Jianlei Chen Email & Phone Number

San Francisco, CA, US

San Francisco, CA, US

Built a merchant quality score model and ran AB test using the score to redistribute platform impression, increased retention and reduced refund rate by 10% and increased consumer NPS by 5x.Use a data driven approach and established the Wish Standard, providing incentives and guidelines for merchants to improve quality.Lead and successfully launched the.

San Francisco, California, US

• Developed exclusivity impact allocation model to quantize business gain from Uber exclusive deal at the request of CEO, facilitating business decision of potentially launching exclusive rental products globally.
• Built recommendation model for Unified Marketplace platform, enabling drivers without vehicles to rent a vehicle and drive for Uber. The product was deployed in several markets and received positive feedback.
• Built ETL pipelines and dashboards for daily KPI reporting.
• Identified business opportunity of Uber exclusive contract.

Richmond, Virginia, US

• Developed feature-based machine learning algorithms to accurately price pre-owned cars.
• Collaborated with cross-functional teams in designing and implementing a car transfer pricing strategy. Ran a supply analysis, and adjusted the range for free transfer, resulting in an estimated $4M of annual revenue.
• Focused on replacing a 10-year old markdown algorithm by developing a new one. Designed a two-layer ensemble machine learning model (XGBoost and Bayesian inference) to predict future vehicle performance based on.

Washington, D.C., US

• Lectured senior undergraduates in Thermodynamics.
• Designed research projects for the course.
• Created Homework problem sets.

Washington, D.C., US

• Taught 100+ undergraduate students on University Physics I, Macroscopic biophysics and Quantum Physics.
• Received 90% positive commends.
• Coordinated student group discussions and presentations.
• Hosted discussion sessions, assisted students during lab sessions, and resolved group conflicts.

Beijing, CN

• Researched Facebook API and recommended implementation of the Media Buy project.
• Designed interface between company front end (web pages using Java) and back end (company database in SQL) using php; programmed function blocks such as insert, delete, look up and change to database.
• Built data warehouse in SQL and gave feedback on media buying performance (daily traffic, clicks, costs).
• Created daily analytical reports of campaign results on a platform accessible to media buyers and media representatives; reports informed advertising space negotiations.

Washington, D.C., US

• Developed qualitative molecular model based on experimental observation that explains the Zyxin depleted human fibroscaroma cell oscillatory migration, which could lead to a new direction of cancer treatment and.
• Discovered molecular insights of active/passive transportation as a key role of generating oscillation.
• Created a general simulation framework for the field of molecular oscillation.
• Trained and mentored student intern in molecular modeling and analytical tasks.
• Set up and designed research group website, improving publication search efficiency.

Washington, D.C., US

• Maked reservation for the biophysics seminar to happen.
• Processed paper work to bring in guest speaker.
• Sent out seminar related announcement.

Emporia, KS, US

• Set up and designed lab equipment website, improved look up efficiency.
• Documented and manged lab equipment.
• Assisted professor to prepare for class, recorded experiment video for student to analyze.

Emporia, KS, US

• Helped new incoming international students to get used to campus life.
• Organized welcome week activities, team building with new students.

Doctor Of Philosophy (Ph.D.), Physics

Certificate, Data Science

Bachelor’S Degree, Physics