The interim chief could serve at least six months.
He himself is only an interim chief and does not know when a permanent representative will be appointed.
Martin Pomeroy has served as the interim chief since last spring.
An immediate task is to name an interim chief.
For a short period she is made interim acting chief of emergency medicine until a suitable replacement was found.
Steve Belcher was retained as the interim chief and brought nearly 40 years of law enforcement experience.
Mr. Donaldson said he would not be a temporary or interim chief.
The commission, which is searching for a permanent replacement, is expected to name an interim Chief within a few weeks.
He also served as interim chief of police at the Rutgers Newark campus for four months last year.
Mr. Maskaly has stayed on as interim chief until a replacement is found.