Proven Entrepreneurs

Exec Team

The executive team at Rembrand has proven success across a number of companies in AI, data, advertising and technology.

Omar Tawakol, Founder & CEO - Rembrand
Omar Tawakol
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A seasoned tech leader, is the co-founder of Rembrand. With a rich background in the industry, he served as the Vice President & General Manager of the Cisco Contact Center business unit. Prior to that, he founded and led Voicea, a voice-based AI assistant platform acquired by Cisco in 2019. Omar also founded and led BlueKai, the world's largest consumer data marketplace, which was acquired by Oracle in 2014. His impressive career includes roles at tech giants like Google, Salesforce, and Microsoft. He holds an MS in Computer Science from Stanford University and a BS from the Massachusetts Institute of Technology.

David Wiener, Founder & COO - Rembrand
David Wiener
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A tech innovator and Rembrand co-founder, boasts extensive experience. Formerly, as Cisco's Senior Director of Product Management, he shaped global product strategies for contact center solutions and spearheaded Voicea's speech and AI R&D. As Voicea's Co-founder and Chief Product Officer, he contributed to its acquisition by Cisco. David also served as Vice President at Oracle, overseeing global products in the Oracle Data Cloud and orchestrating marquee acquisitions in martech. With a passion for the outdoors and nine patents in Martech and AI, he remains a standout in the tech industry.

Ahmed Saadl, Founder & CTO - Rembrand
Ahmed Saad
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A visionary tech leader, has made significant contributions to the field of video AI and ad tech. As the Co-founder of Amazon Virtual Product Placement and Head of Video AI Science and Engineering at Amazon Prime Video, Ahmed has pioneered cutting-edge advancements in machine learning, computer vision, and content understanding. His teams have driven innovations in virtual product placement, contextual video targeting ad tech, brand safety, content integrity, and much more across a global scale. His work opens up new horizons for creativity and content synthesis in the media and entertainment industry, with ample opportunities for research, innovation, and collaboration. Ahmed is actively seeking talent in the USA, Canada, and remote positions.

Nikki Heyder, Founder & Head of Product & Growth - Rembrand
Nikki Heyder
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Product & Growth

As the Co-Founder of Rembrand, Nikki Heyder brings a wealth of experience to the team, with a remarkable 14-year tenure in SaaS product marketing. Throughout her distinguished career, she has consistently demonstrated her prowess, having served as the Director of Product and Growth at Vidcast within Cisco, Director of Product Marketing at Voicea, and Senior Manager of Product at Oracle Data Cloud. Nikki's contributions have extended to pivotal product roles at YuMe, a pioneering video advertising platform.Her visionary leadership has been the driving force behind innovative strategies that have significantly contributed to the growth and success of Rembrand.

Abdelrehman Mohamed, Founder & Chief AI Scientist - Rembrand
Abdelrahman Mohamed
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Chief AI Scientist

As co-founder and Chief AI Scientist at Rembrand, Abdel Rahman stands as a distinguished figure in the field of artificial intelligence, with over 17 years of experience. Notably, the last decade of his illustrious career has been dedicated to pioneering AI research. Before joining Rembrand, Abdel Rahman held pivotal roles as Research Director for Meta AI and Principal Scientist at Amazon, where he contributed to groundbreaking advancements in the AI domain. His exceptional journey also includes research positions at Microsoft and the University of Toronto. Armed with a Ph.D. in Computer Science, Abdel Rahman is widely recognized as one of the foremost minds in AI today, continually pushing the boundaries of AI technology at Rembrand.

Rishav Jalan, Founder & Head of Marketplace Engineering - Rembrand
Rishav Jalan
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Head of Marketplace Engineering

As a co-founder of Rembrand, Rishav pioneers generative AI for virtual product placement, revolutionizing advertising for brands and creators. With over 9 years of expertise in AI, computer vision, and speech recognition, he brings innovation to the team.Formerly Director of Engineering at Cisco, Rishav led platform and API development for Vidcast and Voicea, pioneering AI solutions for video and voice communication. As the head of Marketplace Engineering for Rembrand, he continues to shape AI-powered virtual product placement, solidifying his role as a tech visionary.

Cory Treffiletti, CMO - Rembrand
Cory Treffiletti
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Cory is Chief Marketing Officer of Rembrand and a data-driven storyteller with a passion for thinking differently.  In previous roles, Cory has been SVP of Marketing for fintech company FIS, as well as a successful serial entrepreneur as CMO with companies such as Voicea (AI platform sold to Cisco) and BlueKai (data platform sold to Oracle).  He was also CMO for the Oracle Data Cloud, which acquired 5 companies to become the leading data solution for advertisers.  Cory has also been a consultant and agency veteran with successful exits to Omnicom and Carat, as well as an author of "Internet Ad Pioneers" and a newsletter called Original Digital (  All this in addition to writing for Mediapost weekly since 2000.

Cory Treffiletti, CMO - Rembrand
Sameh Khamis
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Lead Research Scientist

Sameh is co-founder and Lead Research Scientist at Rembrand. An expert in computer vision, graphics, and machine learning, he brings over 15 years of research and development experience to the team. Before Rembrand, Sameh was a Principal Research Scientist at NVIDIA, and prior to that a Senior Research Scientist at Google through the acquisition of perceptiveIO, a real-time telepresence startup, as well as a Researcher at Microsoft Research. Sameh's work covered the full spectrum of the field, from visual recognition and tracking to multi-view 3D reconstruction, and from large-scale and distributed to real-time and interactive. At Rembrand he is spearheading the research that powers our virtual product placement technology.

Experience from top-tier companies around the globe

Unleashing Creativity

Imagination, Creation, Monetization, through Generative AI.

We are practitioners of Artificial Intelligence, and we believe Augmented Reality is the future that balances the familiarity of the real world with the flexibility of the virtual world.

We believe brands can work with creators to reach an audience and guarantee attention, while respecting the viewer experience.

Unleashing creativity by Rembrand AI
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Innovation in AI, for a purpose
Empowering Creators
and Advertisers

Our Mission

Advertising that engages without interruption.

Our Vision

Use AI to fuse brands into the content people love.  The result is a more sustainable form of advertising that brands, creators and consumers appreciate.

Our Values

We use imagination to develop ideas that will benefit the advertising industry in a way that fuels creativity.