AI video company Synthesia opened a new US headquarters in New York City on September 18, 2026, announcing a 50,000-square-foot office in Manhattan’s Flatiron District that the company said is nearly four times the size of its previous space. The London-based company announced the move in a post titled “Building the Global AI Video Platform for Business”, bylined by Laura Gonzalez, the company’s chief of staff. Synthesia described the opening as a new chapter for the company and said it was…