My guest for Episode #531 of the Lean Blog Interviews Podcast is Dr. Melisa Buie, a seasoned operations and engineering leader with decades of experience in high-tech manufacturing.

Episode page with video, transcript, and more

Melisa has held senior roles at companies like Lam Research, Applied Materials, and Coherent, where she led large-scale Lean transformations and helped drive cultural change across global operations. With a PhD in nuclear engineering and plasma physics, Melisa brings a rare combination of technical depth and people-centered leadership to her work.

In this episode, we explore Melisa’s Lean journey — from her early days in Six Sigma to becoming a global Lean leader at Coherent. She shares how her perspective shifted from project-based improvement to empowering teams with daily problem-solving skills. Melisa discusses the critical role of psychological safety in building a continuous improvement culture, and how giving people "permission to improve" must be backed by leadership behavior and support. We also touch on the challenges of applying Lean principles in complex, low-volume/high-mix manufacturing environments and why principles still matter more than tools.

We also discuss Melisa’s book Problem Solving for New Engineers, written to bridge the gap between academic preparation and the real-world challenges engineers face in industry. She previews her upcoming book, Faceplant: Free Yourself from Failure’s Funk, which tackles the emotional side of failure and how we can grow through it. Whether you're a Lean leader, a coach, or an engineer just starting out, this episode is packed with valuable insights on leadership, learning, and making improvement accessible for everyone.

This podcast is part of the #LeanCommunicators network.