Led end-to-end Google Ads management for two enterprise e-commerce accounts, transforming underperforming campaigns into profit engines. Designed a holistic approach combining granular audience segmentation, smart bidding automation, and high-converting ad creatives. Focused on maximizing every stage of the funnel—from click quality to post-purchase retention—while systematically A/B testing variables like landing pages, offers, and seasonal adjustments to sustain growth.