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Continuing Education Programs

Meet Your Lean Six Sigma Instructors

My instructor was amazing and passionate and he really empowered me to understand the concepts so that I can confidently apply them professionally.

Thomas Dunn

Thomas Dunn

Thomas Dunn is a Lean Six Sigma Master Black Belt who has successfully led 39 company-wide Lean Six Sigma deployments and trained thousands of process improvement practitioners.  Thomas is a certified Lean Six Sigma Master Black Belt and began his career with the Danaher Corporation as a Lean sensei/practitioner in 1982. In this role he was responsible for improving the company’s overall safety, quality, delivery, and cost measures. While at Danaher Corporation, Thomas performed hundreds of 5S Events, KAIZEN Workshops, and LEAN projects. In the early 90’s Thomas increased his process improvement capabilities by obtaining a Six Sigma Green Belt, Black Belt, and ultimately a Master Black Belt certification. Through this journey Thomas became a seasoned and dependable analytical problem solver. In 1999 Thomas founded the consulting firm Dbar-Innovations.

Marshall Naulk

Marshall Nauck

Marshall Nauck is President of MHNauck Consulting, LLC., and is a Design, Lean Six Sigma Master Black Belt, Master Trainer, Program Manager, Performance Solutions Consultant.  Marshall is an Executive Leader and Design/Lean/Six Sigma Master Black belt with extensive leadership experience in employee and organizational development, business strategy development, product and process development, engineering management, strategic supply chain management, and product line management. As a Master Trainer, Marshall is adept in the area of adult education, technical training and training development. He has worked with companies throughout the US, and has taught in diverse locations in Asia, Europe, and the Middle East. Marshall’s training and consulting experience extends to most industries, and all business functions.  Alongside his consulting role, Marshall is an adjunct faculty member for the University of South Carolina, the University of Houston School of Continuing and Professional Education, and James Madison University, where he teaches both Black Belt and Green Belt programs. He is also currently a member of the SixSigma.US consulting and training team. Prior to founding MHNauck Consulting LLC, Marshall served on the Operations Executive Leadership Team for the Southwest Region of Quest Diagnostics, holding the role of Director of Process Improvement and Project Management. His team was responsible for process excellence and program management in this $800MM+ region of the world's leading supplier of diagnostic health insights. Prior to joining Quest, Marshall held the position of Associate Director of Quality Engineering for the University of Texas MD Anderson Cancer Center, one of the top cancer centers in the world. He has also held positions of Master Black Belt and Master Trainer for Cessna Aircraft Company and its parent corporation, Textron. While serving in Textron University, Marshall was responsible for the design and implementation of enterprise-wide Six Sigma and Integrated Supply Chain training programs. Rounding out his career, Marshall has held a variety of key positions in both Cessna Aircraft Company, and Honeywell, Inc, including Process Integration Leader for Integrated Product and Process Development, Commodity Team Leader, Engineering Manager, Engineering Program Manager, and Product Line Manager and Buyer. Marshall has served in the U.S. Navy and Naval Reserve where he was a Submarine Division Officer and an Engineering Duty Department Head within the Fleet Technical Support Center, Pacific. Marshall holds an M.S.E. in Electrical Engineering from Arizona State University, the equivalent of an M.S. in Nuclear Engineering through his training in the U.S. Navy Nuclear Power program, and a B.S. in Electrical Engineering from Texas A&M University. Marshall also holds a Private Pilot’s license, and has worked as a professional brass musician. He and his wife Daphne, have two daughters, Liesl and Anneliese, both teachers, and a son, Cullen, majoring in Aerospace Engineering.





I thoroughly enjoyed the class and mastering the challenge of doing the class and working at my job at the same time.

Challenge the conventional. Create the exceptional. No Limits.