Led all aspects of search experience and video recommendations. Search is Twitter’s second most used feature, used by 35% of DAU.- Grew search volume from 400M to 600M per day, increased the % of users who search each day by +14%, successful search rate +10%.- Transitioned search ranking from heuristic rules to be fully ML-driven- Launched infinite scroll video player in 3Q2022 with ML-powered recommendations, now accounts for 7% of UAM.- Led cross functional team of 70 Eng, PM, Research, and Design.

Joined as 40th employee and led multiple efforts touching most of the user experience:- Recommendations. Structured 10M+ local business recommendations to make it easier to find neighbor-recommended plumbers, roofers, restaurants, etc. Increased recommendations usage 5x and creation 3x.- Search. Improved search relevance, leading to 3x increase in searches per member.- Businesses. Launched business profiles; 500K+ businesses have claimed their pages.- Neighborhood Favorites. Launched local business awards program for the most loved 200K local businesses. - Local Interests. Expanded Nextdoor from "neighborhood news" to a platform where members can connect with locals who share their interests from biking to beekeeping.- City platform. Built Nextdoor's platform used by 3,000+ local governments and police departments.- Growth. Increased member invitation virality by 20%.

Founded VC-backed social recommendations service. NeedFeed helped consumers get recommendations for local services and products from their friend network.- NeedFeed was, at the time, the #1 recommendation network on Facebook.- 500K members worldwide.

Led all aspects of consumer-facing experience and product roadmap. Improved conversion to sale by 25%.BorderFree enables US merchants to easily sell internationally to 100+ countries. Clients include Macy's, Neiman Marcus, Williams-Sonoma, Overstock.com, Saks Fifth Avenue, Sears, Shoes.com, and 70+ other leading merchants.

Consulted to early-stage startups on product strategy and implementation. Projects included:- adap.tv (Acquired by Yahoo): Joined as 12th employee, served as interim VP Product.- Gemvara.com (Acquired by Berkshire Hathaway): Defined UX and functional requirements for gemvara.com.

Co-founded online search service that made in-store inventory from local retailers searchable on the Internet and mobile phones. Status as of Sept-07: Raised $7.5MM of venture funding, 14 employees, generating revenue.- Built network of 150 local product search sites with ~1MM monthly visitors. - Designed business metrics system, managed engineers, ran SEM program.

Started as 9th employee, launched the original site, and grew it into the Internet’s 3rd largest shopping site with 20MM+ monthly visitors generating $120MM+ in annual revenue. Ran consumer product management from company's inception through acquisition of Epinions.com (2003), re-branding as Shopping.com (2003), Shopping.com IPO (NASDAQ: SHOP, 2004), and acquisition by eBay for $620MM (2005).