Diageo's new interim CEO Nik Jhangiani has charmed investors with his cool confidence and clear communication, in contrast to his predecessor who struggled to win over the company's shareholders during her short term.

Nik Jhangiani, Indian American finance chief at the world’s biggest spirits maker Diageo, has taken over as the company’s interim boss as CEO Debra Crew has stepped down after two years in the job.

British liquor giant Diageo on Wednesday named Chief Financial Officer Nik Jhangiani as interim chief executive officer following the immediate departure of Debra Crew from the top role and from the company’s board.