Hi, I’m Haesun.
I partner with technology companies to accelerate product discovery and the journey towards product-market-fit.
Examples of Recent Work
Led bank partner transitions and resiliency investments for ACH payments platform that moves $xB+ of payroll funds at an annualized rate
Conducted product due diligence for an acquisition target, which resulted in a successful $850M transaction
Achieved full attribution of client funds by building the v2 of the general ledger and standing up manual bank reconciliation workflows
Brought messaging industry’s first unified Content API to market, leading the process from 0 to 1
Grew messaging channel revenue by 5x by building features that unlocked enterprise use cases in marketing, customer support, and healthcare
Oversaw design partner programs and strategy for investments in rich messaging channels
About Me
I’m Haesun. I’m a product consultant and advisor.
Previously, I was a product lead at Check and Twilio where I built expertise in embedded fintech, developer experience, and customer engagement channels. Before my product career, I worked at Cornerstone Research and EducationSuperHighway. I hold degrees from the Wharton School (MBA), Penn School of Engineering (MCIT), and Georgetown University.
I’m currently based in San Francisco. Beyond my work, I’m a proud mother, Korean American, and a dabbler in letterpress printing and calligraphy.