Oct 2025 — Present · New York, New York, United States
Founder & Principal, AI & Business Operations
YOO, LLCJul 2023 — Present · New York, United States
Built LLM-powered agents and workflows using Python and Anthropic API to automate research, reporting, and execution tasks, lifting output per head 200% in 10 months. Ran discovery across distributed teams to map workflows and prioritize AI use cases by ROI; converted ambiguous requirements into shipped workflows embedded in day-to-day operations. Built KPI dashboards and monthly operating scorecards tracking throughput, cost, delivery, and bottlenecks. Redesigned workflows and capacity for a biotech launch spanning three continents, scaling to 1,000+ B2B memberships in 10 months while cutting operating costs 15%.
Jul 2021 — Jul 2023 · New York, United States
Built the operating system for a 40-person Series A proptech company through acquisition: quarterly planning, leadership reviews, capacity tracking, KPI governance, and company-wide accountability. Shipped automated lead scoring and routing across an $80M GTM funnel, lifting conversion 150% and cutting cycle time 30% in two quarters. Built pricing and quoting tools that replaced ad hoc discounting with data-grounded logic, expanding margin 150% and profitability 20% YoY. Partnered with Finance to build an accounts-receivable workflow and scorecard, recovering $5M+ and reducing delinquency 25%.
Jun 2019 — Jun 2021 · New York City Metropolitan Area
Led change management across five departments, scaling a team from 5 to 20 and building onboarding, training, SOPs, dashboards, and performance metrics for a $70M unit. Turned around a $3M drop-ship division with dashboards, vendor systems, SLA governance, and operating reviews; reduced delays 25% and drove 30% YoY growth. Launched a first loyalty program across Sales, Marketing, and Operations, generating $400K in 4 months at 900% ROI and doubling mid-tier customer turnover.
Jan 2017 — Jun 2019 · New York, New York, United States
Scaled consulting delivery across 5+ Fortune 100 clients by standardizing workflows, resource planning, and operating processes. Expanded delivery capacity and tripled revenue from $300K to $1M in 24 months.
Oct 2015 — Jul 2016 · New York, New York, United States
Dec 2010 — Jun 2014 · Seoul, South Korea
Co-founded and operated a six-person publishing and design studio, overseeing product, operations, and go-to-market. Secured government funding, shipped three books, and keynoted Korea's largest public forum in 2013.
Mar 2008 — Jun 2010 · Mokpo, South Jeolla, South Korea
Served as company executive officer in the South Korean Army.