The bank, which started business in January, is already led by its president Jin Liqun, formerly a Chinese finance official who has also worked at the Asian Development Bank (ADB).
Liberal Democrat Sir Danny Alexander was number two at Britain's Treasury between 2010 and 2015 but lost his seat in parliament at last year's general election as his party was almost wiped out.
He will be one of five vice presidents for the AIIB, the lender said in a statement, as well as its corporate secretary, a role co-ordinating between the bank's management and members.
The United States, and Japan - the world's largest and third-largest economies, respectively - have notably declined to join the bank.
"I will relish the challenge of being part of this new institution as it establishes itself as a crucial part of the multilateral landscape, supporting growth, tackling climate change and helping drive up living standards in Asia," Alexander said in a separate statement issued by his former ministry.
Britain has also secured one of the 12 seats on the AIIB's board of directors and will lead a constituency of members from Europe, the statement said.
Joachim von Amsberg, currently vice president for development finance at the World Bank, was appointed to a policy and strategy role.
Kyttack Hong, chairman and chief executive of the Korea Development Bank, will be chief risk officer.
D J Pandian, who had a 30-year career in the Indian government, was named chief investment officer, with Luky Eko Wuryanto, who served in senior positions in the Indonesian government for two decades, chief administrative officer.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
