321 the Agency is seeking a Senior Client Account Strategist (Digital) to own high-level client relationships and drive performance across paid campaigns, CRM initiatives, and full-funnel strategies. You'll lead multi-channel digital execution and mentor a team in a fast-paced agency setting. You'll guide strategy, optimize campaigns with AI tools, and ensure alignment with client goals, budgets, and KPIs while collaborating across creative, media, and development teams.