Blockstream CEO and leadership

Adam Back (born July 1970) is a British cryptographer and cypherpunk. He is the CEO of Blockstream, which he co-founded in 2014. He invented Hashcash, which is used in the Bitcoin mining process.

Prior to co-founding Blockstream, I worked for 10 years in the finance industry and 10 years as a co-founder, consultant, and employee of multiple start-ups. Most recently, I co-founded Dan’s Plan, a health technology company, and consulted for dozens of start ups on fundraising, strategy, and operations. I'm also the father of 2, a little league coach, amateur DJ and Quantified Selfer.-- Blockstream: Co-Founder and VP of Finance and Operations - San Francisco, CA-- Finance and Strategy Consultant for start-ups and mid-sized companies.-- Dan’s Plan: Co-Founder and COO - San Francisco, CA-- AIG: Vice President, Private Placement Group - San Francisco, CA -- John Hancock: Director, Bond and Corporate Finance Group - Sacramento, CA-- DoubleTwist, Inc: Director, Business Development - Oakland, CA

Since 1996, I have been working to improve security and privacy. I started as a computer security/infosec researcher, building products, publishing and presenting research at top tier industry forums (BlackHat, CanSecWest, Phrack). Since 2014, have been focused on Bitcoin/blockchain as chief security officer at Blockstream and River Financial. Specialties: Computer Security, Network Security, Software development, Reverse engineering, Vulnerability research

Lawrence Nahum is a technology entrepreneur, Bitcoin expert and executive with a strong focus in bringing innovative and disruptive tech to market.

Lawrence is working at Blockstream as Chief Architect. Previously, he was CEO and founder of GreenAddress (https://greenaddress.it), a prime, Bitcoin services company that offers the industry's first and most advanced multi-signature Bitcoin wallet.

Before getting involved with Bitcoin and Blockchain Lawrence was a technology Vice President at OTC financial services leader Markitserv where he led various products and technology teams and directed other strategic initiatives for the company.

Lawrence holds a first class BSc Computer Science with Distributed System from London City University.

Specialties: bitcoin, innovation, technology, internet, mobile apps, full development cycle management and team values.

Adam Back (born July 1970) is a British cryptographer and cypherpunk. He is the CEO of Blockstream, which he co-founded in 2014. He invented Hashcash, which is used in the Bitcoin mining process.

Prior to co-founding Blockstream, I worked for 10 years in the finance industry and 10 years as a co-founder, consultant, and employee of multiple start-ups. Most recently, I co-founded Dan’s Plan, a health technology company, and consulted for dozens of start ups on fundraising, strategy, and operations. I'm also the father of 2, a little league coach, amateur DJ and Quantified Selfer.-- Blockstream: Co-Founder and VP of Finance and Operations - San Francisco, CA-- Finance and Strategy Consultant for start-ups and mid-sized companies.-- Dan’s Plan: Co-Founder and COO - San Francisco, CA-- AIG: Vice President, Private Placement Group - San Francisco, CA -- John Hancock: Director, Bond and Corporate Finance Group - Sacramento, CA-- DoubleTwist, Inc: Director, Business Development - Oakland, CA

Since 1996, I have been working to improve security and privacy. I started as a computer security/infosec researcher, building products, publishing and presenting research at top tier industry forums (BlackHat, CanSecWest, Phrack). Since 2014, have been focused on Bitcoin/blockchain as chief security officer at Blockstream and River Financial. Specialties: Computer Security, Network Security, Software development, Reverse engineering, Vulnerability research