Daily, Virtual Drop-in Hours with the HIO (Monday- Friday, excluding holidays):

Various HIO staff members
An HIO Advisor-on-Call will be available via Zoom during the following dates/times:

• Monday – Friday from 9:00 a.m. – 10:00 a.m.
• Monday – Friday from 4:00 p.m. – 5:00 p.m.

Extended OPT/ STEM OPT advising hours:
February 9- May 1, 2026
Monday, Wednesday, Friday from 3:00p.m.- 4:00p.m.

Please note that all times are Eastern Time, and exclude holidays. This service is offered via Zoom on a first-come, first-serve basis, and is intended for multiple international students and scholars with quick questions about standard advising topics, including travel, OPT, STEM OPT, Social Security Numbers, etc. To access the Advisor-on-Call waiting room during these times, please use the meeting link below:

Meeting Link

Individual Appointments

Kathleen McCarthy (Family name beginning with A-L): Calendly Link

Ducis Viard (Family name beginning with M-Z): Calendly Link

If there is a lengthy wait for an appointment, please consider using the resources above such as Drop-in Hours or the HIO Pop-up at HBS.