The Lean Shift: How Private Equity Is Trading Leverage for Operations

John Stewart, founder of MiddleGround Capital, epitomizes this transition. Unlike traditional financiers, Stewart began his career as an hourly worker on a Toyota factory floor. His ascent to leading Toyota’s largest European division informed his belief that genuine value originates in supply chains and workforce engagement. MiddleGround now staffs its team with industrial experts who focus on continuous improvement—the Japanese philosophy of Kaizen—to boost productivity in under-optimized companies.

This operational focus relies on automation and standardized processes rather than aggressive cost-cutting. By deploying in-house automation teams to identify safety and production gains, firms like MiddleGround, Core Industrial Partners, and American Industrial Partners are proving that profitability can be built from the ground up. This model offers a buffer against economic volatility, as returns become less tethered to favorable financing conditions.

However, scaling this approach remains a complex undertaking. Implementing lean techniques requires significant resources, deep industrial knowledge, and the patience to oversee systemic change. While traditional deal-making still has its place, the industry’s pivot toward ethical execution and operational expertise is reshaping how companies are bought, managed, and eventually sold.