It looks like they do, or at least did, allow funding for <10 hr/week:
“Group leaders may ask for funding for organizers working less than 10 hours per week using either form above, rather than having those organizers fill out a separate application.”
It looks like they do, or at least did, allow funding for <10 hr/week:
“Group leaders may ask for funding for organizers working less than 10 hours per week using either form above, rather than having those organizers fill out a separate application.”
https://www.openphilanthropy.org/open-philanthropy-university-organizer-fellowship/