Jun 2015 – Nov 2016 · 1 yr 5 mos · San Francisco Bay Area

• Tech Lead for search ranking team, responsible for building machine learning models of search to booking process and implementing improvements to drive booking growth. Watch my Search at Airbnb tech talk:

Dec 2009 – Jun 2015 · 5 yrs 6 mos · Mountain View, CA

• Part of the founding team who starts Google’s open domain question/answering project, composed of veteran and top NLP researchers with the goal of saving user’s reading time by directly presenting answers. Built a large scale machine learning service that automatically infers semantic meaning from webpages. This service was launched in the beginning of 2014 and now accounts for a large portion of all searches, including text (Google Search) and voice (Google Home).
• I was the tech lead for questions with short answers. For examples of my work, search in Google:
• What car did james bond drive in skyfall
• who was the us president who first brought pets into white house
• Who is the fastest man in the world

Apr 2008 – Dec 2009 · 1 yr 8 mos · Sunnyvale, CA

• Core team member of Yahoo Search Machine Learning ranking team. Designed and implemented large scale machine learning algorithms that made biggest improvements in Yahoo Search Relevance.

Aug 2006 – Apr 2008 · 1 yr 8 mos · New York, NY

• Part of a team that developed a machine learned ranking system to predict potential failures of New York City’s power grid. The prediction was used to prioritize the power grid maintenance and the system was adopted by Con Edison, New York.