Lee Ha Email and Phone Number

- PM of the Risk Intelligence Decision Engine. It intelligently trades off Losses and UX to make optimal risk & reward decisions. Patent Pending.- Member of the Risk Intelligence leadership team, which leads the 70+ Eng & MLE org driving Risk decisions at Stripe and is responsible for a $XXXM loss number in the P&L.- Also the PM Lead for Credit Risk, reducing credit losses at Stripe. - PM for our 0-to-1 internal Credit Underwriting Dashboard to manage the top 10k credit risk users. - Pivoted credit org in 2022 to prepare for macro downturn.- Defined credit product strategy with cross functional peers (EM, BL, DS).- Planning on all horizons (quarterly, annual, 4 year, 10 year).- Come up with ideas, socialize ideas (visioning, product features, features for ML models, roadmap creation, and staffing).- Execute and get things done.

• Role expanded to include the full purchase experience on the world’s largest ticketing marketplace: Onsales Queuing, Event Detail Page, Checkout, Fraud, Abuse and Resale Marketplace generating and protecting $12B in sales with 16B bots blocked.• Develop product vision with engineering leadership, build tactical roadmaps, and drive executive buy-in with the C-suite.• Six years’ experience managing PMs; currently mentoring and leading a team of 4 PMs supporting 40+ engineers.• Modernizing the Event Detail Page, where users select and buy tickets off an Interactive Seat Map, by replacing a monolithic service with a streams-based architecture, which will significantly reduce inventory latency and errors during critical onsales. • Modernizing Checkout into a composable system with AWS step functions, lambdas, and modular UI components, allowing for greater UX design variability and conversion optimization with more effective A/B testing.• Launch and scale new products to prevent fraudulent & abusive behavior (e.g. bots, ATO, fraudulent purchases) with 10+ products currently in the portfolio and multiple integrations with best-in-class vendors (e.g. Braintree, Distil, NuData).

Owner of the portfolio of fraud prevention products that protects 10% of Ticketmaster's bottom line profits.• Built the 2019 fraud product roadmap, established buy-in with executive leadership and partner product teams, and drove execution resulting in the launch of new fraud prevention products, including 2 ML models, 3D Secure, and real-time account locking. Significantly outperformed 2019 targets, reducing fraud losses by 38% YoY vs a goal of 10% YoY.• Launched a ML fraud model that is retrained nightly on a rolling window dataset and is redeployed daily to score orders for each morning’s onsales in real-time; the scores are used in manual review and reduced fraud losses by $1.5M in just 6 months, equivalent to the profit on $30M in sales.

Owner and creator of the Marketplace intake process.• Created and led a new intake process for the Marketplace business to understand the value, scope, and impact of new investment ideas, both from a business and staffing perspective. This process was upstream of, and led into, funding decisions.

Product lead of the Resale Marketplace business.• Led a team of 3 PMs overseeing the US Resale Marketplace, a regulated two-sided marketplace for resale tickets with Purchase, Seller Listing, and Seller Payout flows. With 3 agile dev teams, grew sales 10x in 2014 to $450M via buy side updates (e.g. view from seat, A/B testing) and sell side updates (e.g. payout to debit card, more inventory). In 2019, US resale hit $1.6B in sales.• Expanded the Resale Marketplace to Canada in 2015, internationalizing the Purchase, Listing, and Payout flows and integrating a different payment processor for the CA market (Chase Paymentech). Sales grew from zero to $18M in year 1 and $78M in 2017.• Launched the #1 priority in 2017 to expand Ticketmaster’s resale TAM to include 3rd Party Events (3PE), which involved 100+ people spanning many cross-functional teams; owned the end-to-end user experience and requirements, and led a team of 15 product managers to grow the 3PE business to $70M in sales. By 2019, 3PE had grown to over $120M in sales.

• Product owner of the ticket insurance business in North America; grew the business 29% YoY in 2012 via feature updates.

• Presented competitive analysis of Cox Communication’s possible entry into the wireless market to finance leadership, focusing on target markets, positioning, and pricing strategy.

• Worked in Paris, France from 2006 to 2008 embedded in a French team, developing new UIs to meet NATO end user needs.

• Supported the full software lifecycle from definition of customer requirements to design, code and testing of new features.