S sedežem v Tokiu Duncan že tri desetletja svetuje vlagateljem na področju tehnologije in inovacij v Aziji, pri čemer prepoznava in podpira naslednjo generacijo prebojnih podjetij.
Je predsednik podjetja BDA (www.bda.com), azijsko usmerjenega svetovalnega podjetja za naložbe, ki ga je ustanovil leta 1994, po štirih letih dela kot investicijski bančnik pri Morgan Stanley.

Njegova knjiga iz leta 2016 z naslovom Alibaba: Hiša, ki jo je zgradil Jack Ma opisuje vzpon kitajskega internetnega sektorja in podjetniškega razreda; revija The Economist jo je razglasila za knjigo leta, časopis Financial Times in podjetje McKinsey pa sta jo uvrstila v ožji izbor za poslovno knjigo leta. Drastičen državni obračun z Jackom Maom, ki se je začel konec leta 2020, je napovedal novo, negotovo obdobje za kitajski zasebni sektor in potrošniško gospodarstvo.

Nedavno je bil Duncan imenovan v svetovalni odbor Inštituta za znanost in tehnologijo Okinawa (OIST). Je ustanovni član Asia Society Japan in svetovni skrbnik organizacije Asia Society.
Duncan je tudi vlagatelj v zgodnjih fazah razvoja podjetij v Silicijevi dolini, med drugim v StoryProtocol.xyz (podprto s strani a16z), katerega vrednost je avgusta 2024 presegla 2,2 milijarde ameriških dolarjev. Podjetje v svet, ki ga preobraža umetna inteligenca, prinaša programabilno intelektualno lastnino.

Based in Tokyo, Duncan has been advising investors on technology and innovation in Asia for three decades, identifying and supporting the next generation of breakthrough companies. He is Chairman of BDA (www.bda.com), an Asia-focused investment advisory firm he founded in 1994 after four years as an investment banker at Morgan Stanley.

His 2016 book Alibaba: The House That Jack Ma Built chronicles the rise of China’s internet sector and entrepreneurial class; it was named a Book of the Year by The Economist and shortlisted for Business Book of the Year by the Financial Times and McKinsey. The dramatic state crackdown on Jack Ma, which began in late 2020, marked the start of a new and uncertain era for China’s private sector and consumer economy.

Most recently, Duncan was appointed to the Advisory Board of the Okinawa Institute of Science and Technology (OIST). He is a founding member of Asia Society Japan and a global trustee of the Asia Society.

Duncan is also an early-stage investor in Silicon Valley companies, including StoryProtocol.xyz (backed by a16z), which reached a valuation of over USD 2.2 billion in August 2024. The company brings programmable intellectual property to a world transformed by artificial intelligence.