600 Consulting leads and manages three related disciplines for boards and executives navigating major change: Operating Model & Process Architecture, Transformation & PMO Leadership, and M&A Transition & Integration. Each is delivered personally, with change management and benefits realisation built in from day one, not bolted on afterwards — and every engagement draws on the same grounding: Lean Six Sigma method, structured change management using the Prosci ADKAR model, and quantified, tracked delivery.