Client Partner – Reddit Ads

About Aleph

Aleph is a global leader accelerating digital advertising, and fintech solutions across more than 130 high-growth markets. With more than 20 years of experience and strategic partnerships with over 50 of the world's leading digital platforms, Aleph connects media, payments, and local market expertise to enable platforms and businesses to grow and operate globally with speed and compliance.

With teams in more than 90 offices worldwide, Aleph combines global scale with deep local execution. Beyond business impact, Aleph drives digital inclusion through its education initiative, Digital Ad Expert, member of UNESCO’s Global Skills Academy.

Aleph is looking for a

Client Partner / Sales Manager

to join our Reddit Ads team in Seoul, South Korea. You are a driven, commercially sharp sales professional with a hunter mindset who enjoys building new business from the ground up. If you have a background in media sales, digital advertising sales, or business development and want to grow your career in South Korea’s fast-expanding digital advertising and agency ecosystem, this role is for you.

What You Will Do

Drive new business acquisition in Korea with a strong focus on hunting and prospecting (신규 광고주 영업).

Identify, pitch, and close opportunities with brands, advertisers, and agencies.

Build and grow a strong pipeline of advertisers for Reddit Ads.

Develop and maintain relationships with key clients and media agencies.

Collaborate with internal teams to deliver impactful advertising solutions.

Consistently meet and exceed revenue targets in a competitive market

What We Are Looking For

2–4 years of experience in media sales, digital advertising, ad sales, or related fields

A strong hunter mindset with a proven ability to unlock new business

Experience in media sales or digital ad sales is highly preferred

Strong understanding of digital advertising ecosystems and the programmatic and social media landscape

Agency relations experience (media agency or advertising agency background) is an added advantage

Excellent communication, negotiation, and relationship-building skills

Self-driven and proactive, and comfortable working in a target-oriented, KPI-driven environment

Why Join Aleph

Impact: Build Reddit’s advertiser base in Korea from the ground up and shape how brands and agencies in Seoul use Reddit Ads.

Growth: Develop your career in a fast-expanding digital advertising and agency ecosystem, alongside international teams and a global partner network.

Team culture: Work in a collaborative, target-driven team that partners closely with internal teams, with a hybrid model that gives you three days together in the Seoul office.

Market context: Korea’s digital advertising market is large and growing, and local platforms such as Naver dominate search, so bringing a community-driven platform to advertisers is a distinctive opportunity.

Inclusion: We welcome applicants of all backgrounds and are committed to an inclusive hiring process.

“Share our similarities, celebrate our differences.” – M. Scott Peck

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