We have recently had a new head teacher appointed. Within the first couple of weeks they said to me that "teaching is a young persons' game" (I am about 20 years older than they are). I feel that her attitude towards me is negative. I am ignored most of the time and feel sidelined. I often miss out on information that other staff are party to. I am concerned that this negative attitude will manifest itself in a negative appraisal or lesson observation. I feel I should make my concerns known now as if I mention them after any negative feedback it would sound like sour grapes. Whom should I speak to - the chair of governors? I could speak to my Union but I don't want to escalate things unnecessarily. Advice appreciated.