School of Science & Mathematics Faculty & Staff

School of Science & Math

Agricultural Science

Ms. Emily Costello
Lecturer in Agricultural Science, Equestrian Show Team Coach

Fall 2023

9:00- 11:30 pm Monday, Tuesday, Wednesday, and Friday, other times by appointment, office hours can be in person or over zoom (ecostello2020)

Personal Pronouns: She/Her

Dr. Bob Johnson
Assistant Professor of Agricultural Science

Monday: 10:30 – 1:00 and 2:30 – 4:00, Wednesday: 10:30 – 1:00, Thursday: by appointment via Zoom link ( ), Friday: 10:30 – 12:00.

Personal Pronouns: he/him/his

Dr. Michael Seipel
Agricultural Science Department Chair and Professor of Agricultural Science

Fall 2023

MWF 9:30-10:30, MW 2:30-3:30 T 11:00-4:00

I would recommend setting office hour appointments in advance by email.  I am available to meet in person in MG 3082 or via Zoom. Please email me for Zoom link.

Please schedule academic advising appointments via this link: Seipel Advising Appointments

Personal Pronouns: He/him/his


Dr. Brett Berke
Associate Professor of Biology (started at TSU in the fall of 2015)

Fall 2023 (Zoom and F2F;

M (F2F) 10:30-12:30

T (Zoom) 1:30-2:30

W (Zoom) 3:30-4:30

Th (Zoom) 4-5

Fri (F2F) 9:30-11:30

Appointments can also be scheduled as requested

Personal Pronouns: he/him/his

Instr. Jeanne Mitchell
Instructor in Biology (1992)


9:30 to 12:20 and 3:30 to 4:20 Mondays and Wednesdays

10:30 to 12:20 on Fridays

and by appointment.      Zoom ID 614-047-3210


Personal Pronouns: she/her


Dr. John Grutsch
Assistant Professor of Chemistry

Office Hours

Monday:            3:00 pm – 5:00 pm (MG 3154)

Tuesday:           11:00 am – 12:30 am (CCC MG 3090)  

Wednesday:       3:00 pm – 5:00 pm (MG 3154)

Thursday:           1:00 pm – 3:00 pm (MG 3154)

Friday:                3:00 pm – 5:00 pm (MG 3154)

Dr. Bill Miller
Associate Professor of Chemistry

Fall 2023 - Office Hours

Monday 10:00am-11:00am, 2:30pm-3:20pm

Tuesday 1:00pm-2:30pm

Wednesday 9:30am-11:00am (MG 3090), 2:30pm-3:20pm

Thursday 9:00am-10:30am

Friday 10:00am-11:00am, 2:30pm-3:20pm

Office hours will typically be held in MG 3128. In the event I am unable to be present in person, I will be available on Zoom at 

Personal Pronouns: he/him

Dr. Anne Moody
Professor of Chemistry

FALL 2022:

Monday in MG 3140: 2-4 pm

Tuesday in MG 2090: 1:30-3:30 pm ("study hall")

Wednesday in MG 3140: 9:30-11 am

Friday in C3 (MG 3090): 9:30-11 am

AND by appointment!

ZOOM also available via  BE SURE TO SCHEDULE ZOOM W ME, so I know to open the zoom room!


Personal Pronouns: she/her

Dr. Justine Olson
Assistant Professor of Chemistry

Monday: 2:30-4:30 pm
Tuesday: 1 - 3 pm
Wednesday: 3 - 4:30 pm (CCC)
Thursday: 1 - 5 pm

All office hours can be virtual by request, except the CCC hours. 

Personal Pronouns: she/her/hers

Dr. Peter Ramberg
Professor of History of Science

MWF: 11:30-12:30

M: 130-3:00 (in Chemistry Contact Center)

W: 1:30-3:00 

Or by appointment. Zoom or in-person.

Computer Science


Dr. David Garth
Mathematics Department Chair; Professor of Mathematics

Office Hours Fall 2023 (In person or via Zoom)

Monday: 9:30-10:30, 1:30-3:30

Tuesday: 3:00-4:00

Wednesday: 9:30-10:30, 2:00-4:00

Thursday: 3:00-4:00

Friday: 9:30-10:30

Zoom: You can log in using the link

Dr. Philip Ryan
Professor of Mathematics

Monday 9:00-10:30am & 1:30-3:30pm; Tuesday 10:30-11:30am & 1:30-3:00pm; Wednesday 9:00-10:30am; Thursday, 8:30-10:30am; and Friday 9:00-10:30am.

Or by appointment 

To access by zoom use

Phil Ryan (

Personal Pronouns: he/him/his

Diane Sandefur
Administrative Assistant - Computer Science, Mathematics, and Statistics

Monday - Friday 7:00AM to 4:00PM 

Office is open 8:00AM to 5:00PM (You are welcome to come in at 7:00AM as well.  But official hours start at 8:00AM.)


Dr. Steven Smith
Professor of Mathematics

M  &  T 10:30 am -11:30 am, 12:30 pm - 1:30 pm

W   10:30 am - 1:30 pm

H   10:30 am - 11:30 am

or by appt

Dr. Dana Vazzana
Professor of Mathematics and Director of Academic Professional Development

VH 2144

Monday: 1:30 - 2:30pm

Wednesday: 1:30 - 2:30 pm

Thursday: 11:30 - 1:30pm

Friday: 12:30 - 2:30pm



Personal Pronouns: she/her/hers


Dr. Colin DeGraf
Assistant Professor of Physics

Monday: 11:30-12:20
Tuesday: 2:30-3:20
Wednesday: 3:30-5:20
Thursday: 12:30-2:20
Friday: 12:30-1:20, 3:30-4:20

Dr. Rasanjali Jayathissa
Assistant Professor of Physics

MW 11.30-12.30,2.30-3.30, F 11.30-12.30, and as arranged by appointment.

Personal Pronouns: She/ her

Dr. Tim Wiser
Assistant Professor of Physics

(Fall 2023)

MW 10-11:20a; TR 10:30-11:50a
Mon PM and Fri by email appointment

Open door = drop on in!

Personal Pronouns: he/him


Dr. Scott Alberts
Chair and Professor, Department of Statistics and Data Science

Fall 2023:

Monday: 4-6 PM (on Zoom and in-person)
MTW: 10:30 - 11:30 AM
TTh: 1:00-3:00 PM

and I'm also available by appointment.
Office hours can be zoomed with prior arrangements at: 
E-mail me if Zoom isn't turned on at

Personal Pronouns: he/his

Dr. Dean DeCock
Professor of Statistics & Director of Assessment

Virtual & In-Person for the Fall (email for Zoom link). In person OH will typically be in McClain 306 (right after my scheduled classtime).