Esther draws on four decades of experience leading, observing, and living through organizational change. Esther started her career as a programmer, and quickly realized that while her job description referred to computers, her real work involved changing the way people worked, and supporting them though that process. In 1997, she founded esther derby associates, inc., and works with a broad array of clients from Fortune 500 companies to start ups. Her approach blends attention to humans and deep knowledge of complex adaptive systems.