Piszel succeeds Stacey Hoisak who becomes president and chief legal officer at the company.
Feroz left his role at Coinbase in August 2020 and has since taken on several advisory roles in the crypto space.
Matthew Boseo will be responsible for global event production at the Los Angeles-based blockchain venture fund.
BitMEX said the appointment forms part of the firm's "beyond derivatives" strategy.
Coinbase has been on a recruiting drive, hiring from some of the world's largest companies.
Thomas Hook, who has extensive risk and compliance experience, is charged with maintaining a dialogue with global regulators.
Arjun Sethi has become Kraken's third board member.
Ian Rooney clocked almost 10 years at Morgan Stanley.
Alwyn Jones is the latest in a group of digital banking executives to join crypto firms.
“We believe our industry is at an inflection point as we participate in a once in a lifetime secular shift," said CEO Mike Novogratz.
Toshihide Endo was commissioner of the Financial Services Agency (FSA) from 2018 to 2020.
Google veteran Aparna Chennapragada will oversee all product, design and research.
The exchange is soon to launch an invite-only NFT platform which it says will feature top artists and sports stars.