Guillaume COMPLAINVILLE is a seasoned professional with extensive experience in design, process excellence, and change management within the financial services industry. Currently serving as the Global Head of Design and Process Excellence at Standard Chartered since March 2025, Guillaume's prior role as Head of Change Delivery Management at Barclays involved leading transformation initiatives to enhance value creation and career opportunities for change professionals. Guillaume has held several senior positions at Barclays, focusing on strategic overhauls in various functions and delivering significant improvements in compliance, financial crime, and operational performance. With foundational expertise gained from roles at Merrill Lynch, Lehman Brothers, and as a Principal Consultant at PricewaterhouseCoopers, Guillaume also possesses a solid educational background, including a master's degree in International Business from Sciences Po and a bachelor's degree in Finance from Université Paris Dauphine - PSL.
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