Maraganore’s exit tasks Greenstreet with Alnylam’s five-year plan

With John Maraganore’s departure from Alnylam, incoming CEO Yvonne Greenstreet will be tasked with leading the company’s execution on its goals of continuing its fast-growing commercial expansion and attaining a top-five market cap in its category by 2025.

Alnylam Pharmaceuticals Inc. (NASDAQ:ALNY) said Thursday that Maraganore will step down as CEO at year-end, more than 19 years after he arrived at the then-nascent RNAi company. Succeeding him will be Greenstreet, who joined as EVP and COO in 2016 and became president and COO last year...