Testimonial Senior Finance Manager, National Instruments
Mark’s diagrams and doodles were always helpful and very often got to the heart of an issue that had eluded us. I found myself re-using his diagrams in subsequent training, as I found it so helpful in explaining a point.
We were always challenged and sometimes, as a result of Mark’s timely intervention, realised we were wrong in our approach.
Pat Mullen, Senior Finance Manager, National Instruments