Medical Affairs Manager (Neurovascular)

Location: Chiyoda, Tokyo, Japan

Company

Johnson & Johnson MedTech develops healthcare technologies and solutions across innovative medicine and medical devices.

What you will do

• Provide medical governance for promotional materials, medical claims, healthcare professional qualifications, and compliance with company policies and procedures.
• Serve as Study Responsible Physician, leading safety reviews and making recommendations on the continuation or termination of clinical trials.
• Assess device performance, clinical benefits, safety profiles, and risk-benefit balance throughout the product lifecycle.
• Support clinical and non-clinical evidence generation, including study design, protocol preparation, investigator-initiated studies, contracts, publications, and manuscript reviews.
• Provide medical information to internal stakeholders and healthcare professionals while supporting accurate communication about adverse events and product complaints.
• Build scientific relationships with external experts, investigators, medical science liaisons, and cross-functional partners to support evidence strategies and educational activities.

Requirements

• M.D. or D.D.S. is mandatory; Ph.D. is preferred.
• Proficiency in English and Japanese is required.
• Deep clinical and medical knowledge in relevant disease areas.
• Experience or expertise in scientific, medical, or clinical research and clinical trial operations.
• Neurovascular experience is preferred, particularly as a neurointerventionalist or neurosurgeon.
• Ability to communicate effectively with internal and external stakeholders worldwide using medical and scientific expertise.

Culture & Benefits

• Inclusive work environment focused on respecting individual dignity, diversity, and merit.
• Cross-functional collaboration across medical affairs, clinical affairs, safety, business, and external investigator groups.
• Opportunity to contribute to evidence generation, medical education, clinical safety, and healthcare innovation.