Mark Chang Email and Phone Number
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Mark Chang personal email
Data, Systems Thinking, Optimization.I love Data. More often than not, Data is the difference between a postulate and an answer; a feeling and an insight. It is the information that tells us why something works, and why it doesn't.I live by Systems Thinking. The understanding and appreciation of interconnectedness of various functional crafts are paramount in ensuring that solutions have effective and sustainable impacts on the entire stakeholder chain. Once the "in silos" mentality shifts to a "system"/"big picture" mentality, then the process becomes a well-oiled machine.I strive for Optimization. Taking something existing and improving its efficacy represents the most cost-effective solution. There will always be better ways to do things, and they don't always come with a price tag.I am deeply passionate about the above 3 aspects, and utilize them in my everyday work to provide solutions and strategies that yield effective and sustainable returns.
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Data Scientist (Investments)Cassiopee Jan 2024 - PresentSingaporeApplied Quant-ML Researcher, dealing with Machine Learning modelling, Algorithm Development, Data Mining, and Portfolio Optimization for a Single Family Office.• Researched and developed Deep-Learning sequential/time-series algorithms for short-term trading of equities.• Built autonomous, stock-specific, trading agent using Reinforcement Learning.• Linear Programming modeling of bond market and investment constraints/compliance, achieving mathematically-optimal allocation of bonds within our fixed income portfolio.• Developed fully automated variable association analysis+reporting tool to evaluate Linear, Autoregressive, and Non-Linear correlation between any two market variables at scale.• Developed feature extraction pipeline: decomposing any time-series into 2000+ characteristics and features (e.g. Fast Fourier Transform, Continuous Wavelet Transform, Seasonality, Autocorrelation, etc.).
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Ai/Ml SpecialistTiktok Jan 2022 - Dec 2023SingaporeMachine Learning model training, analysis, and optimization for TikTok/ByteDance's Trust & Safety team.• Trained multiple deep-learning Audio models to detect violative content across multiple sensitive genres such as Terrorism, Sexual Content, Child Safety, Counterfeit Trading, etc.• Developed strategies and algorithms for model application to best suit different business nuances in different regions/markets.• Primary stakeholder in the MLOps lifecycle, continuously leveraging on data analytics to iterate existing models, as well as identifying business cases for the application/development of new ML models as the social media ecosystem constantly evolves. -
Application EngineerExxonmobil Jul 2019 - Dec 2021SingaporeProcess Control, Optimization, and Automation for Fuels Business Team, Singapore's Jurong Refinery.• Economic optimization and custom script coding for automation of process units.• Margin improvement initiatives (process quality control logic and automation) totaling $970k/year during my tenure.• Cost reduction and lost opportunities improvements (process model troubleshooting and optimization) totaling $397k/month during my tenure.• Statistical analyses of process conditions and identification abnormalities using PowerBI/Seeq dashboards and JMP.• Enabler of economic and process modelling software Real-Time Optimization (RTO) for Crude Oil units.• Interpreting RTO’s optimized economic model outputs and cascading its directives to stakeholders in the Business Team. -
Economist And Optimization InternExxonmobil Jul 2018 - Dec 2018SingaporeInternship under Optimization specialist for Singapore, Sriracha, and Altona refineries.• Statistical risk-benefit analyses of optimization directives via data analytics tools such as JMP.• Simulation and troubleshooting of PIMS linear-programming economic model of the aforementioned refineries to generate monthly optimized operating parameters.• Profit analyses of Crude slate and/or process changes using PIMS for aforementioned refineries. • Pioneered the use of statistical software JMP and custom scripts for technical performance studies in Refinery.• Generate Crude Oil qualities for Economists and Optimizers to update feed & product break-even prices.
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Junior ProgrammerM1 Motoring Dec 2012 - Apr 2013SingaporeDigitalization of financial database (Loans) for automobiles.• Migration of physical database of loan documents to digital.• Customized VBA scripts to facilitate ease of retrieval of loan retrieval documents and automated debt tracking.
Mark Chang Education Details
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Business Analytics -
First-Class Honors/Highest Distinction
Frequently Asked Questions about Mark Chang
What company does Mark Chang work for?
Mark Chang works for Cassiopee
What is Mark Chang's role at the current company?
Mark Chang's current role is Data Scientist (Investments) | Algorithms and Statistics | NUS MSc.
What is Mark Chang's email address?
Mark Chang's email address is ma****@****tok.com
What schools did Mark Chang attend?
Mark Chang attended National University Of Singapore, National University Of Singapore.
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Mark Chang
Singapore1jobstreet.com2 6032176XXXX
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