Research & Academia
Investigating AI, digital decision-making, information systems, and evolving consumer behavior through empirical, experimental, and data-driven research.
Researcher · Entrepreneur · AI & Digital Innovation Leader
Udi Barkai
Exploring the intersection of artificial intelligence, human behavior, digital platforms, and business innovation.
I am an entrepreneur, digital marketing executive, and PhD researcher at Tel Aviv University. My work bridges academic research with hands-on industry experience, focusing on how emerging technologies reshape consumer decisions, digital ecosystems, and business performance.
PhD Researcher | Tel Aviv University
Co-Founder & CEO | Cellosite
AI, Digital Advertising & Information Systems
Three identities, one practice
Bridging academic research, AI, and real-world business impact.
Entrepreneurship & Leadership
Building and leading ventures in digital advertising, marketing technology, and mobile growth, translating strategic ideas into operational business models.
AI & Innovation
Exploring generative AI, conversational advertising, LLM-powered discovery, intelligent personalization, and the future of human–technology interaction.
Featured research
Questions at the edge of AI and consumer behavior.
Research meets business
From research questions to real-world evidence.
Proximity to practical business problems, advertising technology and mobile app environments makes it possible to frame research questions that matter — and to pursue empirical designs grounded in how digital markets actually work.
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Industry Challenges
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Research Questions
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Data & Experiments
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Academic Insights
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Business Innovation
Joint Academic ResearchIndustry Field ExperimentsAI & Consumer Behavior StudiesDigital Advertising ResearchResearch Data PartnershipsAcademic–Industry Innovation Projects
Ventures
Building in digital advertising and mobile growth.
Founded 2013
Cellosite
Co-Founder & CEO
A digital marketing and mobile growth company helping app businesses acquire users, improve engagement, increase retention and build sustainable growth through data-driven strategy — with long-term experience across mobile apps and major brands.
Visit cellosite.co.ilFounded 2012
YoYo
Data Driven Technology
A digital advertising venture associated with data-driven display advertising, audience management, targeting and retargeting solutions.
Founded 2005 · Formerly Total Media Solutions
Oraki Digital
VP Sales & Marketing
Oraki (formerly Total Media Solutions, rebranded in 2023) is a publisher technology company specializing in programmatic advertising, publisher revenue management and Google Ad Manager 360 reselling, serving publishers across Europe, the Middle East and Africa. Led sales and marketing, including the successful market penetration of DoubleClick technology.
Visit oraki.ioGuiding perspective
The most valuable research questions often emerge where business challenges meet technological change.
Let’s explore what comes next.
Open to academic collaborations, research partnerships, industry experiments, and strategic conversations about AI and digital innovation.