School of Science & Mathematics
Computer & Data Sciences
Dr. Scott Alberts
Computer & Data Sciences Chair and Professor of Statistics
Fall 2025
MWF 9:00-10:20 AM
MW 2:30-3:45 PM (Monday afternoon on Zoom)
TTh 1:30-2:50 PM VH 2132
I'm also available by appointment.
Zoom link: https://zoom.us/j/708734757
E-mail me if Zoom isn't turned on at salberts@truman.edu
Dr. Sunghoon Chung
Assistant Professor of Statistics
Fall 2025 (Aug 18 - Dec 5)
Tue: 1:20 PM – 3:10 PM, 4:45 PM –5:15 PM
Wed: 1:30 PM – 5:15 PM
Thu: 1:20 PM – 5:15 PM
Dr. Dean DeCock
Professor of Statistics & Director of Assessment
Virtual & In-Person for the Spring (email for Zoom link). In person OH will typically be in McClain 306 (right before after my scheduled classtime).
M 10:00-10:50 (Zoom), 1:00-2:20 (Zoom)
T 8:30-9:00, 10:20-10:50, 1:00-1:30
W 10:30-11:20 (Zoom)
R 8:30-9:00, 10:20-10:50, 1:00-1:30, 2:50-3:20
Or by appointment
Additionally, checking email throughout day, but can expect quick response at official office hours. I am typically online most of the day and can meet via zoom quickly if you email me.Evening/weekend emails may get answered that night, but I should respond by the end of the next business day.
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 - 3:30 PM (In-person)
Tuesday: 12:00 PM - 3:00 PM (Online)
Tuesday: 5:00 PM - 8:00 PM (Online)
Thursday: 1:00 PM to 3:00 PM (By Appointment)
Dr. Scott Thatcher
Associate Professor of Statistics
Fall 2025 General Office Hours (in person and via Zoom):
MWF 9:30-11:20 a.m., TTh 1:00-2:30 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.
Agricultural & Biological Sci
Dr. Brett Berke
Associate Professor of Biology (2015)
Fall 2025 (Zoom and F2F; https://truman-edu.zoom.us/j/3226642392)
Mon 9:30-10:30
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
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)
Dr. Joanna Hubbard
Associate Professor of Biology
Spring 2025
Drop-in M & F 1:30 – 4:00 pm
Or make any appointment via calendar link (times vary by week)
Dr. Bob Johnson
Assistant Professor of Agricultural Science
MWF: 9:30 - 12:30 or by appointment
Instr. Jeanne Mitchell
Instructor in Biology (1992)
Monday 10:30 - 12:20 and 1:30 to 2:20
Tuesday 10:30 - 1:20
Wednesday 10:30 - 12:20
Friday 10:30 - 12:20
or by appointment.
Zoom ID 614-047-3210 (zoom open by arrangement)
Dr. Michael Seipel
Professor of Agricultural Science
Fall 2025
Monday, Wednesday, Friday, 9:30-10:30; 2:30-3:30; Tuesday 1:00-3:30
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
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.)
Dr. David Garth
Mathematics Department Chair; Professor of Mathematics
Office Hours (In person or via Zoom)
MWF 9:30-11:30, TR 1:30-3:30
Zoom: You can log in using the link
Dr. Ian Gossett
Assistant Professor of Mathematics
Tuesdays/ Thursdays 8 -10 am and 12-2 pm
Fridays 10 am - 12 pm
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
Dr. Stephen Lacina
Assistant Professor of Mathematics
Monday 10:30am-1pm and 2:30-4pm
Tuesday 12-1:20pm
Wednesday 10:30-12:00pm and 2:30-4pm
Friday 10:30am-12pm
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
Dr. Dana Vazzana
Professor of Mathematics and Director of Academic Professional Development
VH 2144
Tuesday: 11:30-1:20, 2:30-3:20
Friday: 11:30-2:20
Dr. Tony Vazzana
Professor of Mathematics
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: 12:30-2:20
And please feel free to stop in anytime I'm around!
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
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.
Dr. Barbara Kramer
Professor of Chemistry
Current office hours are at http://bkramer.sites.truman.edu/schedule/
Dr. Brian Lamp
Physical Sciences Department Chair; Professor of Chemistry
Current semester schedule is at http://blamp.sites.truman.edu/current-schedule/
Dr. James McCormick
Associate Professor of Chemistry
Monday: 2:30 PM - 4:00 PM
Wednesday: 1:30 PM - 3:00 PM (Contact Center MG 3090)
Thursday: 1:30 PM - 5:00 PM Physical Chemistry Study Hall in MG 3090
Friday: 1:30 PM - 3:30 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!
Dr. John O'Brien
Professor of Chemistry
10:30-12:30 Daily MWF (W in Contact Center)
1:00-3:00 TTh
Or by appointment.
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
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
