Dr. Stephen Hudman
Interim Dean, School of Science & Mathematics; Professor of Biology
By Appointment.
Dr. Brian Lamp
Interim Associate Dean; Professor of Chemistry
Current office hours are at http://blamp.sites.truman.edu/current-schedule/
Dr. Brett Berke
Associate Professor of Biology (2015)
Fall 2026 (Zoom and F2F; https://truman-edu.zoom.us/j/3226642392)
Mon 330-430
Tues 1-230
Wed 1030-1230
Fri 330-430
Appointments can also be scheduled upon request
Dr. Sarah Berke
Assistant Professor of Biology
Tuesday: 9:30 - 11:30 am
Wednesday: 1:30-3:30 pm
Friday: 10:30 am - 12:30 pm
Or by appointment
Ms. Emily Costello
Lecturer in Agricultural Science, Equestrian Show Team Coach
Fall 2026
My office hours are from 10:30-12:20 pm MF, 9:30-11:20am T, 9:30-1:20pm R, or by appointment. Office Hours can be done in person in MG 3078 or over zoom at ecostello2020
Dr. Maria Beatriz De Souza Cortez
Assistant Professor of Biology (2024)
Monday: 3:30pm - 5:30pm
Tuesday: 9:00am - 11:00am
Wednesday: 3:30pm - 5:30pm
Thursday: 11:30am - 1:30pm
Friday: 10:30am - 12:30pm
For Office Hours by appointment, please email me at mbscortez@truman.edu
Dr. Rachel Harman
Assistant Professor of Agroecology
TR 8:00 - 10:00, WF 1:30 - 2:30, or by appointment
Dr. Joanna Hubbard
Associate Professor of Biology
Fall 2026:
Tues / Thur: 1:00 pm – 3:00 pm & Fri: 10:30 am – 12:00 pm
By appointment: Book time with Hubbard, Joanna: Student/Office Hours
Dr. Ariel Hughes
Assistant Professor of Biology
T&R 10:30am-11:30am, 2:00pm-3:00pm, F 10:30am-11:50am, or by appointment
Dr. Bob Johnson
Associate Professor of Agricultural Science
MWF: 10:30 -12:20 or by appointment
Dr. John Ma
Professor of Biology (2005)
Fall 2026 Office hours:
Tue/Wed 12:30 pm – 2:30 pm; Thu 12:30 pm – 1:30 pm
Dr. Hajeewaka Mendis
Assistant Professor of Biology (2021)
Office hours:
M 3:30 PM - 4:30 PM
T 1:30 PM - 4:30 PM
W 3:30 PM - 4:30 PM
R 1:30 PM - 4:30 PM, 9:00 AM - 10:00 AM
F 9:00 AM - 10:00 AM
(MG3030)
Instr. Jeanne Mitchell
Instructor in Biology (1992)
Monday 9:30 - 10:20 and 11:30 - 12:20 and 1:30 to 2:20
Tuesday 1:30 to 2:20
Wednesday 9:30 - 10:20 and 11:30 - 12:20 and 1:30 to 2:20
Friday 9:30 - 10:20 and 11:30 - 12:20 and 1:30 to 2:20
or by appointment.
Zoom ID 614-047-3210 (zoom open by arrangement)
Dr. Chad Montgomery
Professor of Biology (2007)
Office Hours: M 9:30-12:20, W 11:30-2:20, T/TH 10:30-1:20
And by appointment
Dr. Joyce Patrick
Associate Professor of Biology (2015)
My Office Hours for Spring 2026 are:
Mondays 1:30-3:20 PM
Tuesdays 9:30-10:20 AM and 12:30-1:20 PM
Thursdays 9:30-10:20 AM
Fridays 10:30 AM-12:20 PM
Other hours available by appointment.
Dr. Drew Sieg
Agricultural & Biological Sciences Chair and Associate Professor of Biology
Open Office Hours Via Zoom or in person (MG 3054)
Tuesday / Friday 9-11am
Other times by app't, send me an email!
Dr. Anton Weisstein
Professor of Biology (2004)
For Fall 2026:
Tue: 10:00 a.m. – 11:30 a.m.
Wed: 1:30 p.m. – 2:30 p.m.
Thu: 11:30 a.m. – 1:30 p.m.
...or by appointment.
Appointments recommended, but drop-ins welcome.
Dr. Scott Alberts
Computer & Data Sciences Chair and Professor of Statistics
Fall 2026
MWF 9:00-10:20 AM
Monday: 2:30-4:20 PM
TTh 1:30-2:50 PM
I'm also available by appointment, and I can turn on Zoom during any office hours if I know you're coming.
Zoom link: https://zoom.us/j/708734757
E-mail me if Zoom isn't turned on at salberts@truman.edu
Dr. Tetyana Beregovska
Assistant Professor of Statistics and Data Science
Monday 1:30 - 6:00 PM
Tuesday 1:30 - 3:00 PM
Wednesday 10:25-11:25 AM
Thursday 11:00 AM – 12:00 PM, 1:30 – 2:30 PM
Friday 10:25-11:25 AM
or by appointment in VH 2170 or on Zoom
Zoom: 374-869-1286 (Personal Meeting ID)
Dr. Sunghoon Chung
Assistant Professor of Statistics
Fall 2026 (Aug 17 - Dec 4)
Monday: 9:20-9:40 AM, 1:30-2:30 PM and 3:20-4:40 PM
Tuesday: 10:20-10:40 AM and 2:40-3:10 PM
Wednesday: 9:20-9:40 AM and 1:30-2:30 PM
Thursday: 10:20-10:40 AM
Friday: 9:20-11:50 AM, 1:30-2:30 PM, and 3:20-4:40 PM
Or by appointment
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. Mohamed Elsaeiti
Assistant Professor of Statistics and Data Science
- Tuesday: 4:30 PM-7:30 PM
- Friday: 8:00 AM-11:00 AM
- Friday: 1:30 PM – 5:30 PM
Additional meetings outside these times may be arranged upon request and availability
Dr. Wayne Johnson
Assistant Professor of Mathematics and Data Science
Fall 2026 Office Hours
Monday: 8:30am-9:20am and 10:30am-12:20pm
Tuesday: 9:30am-10:20am and 1:30pm-2:50pm
Wednesday: 10:30am-12:20pm
Thursday: 9:30am-10:20am and 1:30pm-2:50pm
Dr. Hyun-Joo Kim
Professor of Statistics; Department chair, Health Sciences; Program Director, Data Science
M 9:00-12:00 TR 11:00-12:00 and 1:30-3:00 other times by appointment
Personal zoom link https://zoom.us/j/4193527593
Dr. Kafi Rahman
Associate Professor of Computer Science
For additional office hours, please email and make an appointment
In person office hours:
TThu: 2:30pm - 3:20pm
MW: 8:00am – 9:20am and 11:30am – 12:20pm
Online only office hours via Zoom: TF: 8:00am – 9:20am
Dr. Gayathri Sadanala
Assistant Professor of Computer Science
MW: 9:30 AM - 10:30 AM, 11:30 AM -12:30 PM, 2:30 PM-3:30 PM
F: Virntual Hours, by appointment only.
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. Nazmul Shahadat
Assistant Professor of Computer Science
My Office Hours (Fall 2026):
MW: 10:30 AM - 11:30 AM & 2:30 PM - 3:00 PM
Tuesday: 1:00 PM - 1:30 PM & 2:30 PM - 3:00 PM
Wednesday: 3:00 PM - 5:00 PM (Online)
Thursday: 11:30 AM - 1:30 PM (By Appointment)
Friday: 10:30 AM - 11:30 AM & 12:30 PM - 1:30 PM
Dr. Carol Thatcher
Professor of Statistics
Office Hours for Fall 2026
MF 8:30-10:50 am
W 10:00-10:50 am, 2:00-3:00 pm
TuTh 10:30-noon
Zoom only: Thurs. 6:30-7:30 pm (preference to PDAT 622 students)
Dr. Scott Thatcher
Professor of Statistics
Fall 2026 General Office Hours (in person and via Zoom):
M 1:00--3:00; T 10:00--11:30; W 9:00--10:00, 1:00--2:00; Th 10:00--11:30,
F 1:00--3:00, 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 2026 Office Hours:
Mon. to Fri. (By Appointment or walk-in)
MWF:
11:00AM – 12:00PM;
13:00PM – 14:00PM;
16:00PM – 17:00PM
TR:
14:00PM – 17:00PM
Or you can email me your best avaialble time.
Zoom meeting link:
https://truman-edu.zoom.us/j/8547872384
The meeting ID:
854 787 238
Denice Blaine
Administrative Assistant
Fall 2026 Hours of Availability:
Denice will be available Monday -Friday: 8:00-12:00 p.m. in Pershing 2114
Lunch Break: 12:00-1:00 p.m. Monday -Thursday
Denice will be available Monday -Thursday: 1:00-4:00 in Magruder 3072
Dr. Carolyn Cox
Professor of Health Science
Fall 2026 Office Hours:
M-F=9:30-10:30 a.m. & 3:30-4:30 p.m.
Dr. Hyun-Joo Kim
Professor of Statistics; Department chair, Health Sciences; Program Director, Data Science
M 9:00-12:00 TR 11:00-12:00 and 1:30-3:00 other times by appointment
Personal zoom link https://zoom.us/j/4193527593
Dr. Nancy Daley Moore
Associate Professor of Health Science
Fall 2026:
Mondays: 1:30 - 5:00 pm
Tuesdays: 8:30 - 10:30 am
Wednesdays: 9:00 - 11:30 am
Thursdays: 3:00 - 5:00 pm (online only)
For office hours, you can drop by my office or sign up for an appointment on Calendly.
Dr. Rolena Stephenson
Associate Professor of Health Science
Fall 2026:
Mondays: 8:00 - 10:00 am, 1:30 - 3:30 pm
Wednesdays: 8:00 - 10:00 am, 2:00 - 4:00 pm
Tuesdays & Thursdays (by appointment only): 12:30 - 1:30 pm
Dr. David Garth
Mathematics Department Chair; Professor of Mathematics
Office Hours (In person or via Zoom)
MWR 1:30-3:30
TF 9:30-11:30
Zoom: You can log in using the link
Dr. Ian Gossett
Assistant Professor of Mathematics
Fall 2026 office hours: Mon/Tue/Wed 2:30-5:30 pm & Fri 2:30-3:30 pm
Dr. Anna Halfpap
Assistant Professor of Mathematics
Fall 2026 Office Hours
Monday: 10:30-11:20
Tuesday: 10:30-11:20 and 1:30-3:20
Wednesday: 10:30-11:20
Thursday: 10:30-11:20 and 1:30-3:20
Friday: 9:00-10:00 and 11:00-12:00
Dr. Wayne Johnson
Assistant Professor of Mathematics and Data Science
Fall 2026 Office Hours
Monday: 8:30am-9:20am and 10:30am-12:20pm
Tuesday: 9:30am-10:20am and 1:30pm-2:50pm
Wednesday: 10:30am-12:20pm
Thursday: 9:30am-10:20am and 1:30pm-2:50pm
Dr. Stephen Lacina
Assistant Professor of Mathematics
Monday 2:30-4:30pm
Wednesday 9:30-11:20am and 2:30-4:30pm
Thursday 12:30-1:20pm and 3-5pm
Friday 9:30-10:20am
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. Derek Sparrius
Assistant Professor of Mathematics
Monday: 9:00-10:30 AM
Tuesday: 9:30 AM - 12:00 PM, 3:30-4:30 PM
Wednesday: 9:30-10:30 AM
Thursday: 10:30 AM - 12:00 PM, 3:30-4:30 PM
Friday: 9:00-10:30 AM
Dr. Dana Vazzana
Professor of Mathematics and Director of Academic Professional Development
Office Hours Spring 2026
VH 2144
Monday: 2:30-3:20
Tuesday: 12:30-1:20, 2:30-3:20
Friday: 11:30-2:30
Dr. Tony Vazzana
Professor of Mathematics
Mrs. Vanessa Williams
Instructor of Mathematics
Campus Office Hours
MWF: 12:15pm - 1:15pm
TR: 12:00pm - 2:30pm
Zoom Office Hours
Wednesday and Thursday:
Meeting ID: 820 7168 0058
Passcode: 917088
Dr. Debashis Basu
Assistant Professor of Chemistry
Office Hours (Fall 2026):
Mon, Tue, Wed: 3:00 PM – 5:00 PM (MG 3112)
Tue: 1:30 – 3:00 PM (CCC – MG3090)
Ian Clark
Assistant Professor of Physics
General Office Hours: MWF 1:30 PM - 2:30 PM; R 10:30 AM - 11:30 AM
Dedicated PHYS 132 Office Hour: M 2:30 PM - 3:30 PM
Dedicated PHYS 185 Office Hour: W 2:30 PM - 3:30 PM
You can also stop by any time my office door is open. Other times can also be arranged by appointment.
Dr. Colin DeGraf
Assistant Professor of Physics
Fall 2026 (subject to change):
Mon: 10:30-11:20, 1:30-2:20
Wed: 10:30-11:20, 1:30-2:20
Thur: 1:30-3:20
Fri: 10:30-11:20, 1:30-2:20
Dr. Hanbo Hong
Assistant Professor of Chemistry
Fall 2026:
Mon: 3 ~ 4:30 PM, MG 3090 (Chemistry Contact Center, "C3").
Tue, Wed, Thu, Fri: 3 ~ 5 PM, MG 3144
Open to PChem students only: Mon, 5 ~ 6:30 PM, MG 1090
Dr. Tim Humphry
Associate Professor of Chemistry
For FA26, my office hours are MWF 9:30-10:30 and 11:30-12:30, and thursday 12:30-1:30. For students in my classes, my office hours are effectively 24h a day via GroupMe. If you want to meet on a different time or day, send me an email or a GroupMe and we will set it up.
Dr. Rasanjali Jayathissa
Assistant Professor of Physics
M 11.30 -12.30 and 3.30 - 5.00
W 11.30 -12.30 and 3.30 - 5.00
R 3.30 - 5.00
F 12.30 -1.30 and 3.30-5.00
Dr. Andrew Kauffmann
Assistant Professor of Chemistry
MWF: 9:00 AM - 10:00 AM
T: 9:00 AM - 12:00 PM
WF: 3:30 PM - 4:30 PM
Dr. Barbara Kramer
Professor of Chemistry
Current office hours are at http://bkramer.sites.truman.edu/schedule/
Dr. Brian Lamp
Interim Associate Dean; Professor of Chemistry
Current office hours are at http://blamp.sites.truman.edu/current-schedule/
Dr. James McCormick
Associate Professor of Chemistry
Monday, Wednesday, Friday: 9:00 AM - 12:00 PM.
Wednesday: 3:00 PM - 4:30 PM Chemsistry Contact Center MG 3090.
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. Peter Ramberg
Professor of History of Science
MTWF: 10:30-12:00 (Monday in the Chemistry Contact Center, 11:00-12:20)
Or by appointment. Zoom or in-person.
Dr. Urvashi Urvashi
Assistant Professor of Chemistry
Office (MG 3140): We want to support your success! Don’t hesitate to reach out with any questions or concerns.
M: 9:30-10:30 AM, 3:00-5:00 PM; F: 1:30-2:30 PM; W: 9:30-10:30 AM, 3:00-4:00 PM; W (C^3): 1:30-3:00 PM
Appointments are also available! Zoom sessions are encouraged
Dr. Tim Wiser
Interim Chair of Physical Sciences; Associate Professor of Physics
(Fall 2026)
Open Office Hours:
MTW 9:30a–10:20a
MW 1:30p–3:20p
RF by appointment
For 1-on-1 office hours or advising:
Book time with Dr. Wiser
