Mark has translated his teaching experience to the consulting setting, where he enjoys explaining statistical concepts to the individual clients. As an industry consultant, he has extensive experience collaborating with researchers and scientists in the pharmaceutical industry with applications in digital medicine, accelerometry, manufacturing, sleep analysis, and data visualization.