Alaska Air Group, Inc. announced the appointment of G.Mike Sievert to the company's board of directors, effective June 1, 2026. Mr. Sievert will serve on the board?s Safety and Innovation Committees. Sievert is the former CEO of T-Mobile, where he currently serves as vice chairman of the board of directors.

In his time as CEO, T-Mobile significantly increased its market value while strengthening its position in the U.S. wireless industry and improving customer loyalty and satisfaction. Sievert led a period of significant value creation at T-Mobile, with the company's market value increasing from about $60 billion to about $260 billion during his time. He oversaw sustained growth relative to competitors in the U.S. wireless industry while strengthening customer loyalty and satisfaction.

Sievert joined T-Mobile in 2012 as chief marketing officer, when the company's market value was less than $10 billion. Sievert has lived in the Seattle region since 2002, and serves on the Starbucks board of directors. Sievert is also a licensed pilot and longtime aviation enthusiast, flying his amphibious seaplane all around the Pacific Northwest.

Before joining T-Mobile in 2012, Sievert held leadership roles at Microsoft, AT&T, E*TRADE, IBM and Procter & Gamble. He earned a bachelor's degree in economics from the Wharton School of the University of Pennsylvania. With Sievert's appointment, the board has 10 independent director seats.

CEO Ben Minicucci serves on the board as a non-independent director. Alaska Air Group directors serve one-year terms upon election at the company's annual meeting of stockholders.