James Ko Email & Phone Number

London, London, Gb

As the NA Performance Media Lead at Wavemaker, I am accountable for optimizing performance across Paid Search, Paid Social, Programmatic media, Influencer Marketing, and Organic Search to drive new customer acquisition. I established a center of excellence to break down channel silos, fostering synergy and enhancing both individual channel and cross-channel results. By collaborating closely with each team, I drive capability growth, improve operational efficiency, and refine strategies through best practices and automation. I also ensure strategic consistency and effectiveness across North American and global markets.

London, England, Gb

Led the strategic development and execution of digital media initiatives across Paid Search, Paid Social, and Programmatic media at EssenceMediacom. Focused on driving growth through innovative strategies, I introduced advanced testing frameworks, strategic optimizations, and new ad tech that elevated campaign performance. I prioritized fostering a culture of learning by mentoring teams, implementing skill development programs, and leading collaborative projects that ensured strategic alignment. My efforts were centered on scaling performance, enhancing cross-channel synergies, and achieving consistent improvements in ROI.

London, England, Gb

Orchestrated global Paid Search and media strategies, managing campaigns across 18 markets within 3 regions (NA, EMEA, APAC) to ensure strategic alignment and consistent growth across all markets. I developed a comprehensive global framework that optimized platform usage, improved automation, and delivered cost-efficient results. My work included large-scale account restructures, advanced testing methodologies, and collaborative efforts with SEO teams to maximize both paid and organic visibility. I also drove operational improvements through automation, ensuring streamlined processes and higher efficiency.

El Segundo, Ca, Us

Developed and executed performance-driven media strategies across SEM, Paid Social, Programmatic, SEO, and Influencer Marketing channels. My efforts centered on driving new customer acquisition and improving retention through integrated, data-driven approaches. Leveraging CRM data, I enhanced audience segmentation and campaign personalization, resulting in more targeted media strategies. I collaborated with analytics and creative teams to create innovative solutions that maximized ROI and campaign effectiveness. Additionally, I led a team of paid media specialists, fostering growth through mentorship, skill development, and best practices in campaign execution.

El Segundo, Ca, Us

Managed end-to-end paid media campaigns focusing on maximizing performance and cost efficiency. I implemented tactical optimizations, including bid optimizations, A/B testing, audience refinement, and creative adjustments to enhance targeting and results. Collaborated with cross-functional teams to ensure seamless campaign execution and deliver data-driven outcomes.

Paris, Ile De France, Fr

Drove large-scale SEM optimizations by implementing strategic account restructures, collaborating with SEO teams to enhance landing page relevance and user experience, ultimately boosting conversion rates. Utilized advanced testing methods to refine ad copy, targeting, and bidding strategies, consistently exceeding performance goals. Partnered with analytics teams to ensure data-driven execution and seamless campaign outcomes.

Paris, Ile De France, Fr

Managed paid search campaigns with a focus on optimizing bid strategies, keyword targeting, and ad performance to maximize ROI. Conducted in-depth analysis to refine keyword targeting and improve conversion rates, while collaborating with SEO teams to ensure integrated search efforts. Implemented testing frameworks to enhance ad copy and landing page effectiveness, driving consistent performance gains.

Paris, Ile De France, Fr

Executed paid search campaigns by managing keyword lists, adjusting bids, and optimizing ad copy to boost performance metrics. Analyzed campaign data to identify trends and refine targeting, driving improvements in conversion rates and cost efficiency. Collaborated with team members to support broader search strategies and ensure consistent campaign execution.

El Segundo, Ca, Us

Managed digital marketing campaigns across Paid Search, Display, and Social Media channels, focusing on driving traffic and conversions. Implemented data-driven optimizations, including A/B testing, bid adjustments, and audience targeting, to enhance performance. Collaborated with cross-functional teams to align marketing efforts and ensure consistent brand messaging.