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Senior Communication Manager

Synthorx

Synthorx

Marketing & Communications
Tokyo, Japan
Posted on Sep 15, 2025

Corporate Communication Sr.Manager/Manager

Responsible for developing, deploying, and executing corporate /CSR communication programs, as well as developing compelling communications platforms that reach engage and motivate target audience; both external and internal. In support of business strategy, will develop and deploy communication plan with county leadership team and GBU team members, collaborating with global corporate/CSR team.

Key Duties/Responsibilities

l This position is dedicated to managing Internal and External Communications to enhance company/visibility and reliability as well as engaging people of the growing sector of Sanofi towards further and sustainable business growth.

l Develop focused plans with key internal stakeholders, keeping in mind their objectives/priorities, key initiatives to raise Sanofi’s corporate awareness as well as increased awareness of corporate brand and activities such as DE&I, ESG, R&D, CSR, social impact and other personnel affairs with best optimized media / SNS approach collaboration for preferred story exposures.

l Develop and lead comprehensive digital communication plan (e.g.corporate website/corporate account in social media) to enhance Sanofi’s reputation among external key stakeholders.

l Plan and execute internal communications in alignment with local senior management team, global team and other business units to take coherent strategic approach to syndicate and penetrate corporate directions.

l Collaborate and manage PR agency and/or other external agencies to deploy communication plans more effectively and efficiently.

l Lead corporate communications considering broader work environment and foster relationships with partners, experts from other functions, collaborating with communication head and team members.

Specific requirements/duties include:

  • At least 5years experience in communications.

  • Experiences using multiple communications challenges beyond traditional PR including digital channels.

  • Experiences managing social media account to enhance corporate reputation

  • Previous experience working with/in media, PR and communications agencies.

  • Experience of dealing with media-led issues and understanding of media coverage to handle risk/crisis management.

  • Good knowledge of local code of practice and regulations in pharmaceutical industries.

  • Coordinates internal stakeholders (regulatory, R&D, marketing, global. etc.) to create outputs under a Sanofi One Voice principles.

  • Joins trade associations if necessary, in concerned areas.

  • Solid writing skills in Japanese. Business level English fluency required to interact with global counterparts and comprehending materials.

  • Drives consistent engagement with Corporate Affairs (global/local Communications and Public Affairs) stakeholders with compliance, transparency, and best practice stakeholder management principles.

  • Performs other duties as required.

  • Language: Japanese and English

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Better is out there. Better medications, better outcomes, better science. But progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. So, let’s be those people.

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