Nili Klenoff
Nili Klenoff is a senior media and marketing leader at Mastercard, where she oversees global media strategy and investment. She operates at a unique intersection of financial services and advertising technology, leveraging Mastercard's rich transaction data and consumer insights to inform media planning, audience targeting, and measurement across global campaigns. Her work reflects the growing convergence of payments data and programmatic advertising, making her a notable figure in the data-driven marketing space. Klenoff has built her career within large-scale brand environments, developing expertise in media buying, digital strategy, and cross-channel campaign execution. At Mastercard, she has been involved in shaping how the brand approaches addressable media, brand safety, and performance measurement in an increasingly privacy-conscious landscape. Her role encompasses oversight of significant media budgets and partnerships with major platforms, agencies, and AdTech vendors. As a practitioner on the buy side, Klenoff represents the brand perspective in conversations about media transparency, identity resolution, and the evolving programmatic ecosystem. She has engaged with industry bodies and forums focused on advancing standards and best practices for advertisers navigating the post-cookie environment.
Last updated Sep 9, 2026 by ATDb automated enrichment · Connections updated Sep 14, 2026
- Years in industry
- 15 years
Bio
Nili Klenoff is a senior media and marketing leader at Mastercard, where she oversees global media strategy and investment. She operates at a unique intersection of financial services and advertising technology, leveraging Mastercard's rich transaction data and consumer insights to inform media planning, audience targeting, and measurement across global campaigns. Her work reflects the growing convergence of payments data and programmatic advertising, making her a notable figure in the data-driven marketing space. Klenoff has built her career within large-scale brand environments, developing expertise in media buying, digital strategy, and cross-channel campaign execution. At Mastercard, she has been involved in shaping how the brand approaches addressable media, brand safety, and performance measurement in an increasingly privacy-conscious landscape. Her role encompasses oversight of significant media budgets and partnerships with major platforms, agencies, and AdTech vendors. As a practitioner on the buy side, Klenoff represents the brand perspective in conversations about media transparency, identity resolution, and the evolving programmatic ecosystem. She has engaged with industry bodies and forums focused on advancing standards and best practices for advertisers navigating the post-cookie environment.
Career
Director, Global Media
Mastercard · prior role
Media Manager
Mastercard · earlier tenure
Expertise & education
Expertise
Speaking topics
Recognition
Notable achievements
- Led global media investment and strategy for one of the world's most recognized payment brands
- Helped integrate Mastercard's transaction data insights into media planning and audience segmentation strategies