Professor Jason Arday has resigned from the University of Cambridge "with immediate effect" following a prominent plagiarism row and an ongoing investigation by the institution into his academic qualifications and honorary appointments.
In a statement released on Wednesday by the Good Law Project, Professor Arday explained his decision, saying he had "concluded that the only way to bring this chapter to an end is to step away." He described his appointment as professor as "without question, the greatest professional privilege of my life," but noted that the years since had been marked by "an unrelenting level of public scrutiny and personal attack." He added that "there comes a point when the personal cost becomes too great."
Professor Arday clarified that his resignation should not be interpreted as a "loss of faith in scholarship or in the values that first brought me to Cambridge," nor should it be mistaken for "an acceptance of the narratives that have surrounded me." He thanked his students and colleagues, stating that for his "own wellbeing, for my family, and for those who have stood by me throughout this difficult period," stepping away was necessary. He concluded by saying, "this is not the end of my work" and that he needed "time to heal," promising, "When that time comes, I will return."
Earlier on Wednesday, the University of Cambridge confirmed it had launched an inquiry "following new information" concerning Professor Arday's "academic qualifications and honorary appointments." The university also stated that "separately, there remains a number of ongoing complaints regarding academic misconduct, which are being handled in line with our Misconduct in Research policy." It emphasized the importance of a thorough process adhering to both university policies and employment law, while also recognizing "that there is a person at the centre of this situation, and we continue to provide support to him." Jesus College, where Professor Arday is a fellow, announced it is initiating its own process "parallel" to the university's investigation.
The controversy began after Nathan Cofnas, a self-defined "race realist" who was sacked from his Cambridge role in 2024, alleged numerous instances of plagiarism in Professor Arday's work and questioned some of his stated achievements. Mr. Cofnas, whose role at a Cambridge college was terminated after backlash to his view that under a true meritocracy black people would "disappear from almost all high-profile positions outside of sports and entertainment," claimed on Substack that plagiarism detection software revealed many passages in Arday's work were "lifted with minimal editing, sometimes retaining copy-editing mistakes from the original source."
Professor Arday, who in 2023 became the youngest ever black professor at Cambridge at the age of 37, addressed the accusations in an interview with The Times on Saturday. He admitted to errors in his work, stating he was accountable for them, but insisted, "what I am not is a liar." He suggested that since his arrival at Cambridge, there had been "a very well orchestrated and co-ordinated campaign to unseat me from my position," which he believed was "racially motivated." Professor Arday asserted he had become a "lightning rod" for criticism of diversity, equity and inclusion (DEI) policy.
He attributed some errors in his early academic work to his autism, explaining that he relied on mimicry to process information, and suggested that similar scrutiny would uncover comparable errors in the work of other academics. "We're talking about academia here. I didn't murder somebody. I think the cruelty that I've experienced and the positioning of me as this kind of liar and fantasist is totally unacceptable," he told the newspaper.
Mr. Cofnas had also questioned Professor Arday's claims regarding various charity running achievements, including running 30 marathons in 35 days, 300 miles in three days, and 600 miles on a treadmill in six days, which Arday said had collectively raised over £5m for charity. In an interview with The Guardian, Professor Arday clarified that the £5m was raised with the help of others over a 20-year period, but he could not name these individuals due to non-disclosure agreements. Regarding the 600-mile challenge, he explained it was completed over a 12-day period to allow for rest days, accounting for the "cumulative wear and tear of training" from previous challenges. He told The Times that he stood by his other running records, adding, "I can't make people believe me. Nobody lives their life having a receipt for every single thing they say or they've done."
Publisher Simon & Schuster, which is set to publish Professor Arday's memoir later this month, defended him in a statement to AFP news agency earlier on Wednesday. The publisher stated, "We are proud to publish Professor Jason Arday. We have worked closely with him… and can speak to the professionalism and integrity he has brought to every stage of the publication."





