She is the deputy chair of the board and chief financial officer (CFO) of Huawei, which was founded by her father Ren Zhengfei.

On 1 December 2018, Meng was detained and interrogated at Vancouver International Airport[8] by the Canada Border Services Agency and subsequently placed under house arrest on extradition request by United States Department of Justice under the indictment of bank and wire fraud regarding financial transactions in violation of U.S. sanctions against Iran by Skycom, which had functioned as Huawei's Iran-based subsidiary.

The half-sister is 25 years younger than Meng Wanzhou, and made a high-profile debut at Le Bal des Débutantes in Paris in November 2018.

[19] After graduating from college in 1992, Meng worked for China Construction Bank for a year before joining Huawei, then a startup company founded by her father, as a secretary.

[22] In an interview with the Chinese newspaper 21st Century Business Herald, she said her career took off after she returned to Huawei in 1998 to work in the finance department.

However, Ren has denied such claims, telling Sina Tech that "none of my family members possess [suitable] qualities" and "will never be included in the sequence of successors.

"[24] As of December 2018, Meng was the deputy chairwoman and CFO of Huawei,[25] China's largest privately held company, with 180,000 employees.

[28][29] On 1 December 2018, Meng was detained upon arrival at Vancouver International Airport by Canada Border Services Agency officers for questioning, which lasted three hours.

[36] During the extradition courtroom proceedings, Meng's lawyers made several allegations against the prosecution, including allegations of unlawful detention of Meng,[37] unlawful search and seizure,[38] extradition law violations,[39] misrepresentation,[40][41][10] international law violation,[42] and fabricated testimonies by the CBSA.