Bob Iger speaking at a Disney event, with a Disney logo in the background.

Bob Iger is no longer Disney’s chief executive. The 69-year-old leader who turned the company into Hollywood’s dominant force stepped down Tuesday after more than 15 years. His replacement is Bob Chapek, a 27-year company veteran. Iger will stay on as executive chairman, directing creative work until his contract ends in December 2021.

The handoff comes at a brittle moment. Disney’s streaming service is live and competing directly with Netflix. The company has spent billions acquiring Star Wars, Marvel, and 21st Century Fox assets. Those bets paid off. But the ground has shifted. Streaming is expensive. Content acquisition is a war. And the industry’s old certainties — theatrical releases, cable bundles, theme park attendance — are no longer safe bets.

Chapek inherits all of that. He also inherits Iger’s shadow. That shadow is long. Iger engineered the purchases that gave Disney control of two of the biggest film franchises on earth. He pushed the company into direct-to-consumer streaming. He made Disney the undisputed Hollywood leader. Those are not small shoes.

The board chose an insider. Chapek has spent 27 years at Disney. That means continuity. It also means the new CEO knows the company’s culture, its politics, its internal strengths and weaknesses. He will not need a learning curve. He will need a strategy.

What is at stake is straightforward. Disney’s streaming service must grow. It must hold subscribers against Netflix, Amazon, and a wave of new entrants. The company must also manage the costs of its content library — Star Wars movies, Marvel series, Fox television shows — without bleeding profit. And it must do this while Iger, still present as executive chairman, directs the creative side. That arrangement could work. It could also create friction. Two Bobs at the top. One leaving, one arriving. Both with strong opinions.

The timing is notable. Iger steps down after a period of major strategic moves. The acquisitions are done. The streaming service is launched. The company’s position is strong. But the entertainment business is not stable. It is shifting fast. The old revenue streams — box office, cable, DVDs — are shrinking. The new ones are not yet fully proven. Disney’s market standing is real. But standing still is not an option.

Chapek’s job is to keep Disney moving forward without tripping over the legacy of the man who built its current perch. That is a hard task. Iger’s tenure was defined by bold bets. Chapek’s tenure will be defined by execution. He must make the streaming business profitable. He must integrate the Fox assets. He must keep the creative engine running even as the corporate structure changes.

The board clearly believes Chapek is the right person. They picked him over outside candidates. They picked him over other insiders. That vote of confidence is real. But confidence does not guarantee results. The streaming war is expensive. Content costs are rising. Competition is fierce. And Disney’s shareholders will want to see returns.

Iger’s exit is not a retirement. He remains executive chairman. He will still shape the company’s creative direction. That means the transition is gradual, not abrupt. It is a managed handoff. But handoffs are risky. The new CEO needs room to lead. The old CEO needs to let go. That balance is delicate.

For now, Disney has a plan. An insider at the top. A veteran in the wings. A streaming service in the fight. The next 18 months will show whether that plan holds.