[5][1][3] In 1993, immediately after finishing her graduate work, Thomas moved to London to begin her career in publishing as a cell biology editor at Nature.
[5][6] She is also a past recipient of the prestigious Wilbur Cross Medal, awarded to distinguished Yale Graduate School alumni.
Later that year, Thomas was recognised as one of the United Kingdom's most influential Black People by being included in the 2021 edition of the annual Powerlist.
[12][13] In 2021, Thomas said at a media industry conference "we have quality content in spades ... the job at hand is to now go further by strengthening the growing elements of our business".
In May 2021 The Daily Telegraph reported that there was serious conflict between Thomas and editor Katharine Viner about finances and the direction the newspaper should take.