Just one day after he stepped down from GE's top job, I got the chance to talk with Jeff Immelt and hear what he’s learned about leading during times of change. Here are three ideas that I took away.

For big organizations especially, the pressure to change—to adapt to new market pressures and seize unprecedented opportunities—is high. That’s why I sat down at this year’s Minds & Machines conference in San Francisco with four experts from around the world who have led change in their own organizations, especially in the face of digitization... Here’s a distillation of their advice to changemakers everywhere.

We’re living in what I call The Emergent Era—a period defined by the emergence of new ways of working, governing, and living. Even though these new patterns aren’t fully formed yet, the systems they’re replacing are waning and in some cases gone completely.