{"$schema":"https://raw.githubusercontent.com/jsonresume/resume-schema/v1.0.0/schema.json","basics":{"name":"Sungjoon Nam","label":"Cofounder and CEO","image":"https://saywise-production-profilepicturestoragebucket-kbfooccc.s3.amazonaws.com/profile-pictures/b2bad19f-1dc3-46e9-bad3-882072634c95/linkedin-1791222681670.jpg","summary":"Quantitative marketing Ph.D. and founder/CEO with hands-on expertise in causal inference, customer analytics, and AI product development.","location":{"city":"Cupertino, CA, United States"},"profiles":[{"network":"LinkedIn","username":"sungjoonnam","url":"https://linkedin.com/in/sungjoonnam"}]},"meta":{"canonical":"https://saywise.com/member6250","version":"v1.0.0","lastModified":"2026-10-05T18:33:09.292Z"},"x_saywise":{"handle":"member6250","pronouns":null,"availability":null,"oneLiner":"Quantitative marketing Ph.D. and founder/CEO with hands-on expertise in causal inference, customer analytics, and AI product development.","profileUrl":"https://saywise.com/member6250","markdownUrl":"https://saywise.com/member6250/profile.md","pdfUrl":"https://saywise.com/member6250/resume.pdf","archetype":{"code":"HS-DG","name":"Launchpad Navigator","url":"https://saywise.com/sca/966f6d820f07","rarity":"One of the first Launchpad Navigators on Saywise"},"aiStack":[{"name":"Claude","description":"Build an agentic model for 540 local ordinance database in California","url":"https://claude.ai","storyCount":0},{"name":"ChatGPT","description":"Building Expo based iOS and Android app for GoCodebook.","url":"https://chatgpt.com","storyCount":0},{"name":"Lovable","description":"Create 4 web and mobile applications.","url":"https://lovable.dev","storyCount":0}]},"work":[{"name":"GoCodebook, Inc.","position":"Cofounder and CEO","location":"San Francisco, California, United States","url":"https://gocodebook.com","startDate":"2026-01-01","summary":"Built and launched a vertical AI platform for real estate development with 500 daily professional users. Used hybrid vector search over external legal ordinances and laws with agentic AI to support in-depth real estate feasibility analysis and development decisions. Designed the full web service from scratch and launched an iOS beta app."},{"name":"PetFriends Inc.","position":"AI Machine Learning Head","location":"Seoul, Korea","startDate":"2022-09-01","endDate":"2022-12-01","summary":"Conducted customer lifetime value prediction and churn analysis for 800,000 users to support CRM marketing optimization. Applied causal inference and difference-in-differences to improve personalized promotion performance, finding that 70% of online promotions produced no long-term effects. Applied hierarchical modeling to conjoint analysis for quantitative customer research."},{"name":"The State University of New York","position":"Graduate Program Director and Research Assistant Professor","location":"Incheon, Korea","url":"https://suny.edu","startDate":"2020-08-01","endDate":"2022-02-01","summary":"Directed graduate program and conducted research in quantitative marketing and customer analytics. Focused on causal inference methods and their application to marketing problems."},{"name":"The State University of New York","position":"Assistant Professor","location":"Incheon, Korea","url":"https://suny.edu","startDate":"2017-08-01","endDate":"2020-07-01","summary":"Taught and conducted research in quantitative marketing, focusing on causal inference, customer analytics, and new product diffusion."},{"name":"City University of Hong Kong","position":"Visiting Assistant Professor","location":"Hong Kong SAR","url":"https://cityu.edu.hk","startDate":"2016-08-01","endDate":"2017-07-01","summary":"Taught and conducted research in quantitative marketing at the College of Business."},{"name":"Number Analytics, LLC","position":"Founder and CEO","location":"Cupertino, California, United States","url":"https://numberanalytics.com","startDate":"2014-08-01","summary":"Developed and oversaw statistical analysis software serving 15,000 users from 4,000 organizations in 119 countries. Integrated AI-powered automatic report generation in 2024 to extend the platform from statistical analysis to automated reporting. Expanded product delivery to mobile by launching iOS and Android apps in 2023."},{"name":"Rutgers Business School","position":"Assistant Professor, Supply Chain Management and Marketing Science","location":"New Jersey, USA","url":"https://rutgers.edu","startDate":"2009-07-01","endDate":"2015-06-01","summary":"Taught and conducted research in supply chain management and marketing science, with focus on causal inference, customer acquisition, and retention modeling."}],"education":[{"institution":"The University of Chicago - Booth School of Business","studyType":"Doctor of Philosophy (Ph.D.) in Marketing","startDate":"2003-09-01","endDate":"2010-08-01"},{"institution":"The University of Chicago - Booth School of Business","studyType":"Master of Business Administration (M.B.A.) in Marketing","startDate":"2003-09-01","endDate":"2010-05-01"},{"institution":"서울대학교 / Seoul National University","studyType":"Bachelor's degree in Electrical Engineering & Economics","startDate":"1998-09-01","endDate":"2002-06-01"}],"projects":[{"name":"Disney Moviebeam Customer Analysis","description":"Analyzed how service quality and word of mouth influence video-on-demand customer acquisition, retention, and usage."},{"name":"Shoplet Inc. E-Procurement Analysis","description":"Modeled customer lifetime value and analyzed e-procurement behavior to identify high-value customer segments."},{"name":"Fount Inc. Investment Behavior Prediction","description":"Developed an individual-level investment behavior prediction model using customer retention models."},{"name":"Hanhwa Life Insurance Salesforce Performance","description":"Analyzed salesforce group performance at the local branch level to identify drivers of sales effectiveness."}],"skills":[{"name":"Full-Stack Development"},{"name":"Statistical Data Analysis"},{"name":"Artificial Intelligence (AI)"},{"name":"Machine Learning"},{"name":"Web Applications"},{"name":"Software as a Service (SaaS)"},{"name":"Mobile Application Development"},{"name":"Statistics"},{"name":"SPSS"},{"name":"Data Analysis"},{"name":"R"},{"name":"Marketing Research"},{"name":"Quantitative Analytics"},{"name":"Statistical Modeling"},{"name":"Quantitative Research"},{"name":"STATA"},{"name":"Entrepreneurship"},{"name":"Python"},{"name":"difference-in-differences"},{"name":"hierarchical modeling"},{"name":"conjoint analysis"},{"name":"customer lifetime value prediction"},{"name":"churn modeling"},{"name":"retention analysis"}],"publications":[{"name":"Why does pharmaceutical detailing increase over time? Indication expansion versus inter-firm competition","publisher":"Journal of Business Research","releaseDate":"2026-10-05","summary":"Working paper, in the 3rd round review"},{"name":"The effects of Signal Quality and Contiguous Word-of-Mouth on Customer Acquisition for a Video on Demand Service","publisher":"Marketing Science","releaseDate":"2010-09-01","url":"https://pubsonline.informs.org/toc/mksc/29/4","summary":"Top Marketing Journal, Cited 158 times."},{"name":"Across the threshold: Role of performance and compatibility in innovative new products' market penetration","publisher":"Industrial Marketing Management","releaseDate":"2004-09-01","url":"https://www.sciencedirect.com/science/article/abs/pii/S001985010400029X","summary":"Cited 40 times"}]}