The Kibars – $2.8B
The Kibar family, under the leadership of Osman Kibar, is important in the biotech industry. He founded a biotech firm called Samumed, which zoomed in on anti-aging drugs. The firm has a value of $12.4 billion! He managed to raise $438 million in the summer of 2018 and went on to found two more companies, though he did not go into a management position this time around. Although originally owned by Pfizer, Samumed is now independent after a falling out.

The Kibars – $2.8B