Director, Medical Affairs

Keros Therapeutics • Lexington, MA

7h • $225,000 - $257,000

About The Position

Keros Therapeutics is seeking a Director, Medical Affairs to lead its medical affairs function. The role will establish near-term stability and create a long-term plan to scale the function as clinical assets advance. The Director will independently execute a multi-asset strategy spanning neuromuscular, neurodegenerative, bone, and fibrotic disorders, while collaborating with internal stakeholders to integrate medical insights into corporate decisions and clinical development.

The role leads patient advocacy engagement, scientific communications, external expert relationships, and medical affairs support for clinical development. It also oversees vendors and medical writing partners and ensures the medical accuracy and compliance of relevant scientific, regulatory, and corporate materials. The position calls for a flexible, resilient leader able to take ownership in a lean environment and build the function as the company grows.

Requirements

• Strong foundational experience or exposure to patient advocacy management, with a genuine passion for supporting rare disease communities.
• Ability to work effectively with minimal structure, map out necessary processes, and independently prioritize deliverables in a lean environment.
• Demonstrated experience with early-stage clinical assets and a strong understanding of the clinical development lifecycle.
• Exceptional communication and interpersonal skills, with a track record of building trusted, strategic relationships with KOLs and external stakeholders.
• Resilient, adaptable, and flexible, with the ability to manage multiple therapeutic areas simultaneously.
• 5–8+ years of relevant medical affairs experience in the biotech or pharmaceutical industry.

Nice To Haves

• Experience in neuromuscular or bone diseases.
• Advanced scientific degree (MD, PhD, PharmD, or equivalent) is preferred.

Responsibilities

• Lead the medical affairs function, establishing short-term stabilization and a long-term roadmap to scale the team as clinical assets progress.
• Serve as the primary liaison and strategic lead for patient advocacy groups across DMD, ALS, and bone disorders, fostering trusted, long-term relationships.
• Drive the scientific communications strategy, including medical publication planning, abstracts, and congress presentations.
• Develop and execute external engagement strategies, identifying and maintaining relationships with key opinion leaders and regional medical experts.
• Partner with Clinical Development, Clinical Operations, and Regulatory Affairs as the medical affairs subject matter expert to support trial execution and insight generation.
• Synthesize and communicate field-based medical insights to cross-functional teams to inform clinical strategy and program prioritization.
• Manage external vendors, medical writing partners, and consultants supporting scientific communications and medical material generation.
• Oversee the review and medical accuracy of scientific, regulatory, and corporate communication materials, ensuring compliance with relevant industry guidelines and SOPs.

What This Job Offers

• Job Type: Full-time
• Career Level: Director
• Education Level: No Education Listed