Gregory Maxwell - SEGWIT

• Early contributor to Wikipedia
• Worked for the Mozilla Foundation
• Bitcoin developer since 2011, current CTO of Blockstream

Roger Ver - UNLIMITED

• Founded MemoryDealers.com, which saw him become a millionaire by the time he was 25
• Began investing in bitcoins in early 2011, it is said he has 300.000 bitcoins
• Was in prison for selling explosives, relinquished the American nationality

Adam Back - SEGWIT

• Computer Science Ph.D. from University of Exeter, England.
• Cited in Bitcoin's paper for Hashcash POW
• Current CEO of Blockstream

Jihan Wu - UNLIMITED

• Studied Economics and Psychology in Peking University.
• Co-founder of BITMAIN (Bitcoin Mining Hardware Supplier)