Chief Data Scientist
Polis Solutions, Inc.
Dallas, Texas, United States
Dr. Vivian Ta-Johnson is the Chief Data Scientist at Polis Solutions, Inc and Assistant Professor of Psychology at Lake Forest College where she directs the Technology, Relationships, and Language Lab. Her research uses natural language processing to examine psychological processes during social interactions in law enforcement and other settings. Dr. Ta is currently working on several projects funded by the US Department of Justice to expand the use of natural language processing and machine learning to improve the accuracy, scalability, and cost-effectiveness of tools for measuring police performance and expertise in training and operational settings. Her work has been published in journals such as Journal of Police and Criminal Psychology, and Negotiation, Conflict Management Research and Psychological Science, and has been funded by agencies such as the National Science Foundation, National Institute of Justice, and American Psychological Association.
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