Serve as a trusted technical advisor during the full presales cycle. Lead customer discovery, solution architecture, ROI and TCO modeling, proof-of-value engagements, executive presentations, competitive differentiation, pricing recommendations, and technical deal support. Use MEDDICC/MEDDPICC frameworks, Salesforce, and AI-assisted workflows to improve presales execution. Build reusable AI prompt libraries, value-selling assets, dashboards, and customer outcome stories while collaborating with sales, channel, and cross-functional teams.