On Thursday San Jose Mayor Matt Mahan announced his candidacy for state governor. "I'm running for governor of California because we can do better," Mahan said at a press event Thursday. "I’m excited to go to Sacramento and share what we’ve been doing in San Jose," he said. San Jose Mayor Matt Mahan is joining the race to become governor of California. Political analyst Larry Gerston examined San Jose Mayor Matt Mahan’s candidacy for governor following the mayor’s announcement Thursday.