Patrick van Abbema (www.AltNexus.com) is an expert on Agile. He holds a PMP and a CBAP designation and has a strong ‘real world’ view of our work. He has, what I consider to be a very unique approach to agile and the very difficult move into Agile. All PMs and BAs should understand Agile. But be very clear: it is not a replacement but rather an alternative to waterfall.
The Keys to Our Success is available on Amazon.com in hard copy or e-version. https://ow.ly/PPXtB