Crystal Geng

Crystal Geng Email and Phone Number

Senior Data Analyst @ BC Public Service
Vancouver, BC, CA
Crystal Geng's Location
Vancouver, British Columbia, Canada, Canada
About Crystal Geng

UBC Master of Data Science Graduates and Master of Chemistry. Professional in Advanced Modelling of Neural Networks (CNNs & Transfer Learning), Supervised & unsupervised, Dimensionality Reduction, tree-based models; Python, R, SQL Database; the AWS Cloud Computing and Statistics methods.Experienced Business Data Analyst with 3+ years of experience in Data Analyze, Visualization, and Project Management. Excellent communication skills to work well with all levels of management, problem solver, detail-oriented, and a strong team player.

Crystal Geng's Current Company Details
BC Public Service

Bc Public Service

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Senior Data Analyst
Vancouver, BC, CA
Website:
gov.bc.ca
Employees:
9504
Crystal Geng Work Experience Details
  • Bc Public Service
    Senior Data Analyst
    Bc Public Service
    Vancouver, Bc, Ca
  • Gtvac Vacuum Technology Co., Ltd.
    Data Analyst
    Gtvac Vacuum Technology Co., Ltd. Sep 2023 - Present
    - Utilized real-time sensor data to visualize trends in metrics such as temperature and pressure collected from vacuum sinteringfurnace to facilitate efficient troubleshooting and process optimization- Developed an interactive dashboard to visualize key performance indicators (KPI) to show production efficiency, yields andenergy consumption for vacuum sintering and annealing furnaces- Achieved a 53% reduction in energy consumption and cost savings of $120K through improved… Show more - Utilized real-time sensor data to visualize trends in metrics such as temperature and pressure collected from vacuum sinteringfurnace to facilitate efficient troubleshooting and process optimization- Developed an interactive dashboard to visualize key performance indicators (KPI) to show production efficiency, yields andenergy consumption for vacuum sintering and annealing furnaces- Achieved a 53% reduction in energy consumption and cost savings of $120K through improved yield, decreased experimenttrials, and reduced consumption of rare earth metals- Visualized and analyzed trends in instrument performance and presented weekly reports to stakeholders Show less
  • Rusty Lake
    Social Media Analyst & Translator
    Rusty Lake Apr 2016 - Present
    - Promoted the gaming ads and analyzed the user preference and behaviour on three largest Chinese social media platforms: Weibo, Bilibili and RED - Managed and collected data from over 400K followers on three social media platforms and provided reports for user feedback and technical issues to the developer team- Planned, managed and promoted the WePlay Expo Convention Event of 120K attendees in Shanghai, 2018- Translated over 20 games from English to Simplified Chinese
  • Triumf
    Data Scientist (Mds Capstone)
    Triumf May 2023 - Jul 2023
    Vancouver, British Columbia, Canada
    - Conducted comprehensive research and experimentation on five supervised machine learning models (XGBoost, Decision Tree, Random Forest, CatBoost, LightGBM) tailored for classification purposes- Developed and optimized an XGBoost model with 93% R2 for predicting particle acceleration experiment's fitted ring radius- Employed rigorous feature engineering and importance analysis on 16 key features to identify the most effective model- Performed a range of sophisticated… Show more - Conducted comprehensive research and experimentation on five supervised machine learning models (XGBoost, Decision Tree, Random Forest, CatBoost, LightGBM) tailored for classification purposes- Developed and optimized an XGBoost model with 93% R2 for predicting particle acceleration experiment's fitted ring radius- Employed rigorous feature engineering and importance analysis on 16 key features to identify the most effective model- Performed a range of sophisticated analyses including residual analysis and SHAP (SHapley Additive exPlanations) to meticulously evaluate model performance- Enhanced data loading efficiency by 80% (from 5h to 1h) through Polars ETL (extract, transform and load) implementation, processing 43M data entries using Python- Produced visually rich analyses of model performance and presented the finalized model pipeline to stakeholders and clients- Saved over 100 hours with a data pipeline for loading, preprocessing, model training, prediction, and model performance analysis- Generated and delivered comprehensive weekly progress reports to managers, data scientists, and data analysts to ensure transparency and alignment with project objectives Show less
  • Kemetco Research
    Analytical Chemist
    Kemetco Research Oct 2018 - Dec 2019
    Richmond, British Columbia, Canada
    - Conducted sample analyses and various tests including anion detection, cyanide analysis, assays, total phosphorus analysis, nitrite analysis, chemical oxygen demand, etc.- Performed tests on various analytical instruments such as IC, GC, HPLC, TOC and UV-Vis- Developed troubleshooting methods for various analytical instruments.- Using Excel, developed a model that can automatically correct the concentration of anions for calibration offset purpose- Successfully… Show more - Conducted sample analyses and various tests including anion detection, cyanide analysis, assays, total phosphorus analysis, nitrite analysis, chemical oxygen demand, etc.- Performed tests on various analytical instruments such as IC, GC, HPLC, TOC and UV-Vis- Developed troubleshooting methods for various analytical instruments.- Using Excel, developed a model that can automatically correct the concentration of anions for calibration offset purpose- Successfully developed methods and SOPs for analyses such as catechin and theanine contents in tea leaves. Show less
  • The University Of British Columbia
    Research Assistant
    The University Of British Columbia Sep 2015 - Aug 2018
    Vancouver, Canada Area
    Research Project: Exploring the Reactivity of Epoxide-Derived Nickel η2-Carbonyl ComplexesSupervisor: Prof. Jennifer Love- Designed novel routes for catalytic transformations and conducted syntheticmethodology on low-valent nickel catalyzed cross coupling reactions- Explored the reactivity of nickel catalysts with a series of organic substrates using aglove box, and monitored the reaction progress through NMR spectroscopy- Conducted detailed studies on unknown… Show more Research Project: Exploring the Reactivity of Epoxide-Derived Nickel η2-Carbonyl ComplexesSupervisor: Prof. Jennifer Love- Designed novel routes for catalytic transformations and conducted syntheticmethodology on low-valent nickel catalyzed cross coupling reactions- Explored the reactivity of nickel catalysts with a series of organic substrates using aglove box, and monitored the reaction progress through NMR spectroscopy- Conducted detailed studies on unknown intermediates and provided full characterizationsusing 1D,2D, 1H, 31P and 13C NMR spectroscopy, LC-MS and X-ray crystallography Show less
  • The University Of British Columbia
    Teaching Assistant
    The University Of British Columbia Sep 2015 - Dec 2016
    Vancouver, Canada Area
    - Supervised students’ laboratory sessions, gave demonstrations and provided assistance with their experiments- Helped over 150 students to reinforce their knowledge in organic chemistry and develop hands-on skills in organic chemistry laboratories
  • Nexterra Systems  Corp.
    Product Development Intern
    Nexterra Systems Corp. Jan 2017 - May 2017
    Vancouver, Canada Area
    - Detected, examined and analyzed 5 gasification performances based on the real-time data trending- Identified and determined the top risk factors by developing the statistical methods to optimize the gasification process- Performed on-site analysis, diagnosis, and resolution based on the samples and data collected from gasifiers, duct and boiler.- Visualized the data trending and presented analysis results to process engineers in the product development team
  • Queen'S University
    Research Assistant
    Queen'S University May 2013 - May 2015
    Kingston, Ontario
    Research project: switchable hydrophilicity solvent (SHS)Research supervisor: Prof. Philip Jessop- Designed and synthesized diamine adduct that can effectively switch the hydrophilicity ofaqueous solutions acting as a green solvent- Applied analytical techniques such as HPLC, UV-Vis and GC to study the phase behaviour ofdiamine adducts
  • Queen'S University
    Create Summer Research Student
    Queen'S University May 2014 - Aug 2014
    Kingston, Ontario
    Research project: synthesis of triarylmethane catalyzed by Pd-NHC complexesResearch supervisor: Prof. Cathleen Crudden- Synthesized, purified and characterized NHC ligands which were used in both cross-couplingcatalysis and self-assembled monolayers on gold nanoparticles- Conducted methodology research on the catalytical behaviour of Pd-NHC complexes
  • Queen'S University
    Teaching Assistant
    Queen'S University Sep 2013 - May 2014
    Kingston, Ontario

Crystal Geng Education Details

Frequently Asked Questions about Crystal Geng

What company does Crystal Geng work for?

Crystal Geng works for Bc Public Service

What is Crystal Geng's role at the current company?

Crystal Geng's current role is Senior Data Analyst.

What schools did Crystal Geng attend?

Crystal Geng attended The University Of British Columbia, The University Of British Columbia, Queen's University, Peking University.

Who are Crystal Geng's colleagues?

Crystal Geng's colleagues are 赵志杰, Michelle Clough, Kaitlyn Munn, Chelsea Resch, Leith For, David Poon, James Miskulin.

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