Google Gemini executive Sissie Hsiao to step down April 2 (Reuters) - Alphabet's (GOOGL.O), opens new tab Google is replacing Sissie Hsiao, who led the development of the artificial intelligence chatbot Bard, now known as Gemini, the company told staff in its AI division on Wednesday. Hsiao will step down immediately, a company spokesperson confirmed. Josh Woodward, who leads Google Labs and oversaw the launch of NotebookLM -- the company's popular tool that can turn text into a podcast-like show -- will replace her. Hsiao plans to take a short break and return to Google in a new role, the spokesperson said. She did not immediately respond to a Reuters request for comment. Demis Hassabis, CEO of Google DeepMind, said the move will help the company to focus on the evolution of the Gemini app, according to a Semafor report, which first reported on the move, citing a memo.