Our Leadership

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Benoit Vatere, CEO and Founder

In his role as Chief Executive Officer and Founder, Benoit oversees the strategic vision and execution for the company. Prior to Mammoth, Benoit served as CEO and General Manager of Playhaven, a mobile gaming monetization platform that employed deep user segmentation. He was also VP of Distribution Network at search advertising company LookSmart. Benoit has co-founded two technology companies, most recently the leading optimization platform, magnify360.

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Solene Schwartz, COO and Co-Founder

In her role as COO, Solene oversees business operations for the company. Prior to being COO, Solene was VP of Growth for Mammoth. Prior to Mammoth, Solene spent more than three years at Playhaven, where she was instrumental in leading the business intelligence team for the mobile ad network. Solene holds a master degree from MIT Sloan with a focus on finance and innovation.

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Kieran Lafferty, VP Engineering

Prior to Mammoth, Kieran worked at Snapchat as a product designer and engineer. At Snapchat, Kieran worked on many impactful products and features such as Group Chat, Spectacles, Profile, Discover, and app wide navigation. Before Snapchat, Kieran was a Software Engineer at Facebook working on the News Feed and Facebook Events product.

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Fei Xiao, VP Product

In her role as Vice President of Product, Fei Xiao oversees the company’s app portfolio, branding and visuals. Prior to Mammoth, Fei was Product Manager & Designer at Houseparty, a group video chat app, where she orchestrated all aspects of branding, visuals and key features. Before Houseparty, Fei was the lead designer at the lingerie startup, ThirdLove, where she redesigned the mobile and web experience from the ground up.

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Jason J. Hayward, VP User Acquisition & Monetization

In his role as VP of User Acquisition and Monetization, Jason oversees the strategy, launch and optimization of Mammoth Media’s diverse marketing mix in addition to managing many third-party relationships. Prior to Mammoth Media he was part of Science Growth Labs where he was responsible for the Search Marketing for high-impact companies like Dollar Shave Club, Urban Remedy and Urban Sitter. Early in his career, he was part of publicly traded companies like Experian EXPGF (OTCMKTS) and ValueClick (Nasdaq VCLK) and Looksmart (Nasdaq : LOOK) where he was responsible for the development and management of many key initiatives.

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Talia Kocar, VP Content

In her role as Vice President of Content, Talia develops and oversees the creation of compelling content to attract and engage the next generation of consumers. Prior to her role with Mammoth Media, Talia led content development at the startup IconApps, on the Inlight app, a lifestyle content-focused virtual magazine. She also worked at Science Inc. on various businesses such as delicious.com, where she studied audiences and demographics in order to curate content experiences on a daily basis.