I'm on campus 3 days a week (currently Monday, Thursday, and Friday) and working remotely for the other 2, but am always available for meetings & consultations by Zoom/Google Meet, or via email.
Email: rsamet@umich.edu
Schedule a meeting with me: https://meet-with-raya.appointlet.com
If you need general library assistance, you can also contact the Mardigian Library at ask-the-mardigian@umich.edu or at library.umd.umich.edu/ask