Background: My boss is Sam. His ex-peer Elaine has recently promoted to Managing Director and became his direct boss. It an be understood that Sam was not happy with her promotion.
Situation: Today, Elaine (my boss' boss now) asked me to have an 1-to-1 with her tomorrow. She mentioned something about "inefficiency in your department" and commented the personalty of my boss as "not willing to listen to others' opinion".
My Question: I don't know how to handle this 1-to-1 because my boss is on 3 week vocation now. Should I let him know the existence of this discussion? Should I talk to him beforehand?
My heart: I like Sam very much as a boss. He is responsible, open-minded, he steps up to protect me when required, gives me a lot development opportunity, and he is smart. He is actually my role model and I would like to follow him if he moves to other companies. I quite lean to telling him beforehand to see what he wants me to mention in the 1-to-1 with Elaine. My worry is that, this motion is not appropriate/professional. I will end up upseting both Elaine and Sam. What do you think?
What will you do if you were me?