President
![](https://www.actstat.org/wp-content/uploads/2024/03/Heidi-Headshot-1.jpeg)
Heidi Spratt, Ph.D
The University of Texas Medical Branch
Associate Professor
Department of Biostatistics and Data Science
301 University Blvd
Galveston, TX 77555-1157
President-Elect
![](https://www.actstat.org/wp-content/uploads/2024/03/Liu_Dandan-1-2-scaled.jpg)
Dandan Liu, Ph.D
Vanderbilt University Medical Center
Associate Professor
Department of Biostatistics
2525 West End Ave
Nashville, Tennessee 37203
Immediate Past President
![](https://www.actstat.org/wp-content/uploads/2024/03/Nichole-Headshot-1.jpeg)
Nichole Carlson, Ph.D
Professor; Associate Chair for Research
Biostatistics & Informatics
Colorado School of Public Health
13001 E. 17th Place
Mail Stop B119
Aurora, CO 80045
past_president@actstat.org
Treasurer
![](https://www.actstat.org/wp-content/uploads/2022/12/BD4.jpeg)
David M. Rocke, Ph.D.
University of California, Davis
Distinguished Professor
Division of Biostatistics and Department of Biomedical Engineering
Secretary
![](https://www.actstat.org/wp-content/uploads/2022/12/BD5-871x1024.jpeg)
Lauren Balmert Bonner, Ph.D.
Northwestern Univesity
Assistant Professor
Department of Preventive Medicine - Biostatistics
680 North Lake Shore Drive, Suite 1400
Chicago, IL 60611
Contact secretary@actstat.org for more information.