Apparently, this user prefers to keep an air of mystery about them.
4 Setting section of ModelBuilder model as optional but also as precondition to later steps? Nov 13 '13
4 Using “managed” intermediate data in ModelBuilder - ArcGIS - what are the benefits? vs the costs of not using in-line variable substitution Dec 12 '13
3 Why does closing and re-opening ArcCatalog before running an ArcGIS modelbuilder model improve stability and can this be replicated in the model? Sep 1 '15
2 Why and How does copying and pasting a “problem” model with errors in it into a new empty model fix the model (ArcGIS, ModelBuilder) Feb 17 '14