Who are the leading global thought leaders in payments?

Here would be my list (in no particular order):

• Carol Coye Benson (Glenbrook Partners)
• David Marcus (Facebook Messenger)
• Rob von Behren (Braintree, formerly, one of the developers of Google Wallet)
  
• Ben Milne (Dwolla)
• Dave Birch (Consult Hyperion)
• Jack Doresy (Square)
• Patrick Collison (Stripe)
  
• Pony Ma Huateng (Tencent / WeChat CEO)
  
• Jack Ma (CEO AliPay / Alibaba)
• Nadeem Hussain (CEO Tameer Bank)
• Justin Ho (formerly CEO of Utiba)
• Chris Skinner (Financial Services Club)
• Susie Lonie and Nick Hughes (of M-PESA, yes, they designed it)
  
• Brett King (Moven)
• Chris Larsen (Ripple Labs)
• Matthias Kröner, CEO of Fidor Bank AG
  
• Mary Carol Harris (formerly of VISA Mobile, now at Apple Pay)
• Brian Roemmele, our resident payments batman!
• Marion King (MD RBS)
• Kristo Käärmann and Taavet Hinrikus (both TransferWise)
  
• Satoshi Nakamoto :P
• Leslie Berland (American Express)
• Dilip Ratha (Lead Economist, World Bank)
• Howard Schultz (Starbucks)
  

and so many more that I am sure I have missed.