Marina Wang Email & Phone Number

Cupertino, California, Us

Cupertino, California, Us

• Lead Battery Analytics Data Technology team with diverse background members (data scientist, SWEs).• Design and implement an Anomaly Detection web application that carries binary anomaly detection rules to detect telemetry data integrity issues, firmware/software regression issues as well as battery product performance issues, providing auto-reporting to stakeholders.

Cupertino, California, Us

• Conduct descriptive and predictive modeling of Lithium-ion battery aging behavior as well as battery usage behavior pattern discovery and perform statistical analyses to test hypothesis. • Build and maintain telemetry ETL pipelines with Python and SQL to support the work of the whole Battery Data Science Team.• Build and maintain auto-refreshed Tableau dashboards for key insight and metrics in order to track individual product line battery performance. • Utilize Python to develop custom map reduce functions for extracting customer data insights from use log data.

Cupertino, California, Us

• Perform quality analysis and validation of Apple Maps spatial data proposed for inclusion in production maps for multiple thematic layers, consisting of millions of features across the globe, using various modeling and testing methodologies and tools. • Prototype and create automated tests for spatial data, reducing the number of features to be manually tested.• Engage in risk and mitigation analysis for Apple Maps at early levels by engaging data collectors, pipelines, and consumers to identify risks and find mitigation strategies for future iterations, facilitating model building.• Consult and advise various Apple Maps data teams on procurement, ingestion, transformation, editing, and release of spatial data as a Subject Matter Expert.• Work with Product Definition and Content Specification teams to identify gaps in current production including process engineering, editing tooling, editor training and data assertion check.• Conduct cross-layer and cross-storage data interaction analysis to ensure compatibility and interoperability for downstream service consumption.• Design Fault Injection Testing for assertion coverage of data products through semi-automated data mutation in development systems.

Newark, California, Us

• Lead every stage in modeling cycle from identifying key metrics, building model framework, data collection, data cleaning/encoding, advanced data analysis to model validation/implementation.• Initiate the design, development, execution and implementation of earthquake, hurricane, flood, terrorism or casualty property valuation models for the US and other countries. • Acquire, review, analyze and interpret demographic and socio-economic statistics as well as understand and develop state of the art practices in the field. • Design statistically sound sampling methodologies for validation comparison between modeled values and ground truth values and calculate confidence intervals.• Build statistical forecasting models for predicting construction cost, insurance penetration rate using multivariable linear regression and optimization with actual data.• Use clustering algorithm to identify trends and classify neighborhoods into different socio-economic strata, based on mixed-type (metric-ordinal-nominal) variables such as occupation and household income.• Investigate the feasibility of applying new scientific principles and concepts to models. • Provide model insights both internally to company staff and to customers. • Prepare presentations and reports for internal and external publications.

New York, New York, Us

• Perform structural analysis and design work on basic segments of a project.• Assist in preparation of design and construction documents and solutions to general and engineering problems.• Perform basic drafting work.• Compute and compile structural engineering data from prescribed sources.• Reviews shop drawings, materials and sample submittals for general conformance with the structural engineering design concept.

• Helped inform design requirements for seismically designed post-tensioned shear walls by examining structural behavior through detailed finite element modeling with TNO DIANA

New York, New York, Us

• Performed design and detailing of steel roof trusses, steel gravity columns, concrete beams, concrete slabs and hydrostatic slabs in projects utilizing both American and Chinese standards• Developed workable structural schematic floor-framing designs for high-rise mixed-use buildings while coordinating with architects and compared options based on rough cost estimates• Worked in Revit model to document structural design, spot conflicts, minimize drawing errors and prepare structural drawing set• Performed quality control over a full set of construction drawings of a concrete building• Participated in different project phases from schematic design through construction document

• Prepared field layout and spot elevations for pile caps and grade beams on a residential complex project• Reviewed foundation drawings and proposed necessary revisions during construction phase• Communicated with Project Manager and subdivision foremen to coordinate on tasks and details

• Practiced forensic engineering by performing on-site nondestructive tests, lab sampling tests and structural simulation to determine causes of large cracks on nonbearing masonry walls of a two-story concrete warehouse• Developed a full technical report on the structural reliability

Master, Structural Engineering

B.S., Civil Engineering