Editor's Note: BRICS enters its third decade with a larger membership, a broader agenda and a growing role for the Global South. Can its expansion strengthen cooperation without creating fragmentation? And how can BRICS help shape the global economic order? On The Hub, Wang Guan speaks with Alessandro Golombiewski Teixeira, distinguished visiting professor at Tsinghua University and former senior advisor to the president of the New Development Bank. They explore BRICS' institutional evolution, local-currency trade and payments, and the future role of the NDB.