David Field is an acknowledged expert in clearing and collateral management with over 20 years financial services consulting experience. He has advised clients across buy-side, sell-side, CCPs and custodians on strategy, operating model and technology change. David is a regular contributor at clearing and collateral forums. In 2014 he founded The Field Effect, a boutique consultancy specialising in target operating model, roadmap and change programme design, with deep experience clearing and collateral. Previously David was a main board member of Rule Financial, now GFT.