WilmerHale

Among WilmerHale’s industry strong suits, the start-ups and emerging companies group excels in life sciences-related work, where it teams up with the firm’s life sciences offering to provide full-service transactional and regulatory support. It additionally leverages its regulatory expertise to handle a steady stream of matters involving the technology, aerospace, and energy spheres. Daniel Zimmermann chairs the practice from Palo Alto, where his recent work includes representing start-ups in the AI, life sciences, and aerospace sectors on financings across various funding stages. Boston-based Mick Bain spearheads the transactional department and recently led a $290.3m Series B financing for Sierra Space Corporation. Other recommended practitioners include corporate and securities partner Jason Kropp, also in Boston. Frances Mosley departed the firm in February 2025, Gary Schall departed in July 2025.