{
  "$schema": "https://schema.org/Person",
  "version": "2026.11.02",
  "deployment": {
    "strategy": "blue-green",
    "activeRoot": "blue",
    "blueEnvironment": {
      "name": "Classic Pelican Archive (Blue)",
      "url": "https://domij.info/",
      "aboutUrl": "https://domij.info/pages/about-me.html",
      "archiveUrl": "https://domij.info/archives.html"
    },
    "greenEnvironment": {
      "name": "Next.js + Three.js Interactive Constellation (Green)",
      "url": "https://domij.info/next/",
      "framework": "Next.js 15 App Router + Three.js (@react-three/fiber)"
    }
  },
  "persona": {
    "name": "Domi Jin",
    "alternateName": "Dongming Jin",
    "headline": "Scientist. Builder. Founder.",
    "tagline": "A sci-fi mind. An engineer’s hands.",
    "education": {
      "degree": "Ph.D. in Applied Physics & Astrophysics",
      "institution": "University of Texas at Arlington",
      "year": 2018,
      "fellowship": "LSST Data Science Fellowship Program (2016–2018)"
    },
    "mission": "I work on machine learning and decision systems. My background is in computational astrophysics; my current interests are learning, human judgement and how people work together.",
    "centralQuestion": "What helps people make better decisions, learn well and work together?",
    "background": [
      {
        "era": "Computational astrophysics",
        "period": "2013–2018",
        "summary": "I began in computational astrophysics, studying stellar dynamics and binary black holes through numerical simulation and statistical modelling.",
        "evidence": "Numerical simulations of globular clusters using N-body and Monte Carlo methods. Analysis of binary black hole evolution and gravitational-wave detection prospects for LISA. LSST Data Science Fellowship: statistical modelling, image processing and reproducible research workflows."
      },
      {
        "era": "Decision systems",
        "period": "2018–2024",
        "summary": "I then worked on machine learning for consumer products, marketplaces and advertising, where a model has to be useful within the constraints of a working system.",
        "evidence": "Recommendation systems using behavioural and contextual signals from mobility data. Marketplace pricing, generative AI request workflows and information exchange between users. Advertising analytics, model evaluation and causal attribution; published architecture notes on real-time bidding and multi-agent control."
      },
      {
        "era": "Learning and human–AI collaboration",
        "period": "2018–Present",
        "summary": "Building a company brought me closer to the people using the technology. It made me more attentive to what they need, and to the gap between a promising idea and something useful.",
        "evidence": "Kin Domi, Inc.: AI and community projects concerned with older adults’ independence and access to technology. Open Learning Lab and baby-AI: open research into learning, and specifications for a household agent that runs on local hardware. Essays on learning, team coordination and human–AI collaboration in Domi’s Mind Waves and elsewhere."
      }
    ],
    "philosophy": {
      "coreBelief": "Good work depends on more than individual ability. Shared context, trust, complementary skills and sensible incentives matter, as does room for people to exercise their own judgement.",
      "valueMeasure": "I judge technology by what it helps people do: understand a problem, make a choice, learn a skill or spend their time better. Technical elegance is valuable when it serves that purpose.",
      "methodology": "I try to make assumptions explicit, build something that can be tested and pay attention to the result. Revising an explanation is part of the work.",
      "epistemicNote": "These are ongoing questions. The linked work distinguishes observations, proposals and research findings."
    },
    "correspondence": {
      "summary": "If you are working on a related question, I would be glad to compare notes.",
      "detail": "Questions, useful references and considered disagreements are welcome.",
      "contact": {
        "email": "contact@domij.info",
        "linkedin": "https://www.linkedin.com/in/domijin",
        "github": "https://github.com/domijin",
        "substack": "https://domijin.substack.com/",
        "medium": "https://medium.com/@domijin"
      }
    }
  },
  "intellectualInterests": [
    {
      "id": "collective-intelligence",
      "title": "Collective Intelligence",
      "question": "How do individual capabilities combine to produce collective outcomes?",
      "color": "#1DAEDF",
      "synthesis": "I am interested in how shared knowledge, communication and trust help groups make use of what their members know."
    },
    {
      "id": "human-ai-collaboration",
      "title": "Human–AI Collaboration",
      "question": "How can intelligent systems support human judgement and agency?",
      "color": "#2980b9",
      "synthesis": "Current projects explore personal memory, voice and messaging interfaces, and local processing, with attention to privacy and human judgement."
    },
    {
      "id": "organizational-intelligence",
      "title": "Organisational Intelligence",
      "question": "How do communication, coordination, trust, and incentives shape collaboration?",
      "color": "#0284c7",
      "synthesis": "My writing considers shared values, complementary skills, incentives and the practical costs of coordination."
    },
    {
      "id": "complex-adaptive-systems",
      "title": "Complex Adaptive Systems",
      "question": "How do interactions among individuals give rise to emergent social and organisational behaviour?",
      "color": "#0369a1",
      "synthesis": "Stellar dynamics, traffic and marketplaces raise related questions about interactions and feedback. I use these comparisons as starting points, with care about where the analogy stops."
    },
    {
      "id": "decision-intelligence",
      "title": "Decision Intelligence",
      "question": "How can information, feedback, and experimentation improve decisions?",
      "color": "#0ea5e9",
      "synthesis": "Work on causal inference, experimentation and decision systems has made me interested in what we measure, and whether it reflects the outcome we care about."
    },
    {
      "id": "human-potential",
      "title": "Human Potential",
      "question": "How can technology make learning, opportunity, and meaningful participation more accessible?",
      "color": "#0284c7",
      "synthesis": "Open Learning Lab asks whether learning with AI leads to understanding that lasts and can be used independently. Other writing considers play and learning throughout life."
    },
    {
      "id": "ai-and-society",
      "title": "AI and Society",
      "question": "How might increasingly capable intelligence change the ways we work, cooperate, and live?",
      "color": "#328cc7",
      "synthesis": "Essays consider accessibility, autonomy and the incentives behind AI systems, including observations from work with older adults."
    }
  ],
  "writings": [
    {
      "id": "open-learning-lab-protocol",
      "title": "Open Learning Lab: Evidence-Driven Personalized Learning Policies",
      "date": "2026-08",
      "source": "GitHub",
      "url": "https://github.com/domijin/open-learning-lab",
      "pillar": "human-potential",
      "secondaryPillars": [
        "human-ai-collaboration",
        "decision-intelligence"
      ],
      "summary": "An open research ledger testing which LLM-mediated learning policies produce durable, transferable capability per unit of learner effort outside the tutoring session.",
      "keyInsight": "The study asks whether making a design judgement before seeing an expert solution improves later recall and transfer compared with explanation-first tutoring."
    },
    {
      "id": "baby-ai-edge-specs",
      "title": "baby-AI: Receipt-Verified Edge Household Agent Architecture",
      "date": "2026-05",
      "source": "GitHub",
      "url": "https://github.com/domijin/baby-AI",
      "pillar": "human-ai-collaboration",
      "secondaryPillars": [
        "decision-intelligence",
        "ai-and-society"
      ],
      "summary": "Five subsystem specifications for perception, speech, memory, adaptation and evaluation, with a hardware cost target below $200.",
      "keyInsight": "The design uses signed evaluation records to make claims about on-device learning and privacy inspectable."
    },
    {
      "id": "imessage-ai-router",
      "title": "Life Hack: iMessage as a Low-Bandwidth Router to the Internet",
      "date": "2026-04",
      "source": "Blog",
      "url": "https://domij.info/beta/",
      "pillar": "human-ai-collaboration",
      "secondaryPillars": [
        "human-potential"
      ],
      "summary": "An experiment in using messaging to reach internet-connected agents over limited connections, including in-flight Wi-Fi and satellite text.",
      "keyInsight": "Messaging offers a familiar, asynchronous interface for asking an agent to do something without keeping a browser session open."
    },
    {
      "id": "reclaiming-play",
      "title": "Reclaiming Play as a Life Skill",
      "date": "2025-03",
      "source": "Substack",
      "url": "https://domijin.substack.com/p/reclaiming-play-as-a-life-skill",
      "pillar": "human-potential",
      "secondaryPillars": [
        "complex-adaptive-systems",
        "ai-and-society"
      ],
      "summary": "Examines Jane McGonigal's game mechanics (goals, rules, feedback systems, voluntary participation) through conversations with senior learners and retirees.",
      "keyInsight": "The essay considers what clear goals, feedback and voluntary participation can contribute to learning throughout life."
    },
    {
      "id": "tesla-seniors-safety",
      "title": "Tesla, Seniors Love Your Self-Driving—Now Let’s Make It Safer for Them",
      "date": "2025-02",
      "source": "Substack",
      "url": "https://domijin.substack.com/p/tesla-seniors-love-your-self-drivingnow",
      "pillar": "ai-and-society",
      "secondaryPillars": [
        "human-ai-collaboration",
        "decision-intelligence"
      ],
      "summary": "Observations from work with older adults at Kin Domi, alongside six proposals for more accessible driving-assistance interfaces.",
      "keyInsight": "The article proposes changes to alert timing, pre-drive checks and voice controls, based on difficulties observed with older users."
    },
    {
      "id": "overachievers-responsibility",
      "title": "Overachiever’s Responsibility: Leadership, Alignment, and Sustainable Growth",
      "date": "2025-02",
      "source": "Substack",
      "url": "https://domijin.substack.com/p/overachievers-responsibility-reflection",
      "pillar": "organizational-intelligence",
      "secondaryPillars": [
        "collective-intelligence"
      ],
      "summary": "A reflection on team alignment, complementary skills and sustainable working habits.",
      "keyInsight": "The essay uses greatest common divisors and least common multiples as metaphors for shared values and complementary skills, and considers the role of incentives."
    },
    {
      "id": "colorful-year-rhythm",
      "title": "A Colorful Year Ahead: Milestones & Momentum from Intentional Rhythm",
      "date": "2025-01",
      "source": "Substack",
      "url": "https://domijin.substack.com/p/a-colorful-year-ahead",
      "pillar": "organizational-intelligence",
      "secondaryPillars": [
        "decision-intelligence"
      ],
      "summary": "Notes on the eighth revision of a working model built around shared calendars, asynchronous collaboration and weekly reflection.",
      "keyInsight": "The working model explores whether shared calendars and asynchronous contributions can make coordination easier."
    },
    {
      "id": "agent-based-ad-tech-spec",
      "title": "Agent-Based Advertising System & Observations in Performance Advertising",
      "date": "2025-01",
      "source": "GitHub",
      "url": "https://github.com/domijin/observations_in_advertising",
      "pillar": "decision-intelligence",
      "secondaryPillars": [
        "complex-adaptive-systems",
        "ai-and-society"
      ],
      "summary": "An architecture proposal for an eight-agent control plane and an ad-serving path targeting latency below 50ms at p99, with notes on performance advertising economics.",
      "keyInsight": "The proposal separates latency-sensitive inference from slower optimisation and experimentation in an asynchronous control plane."
    },
    {
      "id": "serendipity-and-highlands",
      "title": "Serendipity: Where It Sparks & Dedication: Where It Is Channeled",
      "date": "2024-12",
      "source": "Substack",
      "url": "https://domijin.substack.com/p/serendipity-where-it-sparks",
      "pillar": "collective-intelligence",
      "secondaryPillars": [
        "human-potential"
      ],
      "summary": "A personal reflection on connections between astrophysics, Confucian ethics and work across disciplines.",
      "keyInsight": "The essay considers how ideas from physics, machine learning and human–computer interaction can inform one another."
    },
    {
      "id": "starting-new-venture-kindomi",
      "title": "Starting a New Venture & Momentum in Human-Centered Elder AI",
      "date": "2024-12",
      "source": "Substack",
      "url": "https://domijin.substack.com/p/starting-a-new-venture",
      "pillar": "human-potential",
      "secondaryPillars": [
        "ai-and-society",
        "organizational-intelligence"
      ],
      "summary": "Notes on customer research, community outreach and forming the team behind Kin Domi, Inc.",
      "keyInsight": "Conversations about difficulties with technology often led to broader questions about independence, dignity and relationships."
    },
    {
      "id": "coach-seeking-reflection",
      "title": "Reflections from a Coach-Seeking Impulse",
      "date": "2024-12",
      "source": "Substack",
      "url": "https://domijin.substack.com/p/relections-from-coach-seeking-impulse",
      "pillar": "human-potential",
      "secondaryPillars": [
        "organizational-intelligence"
      ],
      "summary": "Examines the mechanics of coaching, intellectual honesty, and why shared context determines the effectiveness of feedback.",
      "keyInsight": "The reflection considers how honesty and shared context affect the usefulness of coaching."
    },
    {
      "id": "third-ear-twinmind-ama",
      "title": "Building Proactive Personal AI Memory (Third Ear / TwinMind AMA)",
      "date": "2024-11",
      "source": "Medium",
      "url": "https://medium.com/@domijin/another-team-building-skynet-in-the-name-of-jarvis-ama-163389dc5285",
      "pillar": "human-ai-collaboration",
      "secondaryPillars": [
        "human-potential"
      ],
      "summary": "An architectural discussion of personal AI memory, local voice processing, privacy in query rewriting and browser context.",
      "keyInsight": "The discussion explores how local processing and selective use of cloud services might balance personal context, privacy and cost."
    },
    {
      "id": "dark-mode-decision-workflow",
      "title": "Is Dark Mode Doing More Harm Than Good? A Deeper Look at Our Choices",
      "date": "2024-11",
      "source": "Medium",
      "url": "https://medium.com/@domijin/is-dark-mode-doing-more-harm-than-good-a-deeper-look-at-our-choices-a9685daad170",
      "pillar": "decision-intelligence",
      "secondaryPillars": [
        "ai-and-society",
        "organizational-intelligence"
      ],
      "summary": "Uses the visual ergonomics of dark mode as a case study to critique short-term agile feature shipping versus long-term user welfare.",
      "keyInsight": "The essay asks how product teams can account for longer-term effects alongside the immediate feedback from feature releases."
    },
    {
      "id": "applovin-hypergrowth-trace",
      "title": "Trace of AppLovin’s 7x Annual Hypergrowth & The Growth Trap",
      "date": "2024-11",
      "source": "Medium",
      "url": "https://medium.com/@domijin/trace-of-applovins-7x-annual-hypergrowth-39dcb154f5d0",
      "pillar": "complex-adaptive-systems",
      "secondaryPillars": [
        "decision-intelligence",
        "ai-and-society"
      ],
      "summary": "An analysis of behavioural data, scaling and latency constraints in advertising, with questions about the costs of continued growth.",
      "keyInsight": "The analysis asks where additional behavioural data stops adding useful value, and who bears the costs of the resulting systems."
    },
    {
      "id": "rethinking-digital-advertising",
      "title": "Rethinking Digital Advertising: Demand Mining & Dynamic Personalization",
      "date": "2024-10",
      "source": "Medium",
      "url": "https://domijin.medium.com/rethinking-digital-advertising-from-guesswork-to-user-engagement-6e1916a2aced",
      "pillar": "decision-intelligence",
      "secondaryPillars": [
        "human-ai-collaboration"
      ],
      "summary": "Proposes richer intent models, compact user profiles and interfaces that let users request different advertisements.",
      "keyInsight": "Letting users request different advertisements is proposed as a way to collect more deliberate preference feedback."
    },
    {
      "id": "traffic-lights-to-life-direction",
      "title": "From Traffic Lights to Life’s Direction: Crowdsourced Inference & Symbolic AI",
      "date": "2023-10",
      "source": "Medium",
      "url": "https://domijin.medium.com/from-traffic-lights-to-lifes-direction-57176d5d7a06",
      "pillar": "complex-adaptive-systems",
      "secondaryPillars": [
        "human-ai-collaboration",
        "decision-intelligence"
      ],
      "summary": "Explores how traffic-light timing might be inferred from crowdsourced trajectories, alongside reflections from Wolfram Summer School.",
      "keyInsight": "The piece considers what can be inferred from movement data, and where symbolic computation might complement language models."
    },
    {
      "id": "illegible-handwriting-bandwidth",
      "title": "Why Is Some Professional Handwriting Illegible? Information Bandwidth & HCI",
      "date": "2023-10",
      "source": "Medium",
      "url": "https://medium.com/@domijin/why-is-some-professional-handwriting-illegible-d07bd8acb818",
      "pillar": "human-ai-collaboration",
      "secondaryPillars": [
        "organizational-intelligence"
      ],
      "summary": "An exploration of documentation bottlenecks, the bandwidth of speech and writing, and institutional information barriers.",
      "keyInsight": "The essay asks whether voice interfaces could reduce the effort of recording information at its source."
    },
    {
      "id": "all-about-chatgpt",
      "title": "All About ChatGPT: Flat Correlation, Unit Economics & Alignment",
      "date": "2023-02",
      "source": "Blog",
      "url": "https://domij.info/all-about-chatgpt.html",
      "pillar": "ai-and-society",
      "secondaryPillars": [
        "collective-intelligence",
        "human-ai-collaboration"
      ],
      "summary": "A 2023 essay on language models, search economics, symbolic computation and the limitations of feedback used for alignment.",
      "keyInsight": "The essay asks how statistical prediction relates to reasoning, and who should participate in decisions about model behaviour."
    },
    {
      "id": "free-market-possibility-universe",
      "title": "Free Market in a Possibility Universe & The Collaborative Manifesto",
      "date": "2019-09",
      "source": "Blog",
      "url": "https://domij.info/free-market-in-a-possibility-universe.html",
      "pillar": "collective-intelligence",
      "secondaryPillars": [
        "complex-adaptive-systems",
        "organizational-intelligence"
      ],
      "summary": "Explores information asymmetry, resource coordination and proposals for liquid democracy.",
      "keyInsight": "The proposal considers how individual ownership and collective decision-making might be reconciled."
    },
    {
      "id": "astrophysics-bbh-research",
      "title": "Gravitational Waves from Binary Black Holes in Globular Clusters & Open Research",
      "date": "2018-07",
      "source": "Research",
      "url": "https://domij.info/pages/research.html",
      "pillar": "complex-adaptive-systems",
      "secondaryPillars": [
        "decision-intelligence",
        "collective-intelligence"
      ],
      "summary": "Doctoral work on globular clusters and binary black holes, alongside notes on reproducible computational research.",
      "keyInsight": "Numerical simulation, statistical analysis and reproducible workflows provided the methodological basis for my later work."
    }
  ]
}