Presentation of Poyry ExGap continuous improvement system at Woodex conference with me as the speaker. Attached. In Russian.
Poyry – Alexey Beschastnov 25112015 – Continuous improvement ExGap – PDF
Long story short: ExGap is similar to Lean while much more reliable. Why? Learn Russian and read in the attachment. OK, you can just email or call me if this way is easier for you.