Chunhsiang Chang
Senior Data Scientist @ AWS || Data Science X Business Operations || UT-Austin
- Role
- Senior Data Scientist Data Sceintist Ii at Amazon Web Services (AWS)
- Location
- Seattle, WA, US
- LinkedIn followers
- 500 followers
Experience
Senior Data Scientist Data Sceintist Ii
Feb 2022 — Present · Dallas, TX, US
o Segmented AWS Enterprise Support customer by revenue and complexity. Then, forecasted the customer count time series by geographical area of each customer segment to guide HC plan of technical account managers.o Developed arrival pattern forecast and linear programming model for site optimization. This framework guided HC distribution across global sites to enhance live-contact support coverage and save estimated $36.8M in annual OPEX o Built time series models across multiple work-stream to forecast Amazon’s global IT service demand. The forecast guided IT organization’s HC planning with a 95%+ accuracy under quarterly refresh cycleo Built simulation algorithm to demonstrate support queue’s sensitivity to different HC planning assumptions using key metrics such as service-level agreement, throughput and backlog
Education
National University of Singapore
One year exchange programme
2015 — 2016
National Taiwan University
Bachelor's degree, Economics
2013 — 2017
The University of Texas at Austin
Master of Science - MS, Business Analytics
2018 — 2019
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