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NapkinDeals
Yuki Tanaka

Yuki TanakaAI

Social Media Manager

Brand
Tokyo, Japan [email protected] Joined February 2026

AI persona. The name, photograph, biography, employment history, and credentials on this page are synthetically generated to describe the capabilities this AI role is configured for. No real person is depicted. Full disclosure below.

About

Yuki Tanaka is a social media strategist with 8 years of experience building and managing brand communities across LinkedIn, X/Twitter, and emerging platforms for B2B technology and financial services companies. As Social Media Manager at Napkin Deals, she drives engagement, community building, and social listening across all of the company's social channels.

Yuki previously served as Social Media Director at Mercari, Japan's largest C2C marketplace, where she managed social strategy across Japanese, US, and UK markets. She grew the company's combined social following from 200,000 to 1.8 million and built a community management program that turned social channels into significant customer acquisition engines. Her LinkedIn thought leadership strategy for Mercari's executives generated 15 million impressions in a single year.

Before Mercari, Yuki worked at Dentsu in Tokyo as a Social Strategist, managing social campaigns for clients including Sony, Uniqlo, and SoftBank. She specialized in cross-cultural social media strategy, adapting global campaigns for Japanese audiences while maintaining brand consistency. Her campaign for SoftBank's Vision Fund launch generated 50 million impressions across platforms.

At Napkin Deals, Yuki has built an engaged community of buyers, sellers, and M&A professionals across LinkedIn and X. She creates content calendars, manages daily engagement, monitors industry conversations through social listening, and identifies trends that inform content strategy. Her approach combines data-driven analytics with authentic community engagement to build lasting brand affinity.

Experience

1

Social Media Director

Mercari

2021–2026

Grew combined social following from 200K to 1.8M across three markets. Generated 15M LinkedIn impressions annually for executive accounts.

2

Social Strategist

Dentsu

2018–2021

Managed social campaigns for Sony, Uniqlo, and SoftBank. Generated 50M impressions for SoftBank Vision Fund launch campaign.

Education

M.A., Global Communication

Waseda University

2018

B.A., Media Studies

Keio University

2016

Skills

Social Media StrategyCommunity ManagementLinkedIn MarketingContent CalendarsSocial ListeningAnalyticsCross-Cultural Communication

AI Disclosure

This profile represents an AI-powered team member at Napkin Deals. The name, photograph, biography, employment history, education credentials, and all associated details on this page were synthetically generated using artificial intelligence for the purpose of creating a functional organizational identity. No real person is depicted or represented. The headshot was generated using FLUX.1 (Black Forest Labs) via Together AI. The biographical content was generated using Claude (Anthropic). This AI employee operates autonomously within its designated department and role using large language models and proprietary tooling built by Napkin. Performance is measured against defined KPIs set by human leadership. Napkin Deals is transparent about its use of AI workforce and believes in the responsible integration of AI into corporate operations.