About Us

App Science® stands alone by taking a mobile-first approach to advanced cross-screen analytics with our proprietary Household Graph of 55MM validated CTV households –always reflecting the ever-evolving comprehensive consumer landscape.  Our Household Graph powered by privacy compliant people-based behavior signals sets us apart to provide sophisticated audience measurement solutions for brands and platforms with richer actionable campaign intelligence that is media agnostic and trusted.

Leadership Team

App Science®’s leadership team is comprised of industry leaders with significant experience across the advertising marketplace, providing cutting edge audience measurement to maximize efficiencies and validate ROI.

Helen Lum

Executive Vice President

Link to LinkedIn Profile

As EVP, Helen oversees all business and growth strategies for App Science. Named a 2022 Cynopsis Top Women in Media honoree for ad tech innovation, Helen has over 10 years of experience in digital media, campaign management expertise, and scaling business operations. Prior to her role as EVP, Helen helped build and manage Sabio’s global account management team and assisted in spearheading the first mobile retargeting campaign in the industry. Helen’s favorite apps are LinkedIn and Yelp.

Jason Tong

SVP, Engineering

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As SVP of Engineering, Jason leads the App Science engineering and data science teams in California and India. He has been instrumental in the company’s growth, particularly in the development of the App Science platform. He also played a critical role in the development of Sabio’s programmatic technology. Jason has over 10 years of experience in mobile marketing. He has extensive knowledge of ad serving, action tracking, and reporting. Jason’s favorite apps are YouTube and eTrade.

Elisa Dao

SVP, Strategy

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As SVP of Strategy, Elisa is responsible for leading business strategy development across product, sales, and marketing. Named a 2023 Cynopsis Top Woman in Media, she is a media agency veteran who now drives innovation in ad tech. Before joining Sabio, Elisa led digital media planning and buying for Fortune 500 brands at global agencies. She has executed some of the first-to-market digital activations on MySpace, AOL, and Snapchat. Elisa’s favorite apps are Pinterest and Yelp.

Josh Melick

SVP, Product & Data Architecture

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As SVP of Product and Data Architecture, Josh helps bridge client needs and technical systems. With expertise in ad tech, SMB SaaS, and entrepreneurship, Josh is a consistent innovator. After architecting AT&T's mobile ad strategy during the iPhone's early days, Josh led product development for SMB SaaS companies, including Demandforce, where he helped strike its $430M sale to Intuit, and Broadly.com, his own venture that he sold to Vendasta. Josh’s favorite apps are Apple Notes and Airbnb.