Dr. Drew Sieg
Agricultural & Biological Sciences Chair and Associate Professor of Biology
Open Office Hours Via Zoom or in person (MG 3054)
MWF 1:30-3, R 1-3
Other times by app't, send me an email!
Dr. Brett Berke
Associate Professor of Biology (2015)
Spring 2026 (Zoom and F2F; https://truman-edu.zoom.us/j/3226642392)
Mon 230-420
Wed 1030-1120
Thurs 1030-1
Fri 230-330
Appointments can also be scheduled upon request
Dr. Sarah Berke
Assistant Professor of Biology
Monday 11:30 am - 12:20 pm
Wednesday: 11:30 am - 12:30 pm and 2:30-2:30 pm
Friday 11:30 am - 12:30 pm and 1:30 - 3:30 pm
Or by appointment
Ms. Emily Costello
Lecturer in Agricultural Science, Equestrian Show Team Coach
Spring 2026
9:30am-12:00 pm M-R and10am-12pm F in MG 3078, other times by appointment, office hours can be in person or over zoom (ecostello2020)
Dr. Maria Beatriz De Souza Cortez
Assistant Professor of Biology (2024)
Monday: 8:30am - 10:00am
Tuesday: 9:00am - 11:00am and 4:30pm - 5:30pm
Wednesday: 1:30pm - 3:00pm
Thursday: 11:30am - 1:30pm
Friday: 8:30am - 10:30am
For Office Hours by appointment, please email me at mbscortez@truman.edu
Dr. Laura Fielden-Rechav
Professor of Biology (1999)
Spring 2026 M,W,H,F 10.30 to 12.30 or by appointment.
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.
Dr. Bob Johnson
Assistant Professor of Agricultural Science
MWF: 10:30 -12:20 and 1:30 - 2:20
Thursday: By appointment
Dr. John Ma
Professor of Biology (2005)
Fall 2025 Office hours:
Tue/Wed 12:30 pm – 2:30 pm; Thu 12:30 pm – 1:30 pm
Dr. Stephanie Maiden
Associate Professor
Spring 2026
WRF 9-11am
(some Thursdays I have a meeting 9:30-10:20 am)
Dr. Hajeewaka Mendis
Assistant Professor of Biology (2021)
Office hours:
M - 2:30-3:30PM (By appointment only)
T - 11:30AM-12:00PM
W - 9:30AM-12:30PM, 1:30-3:00PM;
R - 10:30AM-12:00PM,
F - 9:30-11:00AM, 1:30-2:30PM
(MG3030)
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)
Dr. Chad Montgomery
Professor of Biology (2007)
M 8:30-11:30, 1:30-4:30; W 11:30-1:30; T Th 12:00-1:00
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. 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
Dr. Anton Weisstein
Professor of Biology (2004)
For Spring 2026:
Tue: 10:30 a.m. – 12:30 p.m.
Wed: 2:30 p.m. – 3:30 p.m.
Thu: 10:30 a.m. – 12:30 p.m.
Fri: 2:30 p.m. – 3:30 p.m.
Appointments recommended, but drop-ins welcome.
