Mr Bercow, who steps down as Speaker of the House of Commons this week, will not stand for the Buckingham seat at the next election.
So we had a look through our archive for some of his best bits! Enjoy!
1. Brain Tumour Research
Hosting a reception in honour of local charity Brain Tumour Research at Westminster Photo: BH
2. Interesting artwork...
Attending an art exhibition in aid of the Chiltern MS Therapy Centre Photo: BH
3. Election day
Attending the 2010 election count with wife Sally Photo: BH
Supporting anti-HS2 campaigners at a demonstration in Buckingham Photo: BH