The Science of Getting Testing Right

Learn the real best practices and pitfalls of experimentation based on scientific research and insights. Hazjier is co-author of three studies on experimentation with Harvard Business School and his work is covered in the book Experimentation Works. This talk will dive into the best practices of experiment design, the role of hierarchy in experimentation teams, and the value of experimentation.


Hazjier is the Chief of Staff, and VP of Strategy & Value at Optimizely, specializing in go-to-market transformations, digital customer experience, customer analytics, and product strategy.

Over the last 5 years at Optimizely, Hazjier has advised experiments generating over $250 million in annual revenues for his clients, developed experimentation benchmarks that are now being researched together with Harvard Business School, and completely redesigned Optimizely’s pricing and packaging, which increased revenues by over $10 million in the first year alone. Hazjier was also the Product Manager for Metrics, where he led the development of enhanced analytics and statistics capabilities across all Optimizely products.

Hazjier began his career as a Management Consultant at McKinsey & Company, where he advised senior clients in the energy and finance sectors on corporate strategy. He studied Political Economy at Berkeley.

Hazjier Pourkhalkhali

Chief of Staff, VP of ValueOptimizely


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