Siris Capital Group is a venture capital fund specializing in the travel tech industry, focusing on series D funding rounds. They invest between $500,000 and $10 million and have supported companies like Travelport. Known for making control investments, Siris partners with experienced senior executives to identify and manage opportunities. With over $5.9 billion in committed capital, they target transactions valued from $500 million to $2 billion. Their hands-on approach aims to add operational and strategic value.