柯凌宇先生是新到任美国驻华大使馆公使衔经济参赞。此前他曾担任美国国务院中国事务部经济事务组负责人。 他在华盛顿的任职主要负责能源和经济安全政策，包括担任美国国务院中东和亚洲能源外交办公室代理主任、美国驻世界银行执行董事的外交政策顾问、美国国务院负责经济和商业事务的助理国务卿的执行助理、以及担任美国阿富汗和巴基斯坦问题特别代表理查德·霍尔布鲁克（Richard Holbrooke）先生的国际协调事务顾问。

柯凌宇先生在海外的任职经历包括驻任雅加达、伊斯兰堡和阿富汗的各地。

在加入美国国务院之前，柯凌宇先生从事过与中国有关的贸易和投资方面的工作。 他会讲中文、印度尼西亚语、达里语和普什图语。

Mark Dreyer is the Senior Director of Marketing and Communications at the American Chamber of Commerce in China (AmCham China). Before joining AmCham China in July 2018, he was the Senior Communications Manager at the Cheung Kong Graduate School of Business.

Prior to switching to his current focus on corporate and strategic communications, Mark had various roles in the media. Formerly a football reporter with Sky Sports in the UK, he has also been a reporter and producer for both Fox Sports and AP Sports in the US, before moving to China ahead of the 2008 Beijing Olympics. He has since covered seven Olympic and Paralympic Games as an accredited journalist and has reported on sports events in five different continents, and has interviewed stars including Pele and David Beckham.

He has worked with a number of media outlets in China and is regularly asked to comment on the Chinese sports industry for BBC, CNBC, Bloomberg, Financial Times and many others. His book, “Sporting Superpower: An Insider’s View on China’s Quest to Be the Best”, which attempts to unravel the parallel threads of politics, economics and sports in China, was published in 2022.