Ÿ Lead programmer for phase II-III Rheumatoid Arthritis and Primary sclerosing cholangitis clinical studiesŸ Generated ADaM datasets and TFLsŸ Communicate with Statisticians, Clinical Data Managers, Clinical Operations, Medical Monitors, Medical Writing and Clinical Pharm to address programming related study deliverablesŸ Lead/Oversee multiple projects for the creation of SDTM, ADaM, TFLs, and define.xml and reviewer's guide.Ÿ Manage/Oversee 3 to 10 programmers on each study, including contractors and FSPŸ Lead the statistical programming support of FDA/EMEA/PMDA regulatory submissions follow CDISC standardsŸ Involved in development of statistical section of Protocol, SAP, review Case Report Forms (CRF) and Data Management documents.Ÿ Prepare and review ISS, ISE for FDA submission and work on related RTQsŸ Oversee outsourced statistical programming activities and cooperate with FSP and contractor on programming activitiesŸ Join Study Management Team meetings to address programming related issues and answer questions for deliverables and timelinesŸ Participated in SAS macro and Linux utility testing and provided inputs on improvementŸ Pinnacle 21 Enterprise trainer and Pinnacle Community co-trainerŸ TMF subject matter expertŸ Regularly do presentation in group meeting on topics like, preparing the PK/PD for FDA submission, lead programmer's checklist, prepare DMC package for double blind study, and P21E issue discussion.

 Lead programmer for phase II-III HCV, HIV clinical studies Generated ADaM datasets and TFLs Created and reviewed data packages (Define-XML and reviewer's guide) for regulatory submission  Lead programmer for multiple population PK and PK/PD studies and prepare e-submission package for FDA and PMDA Involved in development of statistical section of Protocol, Statistical Analysis Plan, review Case Report Forms (CRF), and Data Management documents. Prepare and review ISS, ISE for FDA submission and work on related RTQs Oversaw outsourced statistical programming activities

 Lead/validation programmer for phase II-III HCV clinical studies Generated and validated SDTM, ADaM datasets and TFLs

https://www.kaggle.com/junyingzhang20181. Use feature engineering and ridge regression to predict house sales prices2. Exploration data analysis and visualization on Google job skills3. Support vector classier and Gridsearch to classify Iris data with 100% accuracy4. Implement regularized logistic regression to predict whether microchips from a fabrication plant passes quality assurance5. Use anomaly detection algorithm to detect failing servers on a network

• Conduct statistical analysis and programming on large-scale healthcare claims data, e.g., Medicare, Medicaid.• Perform data extraction, integration, cleaning, produce analysis datasets, and generate statistical summary tables and figures.• Conduct descriptive analysis and performed statistical modeling including linear regression, logistic regression and Cox regression, survival analysis, propensity score matching analysis, etc.• Develop project related documents like protocol, statistical analysis plan, PPTs, abstract and poster.