Full Time Faculty
![Hei-Chi Chan](https://www.uis.edu/sites/default/files/styles/webp_250_x_250_scale_and_crop_/public/directory_photos/Hei-Chi_Chan_hchan1.jpg.webp?itok=EZHONOnN)
Dr. Hei-Chi Chan
Mathematical Sciences Department Chair
Associate Professor of Mathematical Sciences, Astronomy-Physics
Ph.D., M.S. Yale University
B.S. University of Illinois at Urbana-Champaign
Email: chan.hei-chi@uis.edu
Phone: (217) 206-7331
Office: BRK 377B
Dr. Chan's personal web page
![Yuichi Iwashita](https://www.uis.edu/sites/default/files/styles/webp_250_x_250_scale_and_crop_/public/directory_photos/Yuichi_Iwashita_ciwas1.jpg.webp?itok=z33BQ02G)
Dr. Yuichi Iwashita
Associate Professor of Mathematical Sciences
Ph.D. University of Illinois at Urbana-Champaign
Email: ciwas1@uis.edu
Phone: (217) 206-7939
Office: BRK 385
![Tung Nguyen](https://www.uis.edu/sites/default/files/styles/webp_250_x_250_scale_and_crop_/public/directory_photos/Tung_Nguyen_tnguy2.jpg.webp?itok=YUXMHfcB)
Dr. Tung Nguyen
Associate Professor of Mathematical Sciences
Ph.D., Auburn University
Email: tnguy2@uis.edu
Phone: (217) 206-8338
Office: BRK 388
![Niang Kong](https://www.uis.edu/sites/default/files/styles/webp_250_x_250_scale_and_crop_/public/directory_photos/Liang_Kong_lkong9.jpg.webp?itok=-gU-LwuX)
Dr. Liang Kong
Associate Professor of Mathematical Sciences
Ph.D., Auburn University
Email: lkong9@uis.edu
Phone: (217) 206-7219
Office: BRK 390
Dr. Kong's personal web page
![Yifei Li](https://www.uis.edu/sites/default/files/styles/webp_250_x_250_scale_and_crop_/public/directory_photos/Yifei_Li_yli236.jpg.webp?itok=JGZJs0Az)
Dr. Yifei Li
Assistant Professor of Mathematical Sciences
Ph.D. and M.S., Washington University in St. Louis
B.A., Berea College
Email: yli236@uis.edu
Phone: (217) 206-7346
Office: BRK 389
![Carol Saltgaver](https://www.uis.edu/sites/default/files/styles/webp_250_x_250_scale_and_crop_/public/directory_photos/Carol_Saltsgaver_csalt2.jpg.webp?itok=C_Bav7YH)
Carol M. Saltsgaver
Clinical Instructor of Mathematical Sciences
M.S. University of Oklahoma
Email: csalt2@uis.edu
Phone: (217) 206-7451
Office: BRK 384
![Elizabeth Thing](https://www.uis.edu/sites/default/files/styles/webp_250_x_250_scale_and_crop_/public/directory_photos/Elizabeth_Thing_ethin2.jpg.webp?itok=a00B5ScO)
Elizabeth Thing
Remedial Math Specialist
Email: ethin2@uis.edu
Phone: (217) 206-8483
Office: BRK 382
![Jennifer Grebner](https://www.uis.edu/sites/default/files/styles/webp_250_x_250_scale_and_crop_/public/directory_photos/Jennifer_Grebner_jbren4.jpg.webp?itok=GtCALcfQ)
Jennifer Grebner
Remedial Math Specialist
Email: jbren4@uis.edu
Office: BRK 380
Read more on Jennifer Grebner
Adjunct Faculty
![Nicole Meismer](https://www.uis.edu/sites/default/files/styles/webp_250_x_250_scale_and_crop_/public/directory_photos/Nicole_Meismer_nmeis2.jpg.webp?itok=L8DGJDqD)
Email: nmeis2@uis.edu
Phone: (217) 206-7449
Office: BRK 449
Associated Staff & Faculty
Chrissy Benoit
Program/Student Advisor
Email: cbeno2@uis.edu
Phone: (217) 206-8405
Office: BRK 379
Dr. Chung-Hsien Sung
Associate Professor of Mathematical Sciences, Emeritus
Email: sung.chung-hsien@uis.edu
Phone: (217) 206-7330
Larry Stonecipher
Associate Professor of Mathematical Sciences, Emeritus
Email: lston1@uis.edu
Phone: (217) 206-6784