About Us II

Using easy Lean Principles and several years of practical experience, we can help grow your company and ultimately pass the competition. Working together with you and your team members, we will grow a culture of change, innovation and self led problem solvers who develop creative and sustainable solutions for your everyday problems.

Position: President & CEO
Years of experience: 15
Nashville, Tennessee Area

Mr Donnerstag holds a Master’s in Business Administration and compliments this with a technical B.S. in Industrial Engineering. Throughout his career, he led both large and small organizations. David’s success is a culmination of 20+ years of practical leadership experience and continued education, Many of his achievements are a direct result of his dedication to our most valuable resources, people. He also believes a key component to success is remaining current in emerging technologies, business system applications, and continuous learning.

Our Vision

Leanset will disrupt the business consulting market by offering to our customers STRATEGIC, SIMPLE and SUSTAINABLE solutions at a competitive price.

Our Mission

To tangibly Improve our customer’s performance in a strategic, simple and sustainable manner.

Supporting Vision Elements

Our Vision will be achieved through carefully hand selecting personalized business solutions meeting each customer’s individual needs; not a “one size fits all” approach.

​Our desire is to offer innovative solutions which are STRATEGIC, SIMPLE, customizable, scalable, SUSTAINABLE, and transparent throughout the entire organization.

Marketplace Perspective

  • We believe coaching is a business driven by individual professionals and their sphere of influence.
  • We believe the business coach must be honest, flexible, personable, and dedicated to serving the customer’s needs.
  • We believe our coaches must be thought leaders.
  • We believe our growth will come by serving our customers through our core values.
    We believe in practising what we preach!

Our Clients