Org Mindset Podcast with Jeff Hallett: Leadership that Supports Lean-Agile Transformation By AlexYakyma | November 26, 2017 0 Comment Done! With me this time I had Jeff Hallett, enterprise coach and transformation agent. We talked about leadership attitudes and mindset and how those influence the transformation. Click the image to go to the podcast page. By Alex Yakyma, Org Mindset.