For general information about the Department of Mathematical Sciences and its programs, contact:
Brianna Mullen-Hayes,
Academic Administrative Assistant
bmullenhayes@shawnee.edu
Phone: (740) 351-3301
Fax: (740) 351-3584
On campus:
Administration Building room 110
Vern Riffe Center for the Arts room 309
Department of Mathematical Sciences
Shawnee State University
940 Second Street
Portsmouth, Ohio 45662-4344
![Phil Blau](https://www.shawnee.edu/sites/default/files/2021-08/Phil-Blau.jpg)
Phil Blau
Title: Department Chair and Professor
Office Location: ADM 112
Phone: (740) 351-3443
Email: pblau@shawnee.edu
![Image of Doug Darbro](https://www.shawnee.edu/sites/default/files/2019-06/Doug-Darbro.jpg)
Doug Darbro
Title: Director of Math Graduate Program and Professor
Office Location: ADM 113
Phone: (740) 351-3441
Email: ddarbro@shawnee.edu
![David DeSario](https://www.shawnee.edu/sites/default/files/2019-01/David-DeSario.jpg)
David DeSario
Title: Professor
Office Location: ADM 116
Phone: (740) 351-3342
Email: ddesario@shawnee.edu
![Linda Hunt](https://www.shawnee.edu/sites/default/files/2019-01/Linda-Hunt.jpg)
Linda Hunt
Title: Professor
Office Location: ADM 140
Phone: (740) 351-3448
Email: lhunt@shawnee.edu
![Robert Mendris](https://www.shawnee.edu/sites/default/files/2019-01/Robert-Mendris.jpg)
Robert Mendris
Title: Professor
Office Location: ADM 135
Phone: (740) 351-3526
Email: rmendris@shawnee.edu
![Preston Nichols](https://www.shawnee.edu/sites/default/files/2019-01/Preston-Nichols.jpg)
Preston Nichols
Title: Associate Professor
Office Location: ADM 136
Phone: (740) 351-3626
Email: pnichols@shawnee.edu
![Chris OConnor](https://www.shawnee.edu/sites/default/files/2019-01/Chris-OConnor.jpg)
Christopher O'Connor
Title: Associate Professor
Office Location: ADM 137
Phone: (740) 351-3309
Email: coconnor@shawnee.edu
![Heather Waugh](https://www.shawnee.edu/sites/default/files/2019-01/Heather-Waugh.jpg)
Heather Waugh
Title: Senior Instructor
Office Location: ADM 117
Phone: (740) 351-3588
Email: hwaugh@shawnee.edu
![John Whitaker](https://www.shawnee.edu/sites/default/files/2019-01/John-Whitaker.jpg)
John Whitaker
Title: Professor
Office Location: ADM 115
Phone: (740) 351-3630
Email: jwhitaker@shawnee.edu
![Jinlu Li](https://www.shawnee.edu/sites/default/files/2023-03/Jinlu-Li.jpg)
Jinlu Li
Title: Professor Emeritus
Office Location: ADM 138
Phone: (740) 351-3425
Email: jli@shawnee.edu