Google CEO Sundar Pichai, who has led the company for the past two years, is joining the board of directors of Alphabet, Google’s parent company. The move represents a vote of confidence in Pichai, who has led Google through a period of sustained growth. Alphabet shares have risen by more than 50% since Pichai, following a lighting fast ascent through Google’s managerial ranks, became CEO of Google in August of 2015. Google accounts for the vast majority of Alphabet’s revenue and virtually all of its profits. Alphabet is the second most valuable U.S. company behind Apple. Pichai is best known for doubling down on Google’s commitment to artificial intelligence, which has led to a long list of improvements for Google’s consumer and enterprise services. Pichai becomes the fifth insider to join the Alphabet board, which now has 13 members.