Stephan Zell is a Staff Quality Engineer at Si-Bone, Inc.. He possess expertise in manufacturing, manufacturing engineering, engineering management, design of experiments, failure analysis and 23 more skills. He is proficient in German. Colleagues describe him as "It is always great to work with Stephan. Working with Stephan as a supplier for more than 2 years and he is detailed orientated and he used different approach to develop his supplier to achieve his goal. Stephan is a very approachable person, and understanding of the big picture and most importantly a gift of sharing his knowledge."