JCK is the global leader of McKinsey’s Growth Practice and a member of our global marketing & sales (M&S) executive operating committee. With AI offering a massive opportunity to pivot growth trajectories, he helps clients holistically rethink and rewire their M&S operations to identify and systematically unlock new dimensions of growth, even in stagnating markets. Bringing together the best of McKinsey’s 1,000-strong global team of AI, digital, and technology practitioners, and combining it with the deep track record of our global Growth Practice, JCK force-multiplies client growth.
Over the past two decades with McKinsey, JCK has worked at the forefront of digital and AI disruption across the automotive, industrials, and high-tech industries, unlocking above-market growth across Europe, the US, China, the Middle East, and Africa. His areas of expertise include holistic performance transformations, AI-enabled growth transformations, growth strategies, go-to-market overhauls, and sales acceleration.
Examples of his recent client work include:
- transforming the growth trajectory of a leading industrial player by rewiring its commercial operations with AI
- accelerating AI-enabled growth for a global machinery manufacturer
- orchestrating an end-to-end growth strategy and boosting sales operations for a leading global automotive manufacturer
- redefining the go-to-market model of a leading premium automotive original equipment manufacturer (OEM), transitioning from traditional wholesale to an AI- and technology-enabled direct-to-consumer (D2C) approach
- driving improved sales productivity for a leading commercial vehicle dealer group by integrating AI into its M&S technology stack (Salesforce)
- reshaping the M&S organization of a global telecommunications company to drive above-market growth through enhanced customer-centricity
- unlocking short-term profitability for a leading high-tech network provider through a targeted sales- and margin-push program
- boosting profitability for a volume automotive OEM by accelerating traditional product marketing through AI
- developing the global M&S strategy for an automotive OEM to successfully embrace digital disruption.

