Senior Strategic Accounts Leader — Enterprise Growth

Siena AI is seeking a Senior Strategic Accounts operator to own a portfolio of high-value customers and lead executive-level relationships. You will drive cross-functional expansion across Marketing, Returns, E-commerce, and Operations, partnering with AEs and PMs to shape the roadmap and customer outcomes. This permanent role reports to the CEO/Co-Founder, with a mandate to move contracts, expand revenue, and build a lasting playbook for Siena's strategic accounts.