Warren Buffett bet on Alphabet to tap into the AI boom, and he’s still helping to call the shots at Berkshire Hathaway, Greg Abel says.

The legendary investor was succeeded by Abel at the start of this year after nearly six decades as Berkshire’s CEO. During a rare on-air interview with CNBC on Wednesday, Abel shed light on Buffett’s surprising tech bet and his ongoing role as chairman.

The Berkshire CEO explained why Buffett built a nearly $38 billion stake in Alphabet from scratch in under a year. Google’s parent company was the third-largest position in Berkshire’s stock portfolio at the end of June.

Abel pointed to AI’s material impact on…