Sophie K.

About Sophie K.

I’m a motivated Data Science professional currently working within Citibank’s Fraud Analytics team. I spend my days wrangling large data sets, exploring different machine learning methods to improve predictions and creating easy to understand presentations to explain the results.

Experience

1. VP - Senior Data Scientist

   Citi

   Feb 2021 — Present · US

   Specialized Analytics Lead Analyst within Citibank’s Retail Bank leading a team of 5 Data Scientists-Responsible for modeling and strategic analytics for money mule fraud-Collaborated with a variety of stakeholders across different countries to tackle fraud attacks -Guided and coached junior analysts in coding and fraud analytics subject matter expertise -Created fraud rules using NICE ACTIMIZE-Developed a variety of machine learning models for fraud detection and trend analysis using models such as Logistic Regression, XGBoost and Random Forest-Implemented a Tableau dashboard to track fraud rule performance and transaction trends

Education

• University of Florida - Warrington College of Business

  Bachelor of Science in Business Administration, Major: Finance, Minor: Japanese

  2008 — 2012

• Princeton University

  Study abroad, Japanese

• University of Amsterdam

  Msc in Information Studies, Data Science Track

  2017 — 2018

• HKUST Business School

  Study abroad, Finance

• Rotterdam School of Management, Erasmus University

  Msc in Strategic Entrepreneurship

  2016 — 2017

Skills

• Economics
• Html5
• Microsoft Excel
• Microsoft Office
• Research
• Fixed Income
• Derivatives
• Business Development
• German
• Css
• Investments
• Corporate Finance
• Equities
• French
• Financial Modeling
• Project Management
• Data Analysis
• Javascript
• Japanese
• Entrepreneurship