• Be responsible for all algorithm modules of Autinavi search engine, including Authority model, Text relevance model, Click rate model, Personalization model, etc.• Built user satisfaction metrics with both human evaluation and user behavior statistics way.• Built and maintain user log system for search engine.

MoguTrip is a real-time price comparison outbound hotel metasearch engine for Chinese travel agency. It was founded in April 2015 and have more than 40 employees now. It raised $4 million in Series A funding in October, 2015. I joined this company as product management partner from its very first day.• Analyzed User needs, Developed product roadmaps, Crafted products and Managed projects including UI, data, and partial trade process.• Integrated more than 20 suppliers' data with 2,000,000 hotels in all.• Led risk management. Controlled trade risk for each supplier in every step and reduced the issue rate from 20% to 5%.

Algorithm optimization: 1.Take charge of Algorithm feature optimization and Data Analysis for image and video Search for En-Us market2.User scenario study, product line planning, feature spec writing, algorithm design communication, feature experiment analysis, work closely with Chinese and US team. Data Mining:1.Competitor analysis and Data monitor for the whole vertical search.2.Metric selection and experiment analysis for all product lines.

2010/11 to 2014/03 AliExpress.com (Global retail transaction platform of Alibaba Group) Senior Product Manager in search algorithm2011/06 to 2014/03 Search Ranking Be responsible for the Ranking of keyword search and category list independently, bearing the most important KPI of department, search to order conversion rate. Raising the rate 34.7% cumulative;• Design: Carried out 4 times structure revolution, accumulated more than 20 times upgrading, involving Relevance Model, Prediction Model of clicking and ordering, seller service level and danger controlling, allocation of market resources. Dominating the direction of the algorithm and knowing the very details of the algorithm.• Operation: Made product operation plan, broadcasted the ranking role to sellers, and made them follow up via text and video lessons, one by one communication by operations people , interaction in the BBS , building seller data platform and etc. 2011/ 06 to 2014/03 deploy data monitoring platform and analyse dataDesign and deploy data product, acting the role of BI within the department;• Data acquisition: Rearranged PV and click data acquisition system which monitors the exposure of every function module, the product that user had actually seen, and the user click behaviour. Validating the data accuracy;• Bucket Test: Built a multi-version comparison test system (bucket test), and debugging data usability several times;• Data Monitoring & Analysis: Made data daily, explained data fluctuation reasons to the superior; did thematic studying by using SQL to get particular data;2010 /10 - 2011/ 06 optimize product for understanding user intent• Sat the direct of decreasing zero or low results rate and guiding user to high conversion rate page In order to improve order conversion rate and CTR. Optimized the algorithm and user interface of the product including Related Search, Auto-Suggestion, Query ReWrite, Synonym Expansion;

2009/06 - 2010/10 Advertising and Search Center (serving for internal B2B platform of Alibaba Group) Product Manager in user interface2010 /06 - 2010/ 05 design and promote shopping guide product• Design: Designed the whole new Popular Search List ;• Promotion & Operation: By combining the needs of each department , promoted the new product to website homepage, each sub-channel’s homepages, search result page , eDM, IM, seller operation page, service and selling department, Taobao and etc. 2009 /10 - 2010/ 05 search promotionCooperated with bro teams as the only interface person of department, raised the search traffic from 5.5 million (2009 Q2) to 7 million (Q3), till 11 million (Q1 2010);• Inside: Created the personalized search product, IM Search Plugin. created the whole new product, Ali Hot Product Gallery for information department, and participated in making promotion plan, followed up the execution;• Outside (SEO \ BD): Greatly improved the external traffic and reduced bounce rate through the project like browser auto-float toolbar, landing page revision, URL static and etc.2009 /06 - 2010/ 09 optimizing user interface of search result page• Improved user experience of search result page by optimizing the Refine region, uniforming search-bars of entire site, optimizing the overall visual effect and etc.

2008 /12 - 2009/ 05 design and promote interactive product• As the only product manager, designed the whole new interactive community, inclueding information structure designing of the whole new product and the detail designing of sub-product. Then, promoted it to each channel in the whole website;2008 /01 - 2008/ 11 design and promote tourist destination channel• As the only product manager, combed and mined product’s selling point, optimized and promoted product according to the priority, like data sources improvement and UI/UE optimization. Increased own-user 110% and user viscosity 30% within six months.• Designed the whole new log collection and analysis system of Travel Channel, and debugged the data accuracy. Then, promoted it into all channels2007 /06 - 2007/12 design and market business product of real estate channel • As the only business product manager, mined new product’s selling point, tested marketing, wrote the sales tools and user manuals. Supported the Sales to achieve targets, balanced the benefit between users and customers;• Google AdSense: Managed google AdSense of entire site, reached revenue targets;