Karen Lellouche Tordjman has over two decades of experience at Boston Consulting Group. She currently heads BCG's global customer experience initiatives, driving the transformation of customer experience strategies with an emphasis on digital customer journeys, e-commerce, omnichannel solutions, loyalty programs, and the enhancement of customer satisfaction and measurement. She is committed to fostering a culture of customer centricity.

In her role at BCG X, the firm's tech build and design unit, Karen serves as a global leader for CX for Growth, a domain dedicated to creating world-class end-to-end customer journeys to boost top-line growth.

Karen is a BCG Henderson Institute fellow, and a core member of the firm’s Marketing, Sales & Pricing and Industrial Goods practices. In addition, she spearheads the automotive sales and marketing work within the Industrial Goods practice.

Karen has extensive experience with new technologies and their role in shaping customer experience. Her portfolio includes projects in a variety of industries, with a concentration on digital and data transformation throughout the entire value chain. This includes digital marketing, e-commerce, customer relationship management (CRM), personalization, digital and omnichannel customer journeys, data analytics, artificial intelligence (AI), digitization of the supply chain, and IT transformation. 

Karen was recently honored as one of The Consulting Report's Top 25 Marketing and Sales Consultants and Leaders, securing the top position on the list for 2023.


  • MA, finance and accounting, HEC Paris


  • Consulting Report's Top 25 Marketing and Sales Consultants and Leaders for 2023