Sissie Hsaio, the Google exec who oversaw the launch of the company’s AI chatbot, is stepping down as head of the Gemini app.Google Labs VP Josh Woodward will replace Hsaio as head of the Gemini app.The move aims to 'sharpen our focus on the next evolution of the Gemini app.'Hsaio will be taking a short break and returning to Google in a new position.