Tianchen Xu is a Beijing-based senior economist at the Economist Intelligence Unit for China and Asia. Tianchen focuses on China’s economy, policy developments, and its engagement with the world, tracking the US-China trade war closely. He has been a regular guest for international media, featuring on the New York Times, the South China Morning Post, Reuters, and CNBC, and has spoken at many events hosted by chambers and industrial associations in China. Before the EIU, Tianchen worked for several Chinese and international firms and organisations, including the United Nations Secretariat, Bloomberg, and JD.com.

Asta is the Leader of PwC's Worldtrade Management Service (WMS) practice, based in Shanghai, China.

Asta is a senior Customs and Trade Compliance professional with over 20 years extensive working experience both in consulting firms and different industries (e.g. Chemical, pharmaceutical, healthcare, medial device, R&C, crop science, IT, high-tech, etc.) by focusing on Customs & international trade intelligence and compliance, supply chain strategies and planning from Customs and trade perspective. Asta has good knowledge in both Customs (including Customs valuation, tariff classification, AEO certification, bonded business, duty exemption scheme, free trade agreement, compliance check etc.) and international trade compliance ( including export control and sanction) with profound experience. When Asta worked in the industry, she gained rich experiences in dealing with Customs audit and investigation and is able to provide practical solution in consideration of the industry particularity. Meanwhile, she also has successful experience in assisting the companies to obtain favorable treatments including Customs advanced ruling, interim duty rate (IDR), lower VAT refund rate, move certain product out of restricted category, etc. From export control perspective, Asta has practical experience in assisting the company to set up the framework, control process and system to deal with the increasing enforcement from the international trade.

During Asta’s 20 years professional experience, she has been active in Customs & trade community and built-up good network throughout China. She leads the Customs taskforce in different industry associations for interactions with different level Customs and explore the solutions for the industry specific issues. Besides, she is the c0-chair of Customs &Trade Facilitation Group of Amcham and participated in a couple of advocacy cases.

In addition, with an increasing number of companies ‘going global’ in recent years, Asta also works closely with PwC WMS global network and provides valuable advisory in supply chain restructuring, trade compliance programs, etc.

Asta had a Bachelor Degree in Law (Department of Economic Law) in East China University of Politics and Law. Asta speaks Mandarin, English and Cantonese fluently.

聂清是普华永道中国 国际贸易服务部的主管合伙人，与普华永道国际贸易团队一起为客户提供高质量海关和国际贸易相关的服务。

聂女士是一位资深的海关事务和贸易合规专家，有着超过20年在咨询公司和各行业企业（如：化工,制药，医疗器械，作物学，零售业，电子和高科技等企业）的丰富工作经验，擅长为客户提供各种海关，贸易合规以及进出口相关的贸易税收，供应链构架设计等国际贸易相关的咨询服务。　

聂女士在海关和国际贸易合规事务方面有着深厚的理论知识储备和丰富的实际工作经验。她在海关事务方面的经验包括海关审计，商品归类，海关稽查，AEO认证，保税业务，海关相关免税节税筹划，自由贸易协定，海关合规自查等等；她在企业工作期间，积累了丰富的实战经验旨在帮助企业申请各种节税项目包括进口暂定税率，应对各种类型的海关稽查。另外，聂女士在国际贸易合规方面的经验包括帮助企业建立出口管制和制裁相关的企业构架，应对机制，流程设计和系统支持等等。　

另外，随着近年来越来越多的中国企业走出去战略的实施，聂女士与普华永道国际贸易网络的各个国家海关组保持了紧密的沟通和合作，旨在为中国企业提供更好的包括供应链架构搭建，贸易合规项目搭建等国际贸易相关咨询服务。

在聂女士20年的职业生涯中，她与行业协会工作紧密，领导了不同行业协会的海关组，并与各个层面的海关保持了良好的工作和沟通机制。同时她也是美商会贸易便利化小组的负责人之一，代表商会和企业参与了不同的海关政策调研，推动了相关政策的落地和实施。

聂女士毕业于华东政法大学经济法学院并获得法学学士学位。