During the Fall 2026 semester Professor Geissler will hold office hours during these times unless otherwise announced:
Tuesdays: 10:30 AM - 12:00 NOON (room BS-137 and via Zoom)
Wednesdays: 9:30 AM - 10:50 AM (via Zoom)
Thursdays: 10:30 AM - 12:00 NOON (room BS-137 and via Zoom)
To meet with Professor Geissler during these office hours, click here to start a Zoom session. Note: Professor Geissler will be notified when Zoom assigns you to the waiting room, and he will admit you to the Zoom session when he becomes available.
If you wish to meet with Professor Geissler in person or outside of his scheduled office hours, please send him a Canvas message (current students) or an email message with your availability to markus.geissler@crc.losrios.edu (past students, future students, industry partners, academic partners, etc.) to request an appointment.
Professor Geissler's office is room BS-137, located on the north side of the Business & Social Science (BS) building facing the Science building, on the main campus of Cosumnes River College. The parking lot closest to room BS-137 is Lot D on the south side of campus.
You are welcome to send Professor Geissler your questions, comments, or requests via Canvas Message, phone or email using the contact information below.
Canvas Message: https://apps.losrios.edu
Office phone: +1-916-691-7239
(Please leave a message if calling outside of office hours.)
Room BS-137
(Business & Social Science building),
Cosumnes River College (main campus)
Prof. Markus Geissler, PhD
Business & Computer Science
Cosumnes River College
8401 Center Parkway
Sacramento, CA 95823
U.S.A.