Professional Experience

Leading research team studying digital transformation's impact on governance and society.

• Research focus: "How digital technology revolutionizes current social structures"
• Developed the "Four Ages of Information and Power Transformation" framework to analyze how technological changes reshape social and political structures
• Develop frameworks for digital-era governance models and social transformation
• Study AI's role in reshaping political and economic systems
• Contribute to institute's mission of sustainable development and prosperity
• Advised government agencies and corporations on AI governance strategies and digital transformation initiatives
• Published research reports and policy recommendations on ensuring AI development serves human flourishing and democratic values
• Organized expert forums and workshops bringing together technologists, policymakers, and civil society representatives to address challenges of AI governance

Founded and lead Tobl AI, an AI consulting and automation provider.

• Provide AI consulting services to businesses and organizations
• Develop custom AI automation solutions for clients
• Help organizations implement and integrate AI technologies
• Train teams on effective AI utilization and best practices

Founded and led OXOpolitics, a political data platform to bring the power of political data to people.

• Developed innovative methodologies for aggregating and analyzing public opinion that capture nuance and complexity beyond traditional polling
• Created digital tools for facilitating more productive public discourse across political divides
• Implemented AI systems that present diverse perspectives on political issues to counter filter bubbles and polarization
• Partnered with local governments to pilot new forms of citizen participation in policy development

Led development teams working on Airbnb's core booking platform, transportation, and payments systems.

• 2019-2020 Transportation Team: Designed and built backend 2 services and contributed to the frontend React UI for Airbnb's Transportation Vertical Search
• 2016-2019 Payments Teams: Worked on payout system processing >100k transactions per day, Airbnb Resolution Center Backend, and Host Commerce Team
• Architected and implemented key components of Airbnb's trust and safety infrastructure, enhancing security while maintaining user experience
• Redesigned and rebuilt a legacy Ruby service to a modern Java service for the payout system
• Designed and delivered the entire backend of Airbnb Resolution Center
• Mentored junior engineers and contributed to Airbnb's engineering culture and practices

Worked on Twitter's search quality and language engineering teams.

• 2015-2016 Search Quality Team: Improved search results' relevance and worked on query processing and understanding
• 2013-2015 Language Engineering Team: Developed Twitter's Language Processing Library for language identification, text tokenization, and phrase extraction
• Created twitter-korean-text, an open-source Korean text processor that was later open-sourced by Twitter
• Led a 5-engineer team for the Twitter Language Processing Library
• Received multiple awards including Core Value Award (Q3 2013) and Most Popular Project Award (Q2 2013)

Worked on job posting crawler and ingestion systems.

• Developed job posting crawler
• Built job posting ingestion and aggregation engine
• Used Java, Elasticsearch, and JavaScript

Worked on automatic data curation and cataloging.

• Developed automatic data cataloging using Support Vector Machine
• Created Voronoi data generation
• Used Ruby, Python, Hadoop, and Amazon Elastic MapReduce