Harry Datwani
Harry Datwani is a Partner at Deloitte Digital where he leads the firm's marketing and advertising technology practice, advising major brands, agencies, and media companies on how to modernize their data strategies, technology stacks, and operating models in response to the rapidly evolving digital advertising landscape. He is widely recognized for his expertise in helping organizations adapt to the deprecation of third-party cookies, the rise of first-party data strategies, and the growing complexity of the programmatic ecosystem. Over his career, Datwani has built a reputation as a trusted advisor at the intersection of marketing technology, data strategy, and business transformation. His work at Deloitte spans identity resolution, clean room technologies, retail media, and the broader shift toward privacy-preserving advertising infrastructure. He has guided Fortune 500 clients through strategic decisions around data partnerships, measurement modernization, and the adoption of emerging AdTech platforms. Datwani is also an active thought leader in the industry, contributing to public discourse through speaking engagements, industry publications, and Deloitte research reports focused on the future of digital marketing and advertising. His perspective bridges the gap between technical AdTech infrastructure and executive-level business strategy, making him a sought-after voice on topics such as the cookieless transition, connected TV advertising, and the evolving role of data in media buying.
Last updated Sep 9, 2026 by ATDb automated enrichment · Connections updated Sep 14, 2026
AI-drafted from public sourcesno sources yet
- Years in industry
- 15 years
Bio
Harry Datwani is a Partner at Deloitte Digital where he leads the firm's marketing and advertising technology practice, advising major brands, agencies, and media companies on how to modernize their data strategies, technology stacks, and operating models in response to the rapidly evolving digital advertising landscape. He is widely recognized for his expertise in helping organizations adapt to the deprecation of third-party cookies, the rise of first-party data strategies, and the growing complexity of the programmatic ecosystem. Over his career, Datwani has built a reputation as a trusted advisor at the intersection of marketing technology, data strategy, and business transformation. His work at Deloitte spans identity resolution, clean room technologies, retail media, and the broader shift toward privacy-preserving advertising infrastructure. He has guided Fortune 500 clients through strategic decisions around data partnerships, measurement modernization, and the adoption of emerging AdTech platforms. Datwani is also an active thought leader in the industry, contributing to public discourse through speaking engagements, industry publications, and Deloitte research reports focused on the future of digital marketing and advertising. His perspective bridges the gap between technical AdTech infrastructure and executive-level business strategy, making him a sought-after voice on topics such as the cookieless transition, connected TV advertising, and the evolving role of data in media buying.
Expertise & education
Expertise
Education
- Degree details not publicly confirmed
Speaking topics
Recognition
Notable achievements
- Led Deloitte's advisory practice helping major brands navigate the deprecation of third-party cookies and transition to first-party data strategies
- Authored and contributed to multiple Deloitte thought leadership reports on the future of digital advertising and marketing technology
- Established Deloitte as a credible voice in AdTech consulting through industry speaking engagements and media commentary
Publications
- Deloitte Insights reports on digital marketing transformation and the future of advertising