DoorDash Inc. is strengthening its voice ordering product for restaurant clients by hiring senior members from artificial intelligence startup Standard AI. Among those joining the San Francisco-based delivery app are Standard AI’s former Chief Executive Officer Jordan Fisher and co-founders Brandon Ogle and Daniel Fischetti. Standard AI, a retail-technology company founded in 2017, has raised over $260 million from investors including the SoftBank Vision Fund and EQT Ventures, with a valuation of $1 billion in its latest funding round in 2021.