Edward Chang Email & Phone Number

San Diego, Ca, Us

San Diego Metropolitan Area

o Member of the Data Science and Analytics (DSA) Team, part of the AI Innovation & Development Research department at FICO focused on big data analytics and model development for fraud detection product Falcon, used by leading global bankso Extensive work building out big data data pipelines; helped to migrate old, traditional processes to modern tools like Hive, Spark, SparkSQL, pySpark, with optimizations ranging between 200% to as much as 5000% increase in computational efficiency.o Built deep learning models for fraud detection; enhanced our techniques in the machine learning pipeline such as using permutation importance, random forest feature selection, cluster analysis, intelligent search for hyperparameter tuning - all integrated into our legacy tools resulting in 5-20% model lifto Developed hundreds of scripts, tools, and advanced, complex queries in Python, Perl, Bash, SQL, Hive, Spark SQL, PySpark to help our team better derive new insights and improve workflow efficiency from data preprocessing through to model evaluationo Innovated work around automated analytic evaluation tools, such as automated visualizations, monitoring, and alerting systems into our production lifecycle, leading to a 20-30% reduction in manual effortso Worked on several major research projects around natural language processing (NLP), time series for model monitoring and trend analysis, Kalman filters, ARIMA models, data cleansing, automation, and data quality evaluationo Worked closely with clients and stakeholders as an AI expert to achieve the highest possible data quality and model performance; helped identify a number of critical issues adversely affecting model performanceo Awarded FICO Software Spot Award

San Diego, California, United States

Owner of EGC AV & Photography (DBA), focused on couples, family, engagement, wedding, and event photography. Professionally trained photographer. A/V Technician and concert-level pianist. Licensed drone pilot.

San Diego/Online

o Worked with a mentor from IBM and an adjunct professor at NYU to develop skills in data science, machine learning, and AI

o Member of a program development team for the Southern California Christian Students (SCCS) branch in San Diego, working to pioneer and develop the student outreach program on college campuseso Developed novel techniques for improving mentorship program using natural language processing techniques (NLP) to summarize feedback and reviews and presented potential shortcomings based on analysis to board of directorso Pioneered and developed a productivity dashboard for outreach associates using simple statistical models to improve tracking and accountabilityo Fully paid position (W-2); non-volunteer

Online

Master Of Science - Ms, Data Science, 3.95

Graduation with Honors MS Data Science

Bachelor Of Science - Bs, Mathematical Statistics And Probability

Education record

o Two year post-graduate Christian program with key takeaway developments in character, teamwork, outreach, public speaking, and purpose