Director of de Blasio’s $1B ThriveNYC boondoggle runs a trendy DUMBO boutique — and is now on Zohran Mamdani’s transition committee

If at first you don’t succeed — thrive, thrive again. The former director of Bill de Blasio’s controversial $1 billion ThriveNYC mental health initiative owns a trendy DUMBO boutique — and landed a spot on Mayor-elect Zohran Mamdani’s transition team. Susan Herman’s quaint shop Plum on Bridge Street peddles handcrafted, locally sourced doo-dads such as…