Miranda Lawson is a high-ranking former Cerberus operative and a human biotic. Lawson headed Project Lazarus, the Cerberus operation that brought Commander Shepard back from the brink of death after the first Normandy was destroyed.
Lawson is herself an example of the achievements possible through genetic engineering. She was created in 2150 through manipulation of her father's DNA. Her entire physical and mental composition was deliberately engineered, including a longer life span and a superior immune system.
Lawson accompanied Commander Shepard on the maiden voyage of the Normandy SR-2 and was part of the crew responsible for the defeat of the Collectors. She has since left Cerberus. Her current whereabouts are unknown.