CESE Contact Us
Contact Information for the Center of Excellence in STEM Education
![Photo of Dr. Alissa A. Lange](/coe/stem-education/pictures/lange_alissa_anne_headshot-content-square.jpg)
Dr. Alissa A. Lange
Director
East Tennessee State University
509-A Warf-Pickel Hall| P0 Box 70301 | Johnson City, TN 37614-1709
Phone: 423-439-7589 Fax:423-439-7530
langea@etsu.edu
![Photo of Dr. Chih-Che Tai](/coe/stem-education/pictures/tai_chih_che_cemse.jpg)
Dr. Chih-Che Tai
Assistant Director/Associate Professor of Science Education
East Tennessee State University
509-B Warf-Pickel Hall| P0 Box 70301 | Johnson City, TN 37614-1709
Phone: 423-439-7591 Fax:423-439-7530
taic01@etsu.edu
![Photo of Ms. Angela T. Haga](/coe/stem-education/pictures/haga_angela.jpg)
Ms. Angela T. Haga
Executive Secretary
Center of Excellence in STEM Education
Assistant Director, Governor's School in Integration of Biological & Statistical Sciences,
Public Relations Coordinator, ETSU Northeast Tennessee STEM Innovation Hub
East Tennessee State University
509-G Warf-Pickel Hall | PO Box 70301 | Johnson City, TN 37614-1709
Phone: 423-439-7592| Fax:423-439-7530| haga@etsu.edu