Life Summary
Jeong Jai-hun is president and CEO of SK Telecom.

He is focused on restoring customer trust and the competitiveness of the telecommunications business while working to transform SK Telecom into an AI-native company.

He was born on June 23, 1968, in Masan, South Gyeongsang Province.

He graduated from Masan High School in South Gyeongsang Province and earned a degree in public law from Seoul National University.

After passing the 39th National Judicial Examination, he served as a judge at the Daejeon, Suwon, Seoul Central and Changwon district courts.

He headed the Information Technology Bureau at the Supreme Court's National Court Administration before leaving the judiciary after serving as a presiding judge at the Seoul Central District Court.

He joined SK Telecom as head of a legal affairs group and became head of the Investment Support Center when SK Square was established.

He served as SK Telecom's president of external affairs and chaired the Governance Committee of SK Group's SUPEX Council.

Following the personal data breach in 2025, he was urgently brought in to manage the crisis.

He faces the task of developing AI data centers, self-developed AI models and AI business-to-business services into new growth drivers while redesigning the company's organization and working practices around AI.