Sarah Ellinger Email & Phone Number

Richmond, Ca, Us

Washington, D.C., Us

Launched integrated consumer apps for category-first Bluetooth-connected, closed-system vaporizers in the UK and Canada with 26% DAU/MAU engagement, 67% MAU retention, 4.7/5 Google Play rating, and 42 NPS. - Industry-leading feature set including personalized usage insights, device locator, real-time battery and e-liquid remaining, device status notifications, and support tools. - Increased user base by 31% with follow-up launch of iOS-compatible web app. - Guaranteed user privacy by driving industry-leading data collection policy with stakeholders. Built, validated, and submitted to FDA cutting-edge device security system for age verification and misuse prevention. Product leader for IoT functions and mobile apps. - Own multi-year roadmap of connected features, analytics, SDKs, APIs, growth, and hardware integrations. Define and own all team OKRs, KPIs, and success criteria. - Individually coach a team of high-performing product managers and data scientists. - Establish a culture of collaboration across tech, data, research, marketing, and legal/regulatory functions. Tapped by leadership for incubator projects, from point zero to proof of concept usability test, including: - Alternative hardware approaches for connectivity and access control - Medicinal applications of vaporizer technologyLeverage data stack to deliver internal tools for manufacturing, hardware, & clinical and behavioral research teams.

Washington, D.C., Us

- Promoted to manage a team of Product Managers after leveraging pilot findings to launch fully productionized Android app (JUUL App) in UK and Canada. - Led Android team to achieve 4.6/5 Google Play rating.- Selected to lead a six-month incubator project to advance hardware-enabled approaches for age verification systems. - Directed hardware proof of concept from point zero to usability testing phase.

Washington, D.C., Us

- Supported the launch of a category first Bluetooth-connected, closed-system e-cigarette & app system(C1 Device app) in the UK & Canada. Achieved +65% week-over-week retention with initial feature set. - Continually enhanced product features by defining and implementing user feedback mechanisms and creating Customer Support team report loop. - Led collaboration with Engineering, Device Firmware, and Data teams to define data collection & privacy strategy.

• Expanded scope of responsibilities; selected to support data science team after Klout/Lithium acquisition. Piloted strategies/product roadmaps to expand machine learning models while developing high-value enterprise features. • Delivered machine learning model that recommended optimized posting times based on tailored metrics from individual users’ audiences. • Led development of real-time natural language processing annotation system that brought insights on audience sentiment and interests to B2B analytics offering.

• Defined and published reports to improve performance of machine learning models utilized for B2B and B2C social media tools and analytics. • Analyzed outliers in topic classification algorithm output to identify bugs and optimization opportunities.• Produced topical expertise and interest model that provided social media consumers and influencers with suggestions to enhance engagement and maximize social media usage.

San Francisco, California, Us

• Supervised training and test data creation for event classification models. Oversaw data cleaning, training, and documentation for remote workers.• Analyzed and reported on performance of classification models; utilized data to determine additional training needs.• Improved discovery and feature recommendation process by creating new event classification taxonomy.

• Owned data quality and coverage in SQL data store of +2.5M concerts, artists, and venues. Oversaw automated ingestion queues, resolved conflicts, and cleaned data.

Sunnyvale, Ca, Us

• Led in-house teams of 3-10 labelers to generate test and training data for ML and NLP projects. Diagnosed and resolved data quality issues. Trained domestic and global team members on tools and processes.

Sunnyvale, Ca, Us

• Researched search behaviors and patterns to improve content programming• Annotated and categorized search query and website data• Provided judgments for quality and relevance evaluations

B.A., Literature

Master'S Degree, Information Management And Systems