School of Science & Mathematics Faculty & Staff

School of Science & Mathematics

Agricultural & Biological Sci

Dr. Brett Berke
Associate Professor of Biology (2015)

Fall 2025 (Zoom and F2F; https://truman-edu.zoom.us/j/3226642392)

Mon 10:30-11:30

Tues 1:30-2:30

Wed 3:30-4:30

Thurs 10:30-11:30

Fri 9-11:30

Appointments can also be scheduled upon request

Personal Pronouns: he/him/his

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

Fall 2025

10:30am- 12:20 pm MW, 9am-12pm T, and 11am-2pm F in MG 3078, other times by appointment, office hours can be in person or over zoom (ecostello2020)

Personal Pronouns: She/Her

Dr. Joanna Hubbard
Associate Professor of Biology

Fall 2025 & Spring 2026: I am on sabbatical this year. If you need to contact me, please reach out via email.

Personal Pronouns: she, her, hers

Instr. Jeanne Mitchell
Instructor in Biology (1992)

Monday 11:30 - 12:20 and 1:30 to 2:20

Tuesday 9:00 - 11:00

Wednesday 8:30 - 10:20, 11:30 - 12:20, 1:30 - 2:20

Friday  11:30 - 12:20, 1:30 - 2:20

or by appointment. 

Zoom ID 614-047-3210 (zoom open by arrangement)

 

Personal Pronouns: she/her

Dr. Michael Seipel
Professor of Agricultural Science

Spring 2026:

M W F 10:30 – 11:30; 1:30-2:30

T & Th 10:00-12:00

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:
Michael Seipel Advising Appointments

Personal Pronouns: He/him/his

Agricultural & Biological Scie

Computer & Data Sciences

Dr. Scott Alberts
Computer & Data Sciences Chair and Professor of Statistics

Fall 2025

MWF  9:00-10:20 AM
TTh    1:30-2:50 PM
M    2:15-3:45 PM    (on Zoom)

I'm also available by appointment, and I can always turn on Zoom during any office hours.

Zoom link: https://zoom.us/j/708734757 
E-mail me if Zoom isn't turned on at salberts@truman.edu

Personal Pronouns: he/his

Dr. Sunghoon Chung
Assistant Professor of Statistics

Spring 2026 (Jan 12 - May 1)

Tue: 11:50 AM – 1:30 PM, 2:45 – 3:15 PM, 4:45 – 5:15 PM

Wed: 11:30 AM – 12:25 PM, 1:30 – 2:25 PM, 3:20 – 5:15 PM

Thu: 11:50 AM – 1:30 PM, 2:50 – 5:15 PM

Or by appointment — email: schung@

Personal Pronouns: he/him/his

Dr. Dean DeCock
Professor of Statistics & Director of Assessment

 

I will be on sabbatical for spring 2026. You may contact me via email (I will be checking email occasionally) but if you need timely information please contact Dr. Scott Alberts the CDSC Chair. (or Jonathan Vieker for assessment inquires)

Dr. Shanshan Lv
Assistant Professor of Statistics

2024 Fall Office Hours

M, W: 12:00pm - 3:00pm;   

T, Th:  12:30pm - 3:00pm

or by appointment

 

 

Dr. Nazmul Shahadat
Assistant Professor of Computer Science

My Office Hours (Spring 2025):
Monday: 1:30 PM - 4:30 PM (In-person: Effective from 3/2/2026)
Tuesday: 1:00 PM - 3:00 PM (Online)
Wednesday: 2:30 PM - 4:30 PM (Online)

Dr. Scott Thatcher
Associate Professor of Statistics

Spring 2026 General Office Hours (in person and via Zoom):
MWF 11:30 a.m.-12:20 p.m., MWF 1:30-2:20 p.m., T 10:30-11:50 a.m., Th 1:00-2:20 p.m., and by appointment.
(Meeting ID: 998 5317 5322, PW: 952751)

Note: If you join the Zoom meeting, please make sure your full name is used as your Zoom name, and be patient if it takes me a minute to let you in. I may be juggling in-person and Zoom students or having a private conversation with a student.

Dr. Chen-Yeou Yu
Assistant Professor of Computer Science

Fall 2025 Office Hours:

Mon. to Fri. (By Appointment)

9:30am – 14:20pm

Tue. and Thu. (By Appointment)

15:30pm – 17:20pm

Or you can email me your best avaialble time.

Want to zoom meeting with me? Here is the link

https://truman-edu.zoom.us/j/8547872384

The meeting ID:

854 787 238

Health Science

Mathematics

Dr. Don Bindner
Assistant Professor of Mathematics

Contrary to rumor, my office is actually VH2258 and not VH2252....

Office Hours Fall 2025:
MTWR 10:30am-11:20am at VH2258
TW: 1:30am-2:20pm at VH2258
MR 1:30am-3:20pm at VH2258
Or by appointment

Zoom link: https://www.zoom.us/meeting/87879004083
(Let me know ahead of time if you want a Zoom meeting.)

Personal Pronouns: he/him

Dr. Ian Gossett
Assistant Professor of Mathematics

Office hours:

Monday-Friday 3:30-5:00 pm

Tuesdays/Thursdays 7:45 -9:00 am

Dr. Anna Halfpap
Assistant Professor of Mathematics

Fall 2025 Office Hours

Monday and Tuesday, 2:00 to 5:00

Wednesday, 10:30 to 11:20 and 2:00 to 3:00

Thursday, 1:00 to 3:00

Dr. Wayne Johnson
Assistant Professor of Mathematics and Data Science

Fall 2025 Office Hours

Monday: 9:30am-10:20am and 11:30am-12:20pm
Wednesday: 9:30am-10:20am and 11:30am-12:20pm
Thursday: 9:30am-11:20pm and 12:30pm-2:20pm
Friday: 9:30am-10:20am and 11:30am-12:20pm

Personal Pronouns: he/him

Dr. Stephen Lacina
Assistant Professor of Mathematics

Monday 1:30-2:20pm

Tuesday 10:30am-2:20pm

Wednesday 11:30am-12:20pm and 1:30-2:20pm and 3:30-5:30pm

Friday 11:30am-12:20pm

Diane Sandefur
Administrative Assistant - Computer & Data Sciences and Mathematics

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 W & H 9:30 AM -10:30 AM, M T & H, 11:30 AM - 12:30 PM, M, W 12:30 PM -1:30 PM  or by appt

Dr. Derek Sparrius
Assistant Professor of Mathematics

Monday: 2:30-3:20 PM

Tuesday: 1:30-4:20 PM

Wednesday: 2:30-4:20 PM

Thursday: 10:30-11:20 AM and 1:30-3:20 PM

Friday: 11:30 AM-12:20 PM

Physical Sciences

Dr. Colin DeGraf
Assistant Professor of Physics

Tentative Fall 2025:

Monday: 2:30-3:20 & 4:30-5:20
Tuesday: 2:30-4:20
Wednesday: 1:30-3:20
Thursday: 1:00-2:50

And please feel free to stop in anytime I'm around!

Personal Pronouns: He/Him

Dr. Hanbo Hong
Assistant Professor of Chemistry

Fall 2024:

Mon, Tue, Wed, and Fri: 9:00 AM ~ 11:00 AM, at MG 3144

Thu: 1:30 PM ~ 3:00 PM, at MG 3090 (Chemistry Contact Center, "C3"), then 3:30 PM ~ 4:00 PM at MG 3144

Personal Pronouns: he/him/his

Dr. Rasanjali Jayathissa
Assistant Professor of Physics

M 10.30 -11.30 and 3.30 - 4.30

T 12.30 – 1.30 and 3.30 - 4.30

W 10.30 -11.30 and 3.30 - 4.30

R 3.30 - 4.30

F 10.30 -11.30 and 3.30 - 4.30 

and as arranged by appointment.

Personal Pronouns: She/ her

Dr. James McCormick
Associate Professor of Chemistry

Monday: 1:30 PM - 5:00 PM.

Wednesday: 1:30 PM - 5:00 PM Physical Chemistry Study Hall in Contact Center MG 3090.

Thursday: 2:30 PM - 5:00 PM.

Any other time when I am not in class or otherwise scheduled is available to meet with students.  Email or call me to set up a time.

All office hours are in person, but can also be via Zoom at https://truman-edu.zoom.us/j/3051031380. Please let me know if you would like to attend via Zoom, so that I can get things set up.

Dr. Anne Moody
Professor of Chemistry

FALL 2024:

Monday in MG 3140: 9:30 to 10:20 am and 3:30 to 5 pm

Tuesday in MG 2001: 10:00 am to noon ("study hall")

Wednesday in MG 3140: 9:30 am to 10:20 am

Thursday in C3 (MG 3090): 9:30 to 11:00 am

AND by appointment!

ZOOM also available via https://zoom.us/j/6642628009.  BE SURE TO SCHEDULE ZOOM W ME, so I know to open the zoom room!

 

Personal Pronouns: she/her

Dr. Peter Ramberg
Professor of History of Science

MTWF: 10:30-12:30 (Monday in the Chemistry Contact Center, 11:00-12:30)

M 1:30-3:00
F: 9:00-11:00

Or by appointment. Zoom or in-person.

Dr. Tim Wiser
Interim Chair of Physical Sciences; Associate Professor of Physics

(Fall 2025)

Open Office Hours:
MW 1:30p–2:20p
T 10:30a–12:20p

For 1-on-1 office hours or advising:
Book time with Dr. Wiser

Personal Pronouns: he/him
School of Science and Mathematics