Qiuyan Liu
Assistant Actuary at China Reinsurance Group Company
Beijing, Beijing, China
Summary
👤
Senior🎓
Top SchoolQiuyan Liu is an Assistant Actuary with a decade of experience in risk management and reinsurance, currently working in the Risk Management Department at China Reinsurance Group in Beijing. She holds an MSc in Risk Management and Actuarial Science and a Bachelor's in Statistics from Renmin University of China, grounding her technical work in strong quantitative training. Her career began with internships at Swiss Re and China Re, where she gained hands-on exposure to high-end health insurance pricing and insurance risk management. Qiuyan combines actuarial rigor with data science sensibilities, reflected by her GitHub identification as a data scientist, and applies analytical methods to reinsurance risk modeling and decision support. Colleagues value her for translating complex probabilistic models into practical risk controls and reinsurance strategies. She brings a pragmatic, research-informed approach to managing portfolio-level risk in large-scale reinsurance operations.
10 years of coding experience
master of science, risk management and actuarial science, master of science, risk management and actuarial science at Renmin University of China
Github Skills (15)
lightgbm9
gradient-boosting9
python9
r9
classification9
parallel9
data-mining9
kaggle9
decision-tree9
machine-learning8
algorithms8
gbm8
algorithm2
malware1
cran1
Programming languages (3)
Github contributions (5)
Qiuyan918/Adversarial_Validation_Case_Study
Apr 2019 - Dec 2019
当样本分布发生变化时，交叉验证无法准确评估模型在测试集上的效果，这时候需要其他构造验证集的方法来应对。
Contributions:9 commits, 8 pushes, 1 branch in 7 months
Qiuyan918/m5_forcasting
Jul 2020 - Sep 2020
Contributions:3 commits, 2 pushes, 1 branch in 2 months
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