Chiao-Ya Chang
Angestellt, Supply chain simulation and analytics manager, Bayer
Studentin, Agrarwissenschaften, Rheinische Friedrich-Wilhelms-Universität Bonn
Berlin, Deutschland
Werdegang
Berufserfahrung von Chiao-Ya Chang
2 Jahre und 2 Monate, Juli 2021 - Aug. 2023
Commercial data scientist
Bayer
- Drive digital transformation at country level - Data science project management - Stakeholder relationship - Quantitative analysis - Data modeling with a focus on marketing data (clustering/ prediction/optimisation) using python - Data visualization app using streamlit and docker container - Generate business insights from data-driven solutions - Suggestion Engine use case pilot and roll-out - Define process and deliver solution
1 Jahr und 6 Monate, Dez. 2019 - Mai 2021
Data Scientist
Lidl Stiftung und Co. KG, Neckarsulm
- SQL - Data modeling (time series and statistical modeling - regression/ polynomial/ logic models) in Python - Dashboard visualization using dash or streamlit - Web programming with flask in Python (basic knowledge in HTML5, css, bootstrap, js, SQLite) - Knowledge in Pyspark
6 Monate, Apr. 2019 - Sep. 2019
Forschungsreferentin
EuroCARE GmbH
- Economic model development in the EU project (AgCLIM50 III Project) - Knowledge and Hands-on experiences in data ETL, using R packages "lrmest" for mixed estimation with prior information, "ggplot2" for visualization, "AER" and "dplyr" for OLS IV regression by factor levels and using mathematical programming in GAMS for data calibration, consolidation and optimization - Knowledge of distributed version control system Git and experience in centralized version control system SVN
2 Jahre und 7 Monate, Sep. 2016 - März 2019
Research assistant
University of Bonn
− Economic model development in the EU SUSFANS project − Data ETL process, data cleaning, calibration and consolidation and data warehouse − Specialized in mathematical programming models (programming in GAMS), specifically within global agricultural economic (CAPRI) model, used for fisheries policy analysis and simulation − Experienced in programming/modeling, statistics and econometrics − Knowledge of distributed version control system Git and experience in centralized version control system SVN
9 Monate, Juli 2012 - März 2013
Research assistant
Academia Sinica, Taiwan
Assist administration affairs and research topic regarding sustainability
6 Monate, Okt. 2011 - März 2012
Trading Assistant Manager
GRT. INC.
1. Manage orders and delivery 2. Contact factories and clients
1 Jahr und 11 Monate, März 2007 - Jan. 2009
Senior financial planner
Manulife
8 Monate, Juli 2006 - Feb. 2007
Financial Planner
E-Sun Bank, Taiwan
Ausbildung von Chiao-Ya Chang
Bis heute 10 Jahre, seit Okt. 2014
Agrarwissenschaften
Rheinische Friedrich-Wilhelms-Universität Bonn
PhD Candidate − Specialized in mathematical programming models, specifically within global agricultural economic (CAPRI) model, used for fisheries policy analysis and simulation − Experienced in programming/modeling, statistics and econometrics (using GAMS and R)
1 Jahr und 11 Monate, Sep. 2008 - Juli 2010
Economics
Taiwan National Central University
Competitive anaysis
3 Jahre und 10 Monate, Sep. 2002 - Juni 2006
Economics
Taiwan National Central University
Sprachen
Chinesisch
Muttersprache
Englisch
Fließend
Deutsch
Gut