Grumpy Old Geeks People MacKenzie Bezos Person MacKenzie Bezos 2 mentions in 1 episode A philanthropist discussed in connection with a pledge to give away half of her wealth. Mentions 349: Pika-Poo Jun 1, 2019 1:01:22 Mackenzie is going to give away half of her $36 billion. 1:01:39 Five Mistakes Mackenzie Bezos and Other Mega Donors Should Avoid.