Professional summary

David Siegel pioneered the field of web design and wrote 4 books about the Web, one of which remains's longest-running #1 bestseller. He has given over 120 professional speeches, consulted to Fortune 500 and government, built one of the first web design and strategy firms (sold to KPMG), and has been an angel investor/advisor, board member, and strategist. His focus is on business agility: experiments, measurement, and evidence-based decisionmaking.

David helps companies apply agile methods to do experiments, improve analytics, empower people, recognize cognitive biases, make better decisions, appreciate the role of luck in business, use evidence rather than stories, build a balanced portfolio of projects, manage uncertainty and

Engagement overview

Strategy and portfolio work can take anywhere from a few weeks to several months. My goal is always to deliver measurable results in short sprints and keep adjusting the goal as we go.


David has been a high-level management consultant to companies like
• Sony
• Hewlett Packard
• Amazon
• Office Depot
• Motorola
• Lucent
• Travel Planet
• Intel
• many start-ups

Case Studies

For a $6b international fund I recently wrote a business plan for building materials and a factory in the SE Asia region. The plan is very robust, relying on several sources of income: retail, services, and factory products. In this location, it's relatively easy to integrate vertically and capture early market share. Everything in this plan reinforces the other, and the plan is prepared against m... Read more

I have been conducting decisionmaking workshops since early 2013. This has evolved to an all-day workshop. The morning is spent looking at defects in our decisionmaking processes. The afternoon is exercises and frameworks for making good decisions. The emphasis is on Bayesian decisionmaking with measurement and evidence clearly defined. Dark chocolate and lunch are served. .. Read more