Managed all Science and Engineering teams at Gro: data viz/web app, API, data ingestion and transformation pipelines, infrastructure, data science, quant science, geospatial/remote sensing teams (Grew team to 45 team members, in two locations). Also led Product Management team for the first 3 years.Responsible for technical architecture, roadmap; very “hands-on” in ML/AI, platform services, data pipelines, storage architecture, client, api, crop science, hydrologyBuilt platform with 10^14 data points, web app, and api. Launched dozens of industry leading machine learning models predicting crop yields, production, diseases, and the first fully automated global drought index.Developed company wide hiring process and OKR process, helped with fund raising and business development.

Contributor by Google aka X-Ads aka Ωads Inventor/Founder and Tech Lead New product that allows users to pay not to see ads, through market-based micropayments for content (web, video, apps)

Ad Exchange (AdX) Tech Lead for auctions, market algorithms, mathematical optimizationLaunched key features including probabilistic budget throttling for buyers, private exchanges, seller reserve price optimization; Led technical integration of Admob acquisition into Ad Exchange; Helped with AdMeld acquisition.

Web search:Designed, implemented and launched about a dozen ranking algorithm improvements for web search on Google.com.Side projects: Launched Ethiopic transliteration in Gmail, Google Docs and SearchCo-led project to develop Ethiopic fonts in Android OS (launched in 2011); Negotiated a deployment of Google Global Cache saving 60% bandwidthRan Android and App Engine developer contests in 4 countries

Electrical Engineering class on Game Theory & Applications in Telecommunications and the Internet.

Bandwidth auction/exchange software. Company founded out of my PhD thesis research. Created software platform for real time auction-based Internet transit bandwidth exchange between ISPs and content providers. Operated/Licensed at 5 of the world’s major internet traffic exchange points in New York and Amsterdam. Participants included Telefonica SA, Deutsche Telkom, Lucas Arts, Panasonic, Linkshare, Yipes Communications, Accuradio, Game Trailers and dozens of others. Raised $13M of investment, built team of 40 employees. Served as CEO (1999-2001 and 2003-2007), and CTO throughout.

VOIP

Bellcore (Telcordia) -- summer 1997Bell Labs (Lucent) -- summer 1996United Nations (UNECA PADIS) -- summer 1995Intelsat -- summer 1993Dominion Radio Astrophysical Observatory -- summer 1990McGill Research Center for Intelligent Machines -- summer 1988, 1989

Voice recognition. Designed a 'speaker spotter' system, using Hidden Markov Models, and implemented in C++. Achieved industry-leading precision in recognizing and identifying individual speakers in large populations.