Yang Tengbo

Yang Tengbo (, born ), also known as Chris Yang, is a Chinese businessman. He was barred from the United Kingdom by the Home Office in 2023 following accusations that he was using his relationship with Andrew Mountbatten-Windsor to spy for the Chinese government in the United Kingdom.

In 2024, a Special Immigration Appeals Commission tribunal upheld the decision to bar Yang, acknowledging that while there was "not an abundant quantity of evidence" against him and there may be an "innocent explanation" for some of the evidence, there was still enough material to support the Home Office's assessment that he posed a national security risk.

Career Yang was born in Yunnan, China on . He graduated with a bachelor's degree in history from the School of History and Archives at Yunnan University in 1995,

In 2002, Yang moved to London. He studied language at a London university for one year, before taking his master's degree in Public Administration and Public Policy at the University of York. Hampton Group International specialised in relations between British and Chinese companies.

He is an honorary member of the 48 Group Club, a London-based private company which promotes trade between China and the United Kingdom.

Spying allegations Yang came under scrutiny for his relationship with Andrew Mountbatten-Windsor. In November 2021, Yang was stopped at a port, where a letter from Dominic Hampshire, an adviser to Andrew Mountbatten-Windsor, was found on his devices. The letter referenced Yang being invited to Andrew's birthday party. Of Yang's relationship with Andrew, Hampshire wrote, "I also hope that it is clear to you where you sit with my principal ... Outside of his closest internal confidants, you sit at the very top of a tree that many, many people would like to be on." Another document found included details of the "main talking points" for a telephone call between Yang and Andrew. It described Andrew as being in a "desperate situation", saying that he would "grab on to anything".

In March 2023, Suella Braverman, then Home Secretary, barred Yang from the United Kingdom. Prior to this, he had only been known as "H6". Later the same day, Yang issued a statement through his lawyers, saying that he requested the lifting of the secrecy order "due to the high level of speculation and misreporting." He said that "The widespread description of me as a 'spy' is entirely untrue", and pointed out that "even the three judges in this case concluded that there was 'not an abundance of evidence and "there could be an 'innocent explanation for his activities. He claimed that his exclusion was the result of a poor "political climate" resulting in an "anti-China stance", and said that he "would never do anything to harm the interests of the UK."

Yang has met former prime ministers David Cameron and Theresa May, and former chancellor of the exchequer George Osborne.