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Critical Thinking and 

Complex Problem Solving Workshops


Root Cause Analysis


"Skills to help us thrive in the age of Artificial Intelligence"

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“Rob really showed us what the process of creative critical thinking can look like. The level at which he was able to connect with the groups helped us internalize the value of his lessons beyond a mere presentation or lecture. The tools he taught helped us reorganize ourselves and our understanding of our challenge, which reframed where we were and gave us a sense of where to go next.”


Drey Tengan, Princeton Class of ’20 
(Member of the team working on improving the care for the homeless in NYC) 


Prices Effective Jan 1, 2020



BD-301 Tuition: $2,000

BD-201 Tuition: $1,600

BD-102 Tuition: $1,150

BD-101 Tuition: $650

Our 2020 Price List

please contact us at:
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  • "I found myself very challenged.  Blue Dragon is very effective and more concise than any RCA system I have seen before.”

  • "We have had a severe need for this (BlueDragon) for some time.  It is the most effective and most integrated system I have seen.” 

  • "I like the fact that you (Rob) tempered all the material and case studies by asking us to put common sense and reason first.  I also like the great flexibility of the BlueDragon approach.”

  • "Even though I am new at this, your teaching method made me feel like I was on the same page throughout the past three days.”  (Youngest participant) 

  • "On day one, I honestly struggled a bit in getting on board.  I was bogged down with past methods I had been exposed to, but you quickly helped me break through all that and saw BlueDragon's utility.”  (Most senior participant and ex-Navy Nuclear Submarine Officer) 

  • "I really enjoyed the emphasis on "practical exercises" than just going by the book.” 

  • "I never had a simple formula to  RCA like BlueDragon offers up.  I feel very enriched.”

  • "I have been with my company a long time.  I always thought we needed something like this."  

  • "I really enjoyed your teaching style.  You made me feel comfortable and allowed us to be ourselves.  You are easy going and personable and that helps you to be an effective instructor.”

  • “I can’t wait to start using some of these BlueDragon tools.”  

credit cards accepted
(Click "Pay Now" and select "PAY WITH DEBIT OR CREDIT CARD" at the bottom of the page)
Checks can be made out and mailed to:
DLE Technical Services, LLC
4634 SW Long Bay Drive
Palm City, FL 34990
For group rates please contact us at:
Cancellation Policy

“On behalf of Fluor B&W Ports, I would like to offer my personal thanks for teaching your DLE Root Cause and Event Investigation course at our Piketon, OH training facilities… We sent a wide cross section of our personnel to attend the training, including managers, operators, mechanics and safety representatives, and the feedback we received has been extremely positive. You did an outstanding job of helping our personnel understand the fundamentals of causal analysis that will help us create an excellent problem solving organization. Your material was top notch and your subject matter expertise and delivery of the course content were way above average. Again, I thank you for providing excellent training that has contributed to improving our problem solving culture at Fluor B&W Portsmouth.”  




- Dennis Carr

Program Manager

Fluor B&W Porstmouth

The BlueDragon Root Cause workshops you provided at both [DUF6] sites were extremely well received by our staff as well as the DOE and their Technical

Support representatives in attendance. It increased our ability to discern and dissect our problems, and provided an important addition to the UDS “toolbox”. By more effectively identifying the causes of our issues and events we were able to target our Corrective Actions to mitigate recurrence and improve our overall performanceYour understanding and use of the BlueDragon root cause method is best-in-class and on behalf of UDS and myself, I extend my sincerest 


- Paul Kreitz


 Uranium Disposition Services

  • “I think this can revolutionize the current processes used by the Department of Energy that I work for."  (Rich R. - Sept 2016)

  • "This is an excellent course for anyone that wants to learn multiple methods to solve program, process or industry issues, and to support efficient causal analysis."  (Courtney J. - Sept 2016)

  • "A great course!  Should be folded into the Nuclear Regulatory Commission, the Department of Energy and commercial industries.  The BlueDragon approach was fantastic!  BlueDragon techniques are a great way to efficiently improve operations and safety.  They will help you complete your mission."  (Martin M. - Sept 2016) 

  • "This course brings together a collection of established and proven quality tools in a manner that can be efficiently applied in any situation with the rigor necessary to solve the problems."  (Tammy P. - Sept 2016) 

  • "Humbling experience, but a good one."  (Dave H. - Sept 2016)

  • “I was blown away. This workshop should be taught to every [college] graduating senior, to give them real-world problem solving skills.”  (Cody W. – May 2017)

  • “I will apply [to bring BlueDragon] to my students and my University.”  (Hyung K. – May 2017)

  • “Method seems to be faster than any other method being used [in the industry].”  (Erick S. – May 2017)

  • “Rob is an expert with a world of knowledge.”  (Sean L. – May 2017)

  • “It’s not easy to sit in a course for 9-hrs a day, but the workshop was so engaging that time just flew by!”  (Rebecca R. – May 2017) 





DLE Technical Services is an Approved Registered Education Provider for the Project Management Institute (PMI)