about me | Notion

experience

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**data scientist San Francisco, CA **Circle september 2025 — present

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**data scientist, intern San Francisco, CA **Global Key Advisors january 2024 — may 2024

contributed to R&D ml model that evaluated success of 2K+ startups, identifying key success factors that drove firm's expansion into startup investment advisory for existing $30M+ portfolio
reduced analysis time by ~80% and enabled the team to run complex queries and build custom metrics by building a normalized PostgreSQL database from 7 years of csv files using SQLAlchemy </aside>

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**machine learning research assistant Berkeley, CA **Department of Economics, UC Berkeley ****january 2023 — january 2024

reduced manual data collection workload by ~75% by scraping 5,000+ tweets reporting conflict events in India from local news sources using Tweepy to build a structured research dataset
mapped conflict events using spaCy, Google Maps API, and Streamlit to build an interactive heatmap, enabling faculty to visualize clusters across 100+ cities and regions </aside>

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data scientist, intern (remote) Tayyab, Ltd. may 2022 — august 2022

cut ad spend by 20% by analyzing marketing campaign performance across user segments and identifying high-cost audiences with low conversion rates using Seaborn visualizations
increased push notification click-through rate by 7% by contributing to the design and analysis of an A/B test on message personalization for raffle campaigns targeting 30K+ users </aside>

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B.A. in Data Science B.A. in Economics Cumulative GPA: 3.7

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Specialized in advanced physics and math Graduated with honors Cumulative GPA: 4.0

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                                               © *2025 by Umar Boboyev. All rights reserved.*