Rohit Das Email & Phone Number

Cupertino, California, Us

Menlo Park, Ca, Us

* Led measurement strategy and execution for multiple complex campaigns, both on and off platform, driving cross-functional alignment on goals and learning agenda, formulating the optimal test plan and target audience, working closely with product, engineering, creative, research, media and marketing teams, to deliver what is best for our users and the organization.* Championed innovative approaches like lookalike models, connected audience, lifecycle segments, Network partition, Design of Experiments, Synthetic Control by building processes, testing, documenting and guiding others. * Set vision for the team and established processes that improve efficiency and measure long term impact.2017-2018 - Decision Science lead for Social Good2019 - Decision Science lead for Global optimization2020-current - Decision Science lead for Community pillarSocial Good products - Birthday fundraisers, Personal fundraisers, Blood Donations, Women Safety, Mental health, Content Moderation, Cyber security, Crisis response, Civic EngagementCommunity Products - Groups, Events, Audio rooms, News tab, Dating, Search, Campus, Classes, Neighborhood

Bentonville, Arkansas, Us

• Lead the data science division by developing the roadmap, training and grooming of team members.• Supervise end to end testing including test hypothesis, structure, metrics, monitoring and recommendation on multiple high impact projects such as Mobile App Testing, Platform Migration, Loyalty drivers and Behavioral testing• Brains behind development of internal testing platform for Walmart.com which included designing traffic assignment engine to meet complex testing requirements and establishing technical & UX specifications for the engineering team• Developed Multivariate analysis framework using step wise regression in R• NPS Analysis, Topic Modeling & text analytics • Built predictive models for repeat purchase drivers using Lasso regression & Decision trees

Bentonville, Arkansas, Us

• Developed automated hourly monitoring system to quickly catch significant issues across all tests thereby mitigating risk and reduce response time from days to minutes• Designed and implemented automated daily test dashboard with improved UI & data accuracy, customized to different business and technical teams• Created user segments based on their browsing behavior to identify shopping intent using unsupervised clustering models• Yield Maximization: Optimized ad placement to maximize screen real estate• Established an end to end process to access, analyze and display page load time metrics and made it accessible first time to the business users

• Conceptualized a custom bidding system, built and demonstrated successfully to users o Built an automated system in Java and R, that gets data from multiple sources (publisher API, MySQL and PostgreSQL database), generate bids using predictive modeling, apply heuristics and publish bids on a daily basis. o Worked collaboratively across research, engineering, BI and SEM teams.• Used R and Tomcat to create a smart reporting tool with URL parameters for business users • Used Java, MySQL and R to build a monitoring system using ARIMA modeling and control charts to detect abnormalities in data and send alerts• Designed and built a framework in R to assemble data from multiple sources and quickly produce valuable reports for web search data.• Identified and automated processes in reporting and analysis leading to better efficiency• Analyzed mixed multilevel full factorial design data to identify significant factors in R• Working with cross-functional teams to identify and implement solutions to business needs

Tempe, Az, Us

Exploring Data Mining methods and develop applications to analyze massive and complex datasets that match industry needs.

Seattle, Wa, Us

As part of the Process, Improvement, Diagnostics and Control group I worked on several exciting projects both with the R&D team at Federal Way and at paper mill at NORPAC:1. Springfield Freeness Data 2. Norpac Transportation Weights3. Norpac Fiber Length4. Norpac SQL OLAP Cubes and Reports5. Hudson Bay OSB6. Norpac PM3 and PM2 Breaks and Defects

Designed various vessels - Passengers ships, tugs, Floating docks, pilot vessels.Strength and capacity calculationHydrodynamics, hull and propeller designPrice estimationDesign and develop Architectural layout conforming to maritime laws

Hull design in Tribon, power calculation, Cost estimation, Safety regulations, Technical specs for Floating dry dock, 250 passenger vessel, Navy pilot boatImproved design parameters of passenger vessel resulting in savings of over $ 10 million to the client

Ms, Industrial Engineering

B.Tech, Naval Architecture, Ocean Engineering

Higher Secondary, Science