David Samuel Email & Phone Number

San Diego, Ca, Us

San Diego, Ca, Us

Cupertino, California, Us

Managing data product development for Apple TV, Sports, Music, App Store, Fitness+, and Podcasts

Menlo Park, Ca, Us

- Developed over 10 interactive dashboards using Unidash and Daiquery to visualize and analyze quality benchmarking metrics for astate-of-the-art computer graphics pipeline. Link to video: https://youtu.be/MVYrJJNdrEg?si=DcgHqJWJtHu9nyye- Created dozens of data pipelines to ingest, transform, and load intermediate tables with hundreds of millions to several billion rows of datafor dashboard analytics using Python, Jupyter Notebooks, Hive, Presto SQL, and Python dataswarm.- Collaborated with a team of software engineers, AI researchers, and data engineers to architect analytics pipelines and dashboards toinform 50 monthly active users of real-time trends in the codec avatar pipeline.

Lanham, Maryland, Us

- Instructing a class of 17 students on Excel, Python, SQL, Tableau, statistics, and machine learning with a 90% weekly satisfaction rate.- Providing mentorship to four teams on exploratory data analysis reports, guiding both analytical thinking, and technical implementation.- Leading technical maintenance of a 1.5 GB repository on Github.com and Gitlab, saving 5 hours of weekly code maintenance.

Seattle, Wa, Us

- Developed and optimized 5 Tableau dashboards, enabling real-time KPI visualization, and resulting in a 10% increase in data accessibility and decision-making speed across various business teams.- Collaborated with data engineering teams to discover and integrate 10 new data sources, enhancing the breadth and depth of organizational data by 25%, thereby optimizing data-driven insights.- Authored and presented 5 comprehensive data analysis reports to business stakeholders, informing strategic decisions and contributing to a 15% increase in operational efficiency.

Baltimore, Maryland, Us

- Engineered advanced predictive models using Facebook Prophet, enhancing time-series forecasts accuracy for a large-scale contact center with 1,000+ employees and nearly 3 million annual calls. The newly implemented model achieved a significant 50% reduction in the mean absolute percentage error (MAPE) of long-term forecasting, translating to an annual saving of over $1.6M for workforce management.- Led the development of data analysis reports, dynamic Tableau dashboards, and Python notebooks, providing critical analytics insight to an organization comprising over 200 managers and executives. This effort formed the backbone of the organization's data-driven approach, influencing and driving 80% of all analytical insight and strategic decision-making.- Successfully mentored and managed a new data analyst, overseeing their development of 5+ key projects that increased team efficiency by 20%, while fostering their professional growth which led to a 30% improvement in their data analysis proficiency within a six-month period.

New York, Ny, Us

- Directed numerous recruiting workshops, achieving a 33% sign-up rate conversion and conducted over 100 data science code reviews, offering indispensable feedback to students from prominent companies like HBO and Yelp.- Rendered expert mentorship to a student on feature engineering, utilizing real estate data to forecast political preferences based on physical attributes such as building materials, square footage, and garage count.- Assessed Data Science Bootcamp students during mock interviews, probing knowledge in data analysis, experimental design, supervised and unsupervised machine learning, along with behavioral competency.

Mountain View, Ca, Us

- Partnered with an interdisciplinary group of Google Engineers, Managers, and University Professors to develop and deliver rich educational content covering Statistics, Neural Networks, and Computer Vision. This pivotal role included detailed planning and lecture development for Google's 10-week Applied Machine Learning Intensive Summer 2019 cohort, contributing to a 30% increase in student comprehension and hands-on proficiency.- Actively provided mentorship and executed meticulous code reviews for four distinct teams that successfully deployed deep learning applications. One standout project involved the use of PyTorch to train and deploy a robust image classification model, capable of accurately distinguishing between recyclables and non-recyclables, thereby improving model precision by 25%.

San Francisco, San Francisco, Us

- Leverage Fastai library on Google Cloud Platform, developing a SoTA computer vision model for 7-way room type classification, boosting test set accuracy from 91% to a stellar 98%.- Harvested 19,000 of Redfin’s latest public listings, compiling a 50GB dataset with over 350,000 images and annotations, significantly enhancing the validation process for our image classification model.

Los Angeles, Ca, Us

- Collaborated directly with the Vice President of Marketing, effectively identifying critical business objectives and formulating potential metrics for comprehensive model evaluation.- Provided pivotal consulting expertise, facilitating a comprehensive restructuring of the database architecture, which resulted in enhanced data capture, ultimately improving marketing insights.

Salt Lake City, Utah, Us

- Orchestrated comprehensive data collection on user interactions, effectively reporting identified issues to Software Developers and UX/UI Designers, thereby ensuring seamless application performance.- Proficiently managed a multitude of customer service interactions utilizing platforms like Zendesk and an internal DB tool, facilitating efficient product queries, inventory management, and shipping status tracking.- Innovated customer success protocols, strategically redirecting 25% of product returns towards replacements, contributing to enhanced customer satisfaction and retention.

- Reviewed, and reported on over 400 infrastructure projects, using data analysis and engineering tools, and supervised the final construction, verification, and acceptance of contracts.- Researched, and deployed pavement preservation strategies, projected to save an average $2 Million per year over 10 years.- Onboarded interns and new hires, and mobilized a team of five engineers to review hundreds of projects.- Developed civil engineering standards which were published in the FHWA approved highway construction manuals used in statewide public works construction projects.

Natick, Ma, Us

- Executed precision-driven construction layout, as-built, and topographic surveys employing advanced GPS and robotic total station equipment, ensuring utmost accuracy in field data.- Skillfully interpreted bid plan sets utilizing digitizer and manual scaling techniques, thereby assembling material quantity and earthwork estimates essential for multiple schools and athletic facilities projects.- Diligently prepared and submitted a comprehensive set of as-built drawings to the Boston Water and Sewer Commission, accurately representing the newly installed drainage and sewer system in Dorchester, MA.

M.S., Data Science

Bs, Civil And Environmental Engineering