What is the fine-grained topic of the following text: She was on the “first team” at two highly successful startups – ExpertCity, Inc. (where she was on the team that invented GoToMyPC, GoToMeeting, GoToWebinar) and AppFolio, Inc. She is author of the book “Dynamic Reteaming: The Art and Wisdom of Changing Teams”. Only return the topic.
The professional background and accomplishments of a successful startup member and author.