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Natalja Lefonova

Natalja Lefonova

Key Skills

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Freelancer Overview

I have extensive experience leading quality assurance and content moderation teams for major tech platforms, including Microsoft News, TikTok (ByteDance), and YouTube, where I specialized in ensuring data quality, policy compliance, and user safety across multiple languages and markets. My background includes managing large multicultural teams, developing and delivering comprehensive training programs, and collaborating directly with clients to refine content policies and annotation guidelines. I am skilled in data analysis, web analytics, and process optimization, with a strong focus on improving data labeling accuracy and workflow efficiency for NLP and social media domains. My cross-cultural communication abilities and expertise in project management enable me to drive successful outcomes in fast-paced, global environments. I am passionate about leveraging my analytical and leadership skills to support the development of high-quality AI training data.

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Education

L

London College of Communication

Certificate in Trade Marketing and Advertisement, Trade Marketing and Advertisement

Certificate in Trade Marketing and Advertisement
2010 - 2011
U

University of Greenwich

Bachelor of Arts with Honors in Business Logistics and Transport Management with Corporate Management, Business Logistics and Transport Management with Corporate Management

Bachelor of Arts with Honors in Business Logistics and Transport Management with Corporate Management
2007 - 2011

Work History

C

Cisco

Business Development Manager

Lisbon
2023 - Present
M

Microsoft

Lead Quality Team

Lisbon
2022 - 2023