Kejin Chen

lead the end-to-end design and optimization of the core marketplace that connects users with mobile games through rewarded advertising. My work centers on building and scaling algorithmic systems—including install, user_spend prediction models, real-time ranking, and dynamic pricing—to improve match quality between players and games. I partner closely with engineering, data science, and design teams to refine the user-facing UI for clear incentives and seamless engagement, and contribute to the design of the virtual economy and reward calibration to balance user satisfaction, game publisher performance, and platform revenue.

Built and scaled the China market entry strategy from scratch, navigating complex healthcare regulatory landscapes to establish a sustainable patient acquisition pipeline. Generated over $1M in clinic revenue within 12 months by identifying and partnering with niche healthcare MCN agencies and top-tier social platforms (e.g., RedNote). Assembled and managed a high-performing local team covering the full funnel: from content marketing and lead generation to high-touch patient conversion.

Senior Product Manager focusing on improving ads revenue and advertiser experience

Back to AdsTech and keep focusing on providing better ads performance to both publishers and advertisers

Led homepage PMs team for Shopee apps in all countries/areas (e.g. Indonesia, Brazil, Poland, Singapore); Pioneered multiple large-scale projects (e.g. business modules personalization, daily discover recommendation strategy revamp, price systems redesign) and achieved significant growth through efficiently coordinating multi-disciplinary teams and professional insights in both SEA users and e-commerce markets.

Staff Product Manager for search ads & Lead Manager in Advertiser Growth. -Designed mobile applet to encourage small-scale business owners to use ads products, and achieve 30% growth in the number of active advertisers on a yearly basis. -Developed and iterated a new search ads product focusing on low-value queries, whose daily revenue reached millions in 1 month, and contributed billions annual revenue.

Special promotion to Senior Product Manager due to outstanding performance. -Led PMs team to improve target audience strategy for Taobao Display ads. -Launched and led the revamp of Data Management Platform (DMP) by re-defining product vision and strategy and upgrading audience targeting tag system and redesigning interface. Job rotated to Taobao as Senior Product Manager for Taobao app Homepage (DAU is over 300 millions) from Dec. 2017 to April 2018.

Product Manager for commercials/paid-ads. -Designed a data analysis product for sales team, to efficiently obtain structured analysis for each ads delivery, so that they can further cooperated with mega branding advertisers for the next rounds of ads campaigns. This product has served more than 1000 Alibaba top advertisers (e.g. Estee Lauder, Lancome, Chanel, Mercedes) and covered over a billion advertising budget.

Graduated as Phd in the area of Human-computer Interaction.

Fully participated in 1 project, due dilligence for a domestic leading company in consumer paper -Fully involved in market analysis module, projecting industry trends\opportunities and challenges, Investigated products and branding strategies of rival companies via literature research, searching for profit points -Interviewed with managers in rival companies, dissecting the target market in terms of leading companies’ branding strategies, product strategies, channel strategies, and organization structures of rival companies, assisting the analysis of market diagnosis

During my visit, I worked in the Lab of Cognitive Engineering, University of Toronto, under the supervision of Prof. Jamieson. I systematically learnt the use of complex systems analysis methods (e.g. Work Domain Analysis), and designed the experimental platform for my second experiment. My visit experience further enhances my understanding of human-computer interaction in complex systems, and strengthens my ability to analyze complex systems, including process control systems, aviation systems and healthcare systems.

 Participated in ~ 5 projects that cover telecommunication, IT service, automobile, luxuries and other industries, including strategy planning, M&A, market entry strategy, product & marketing strategies  Some projects experience -Strategy optimization for a domestic leading telecommunication service provider: investigated industry development trends, assisting the analysis of competitors in communication and IT service sectors -Formulating entry strategies into China for a leading European Luxury institute: involved in e-commerce market analysis module, interviewing with electronic business companies, and proposed standards for new entrants in e-business platforms

My research interest focuses on interface design, human reliability analysis and human-computer interaction for complex systems.

As a visiting researcher in the Cognitive Engineering Lab, under the supervision of Professor Greg Jamieson. My main research interest is ecological interface design, human-automation interaction and cognitive work analysis.