Anyone who's ever worked with you can be a reference. It's normal to choose someone other than your immediate superior as a reference, especially if you're int

Anyone who's ever worked with you can be a reference. It's normal to choose someone other than your immediate superior as a reference, especially if you're interviewing elsewhere while still employed there. Anyone who insists specifically on speaking to your previous (or current!) supervisor is nuts. Never had that happen at any time in my long career.