Jobs and Careers

Executive Assistant

United Statesfull_timeVerifiedPosted 15 Jul 2026

💰 $145,000/yr($120,000/yr – $145,000/yr)

About the role

Flagship Pioneering is a bioplatform innovation company that invents and builds platform companies that change the world. We bring together the greatest scientific minds with entrepreneurial company builders and assemble the capital to allow them to take courageous leaps. Those big leaps in human health and sustainability exponentially accelerate scientific progress in areas ranging from cancer detection and treatment to nature-positive agriculture.  

 What sets Flagship apart is our ability to advance biotechnology by uniting life science innovation, company creation, and capital investment under one roof in a way that is largely without precedent. Our scientific founders, entrepreneurial leaders, and professional capital managers are each aligned around an institutionalized process that enables us to innovate and transform for the benefit of people and planet.  

Many of the companies Flagship has founded have addressed humanity’s most urgent challenges: vaccinating billions of people against COVID-19, curing intractable diseases, improving human health, preempting illness, and feeding the world by improving the resiliency and sustainability of agriculture. 

Flagship has been recognized twice on FORTUNE’s “Change the World” list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies, and has been twice named to Fast Company’s annual list of the World’s Most Innovative Companies.

Position Summary:

This is an exciting opportunity for an Executive Assistant supporting the Chief Business Development Officer and the Business Development Leadership Team.

This role is ideal for an experienced Executive Assistant who can operate with a high degree of professionalism, discretion, and independence while managing a broad range of administrative responsibilities. The position engages primarily with external Flagship stakeholders and plays a key role in supporting Flagship’s partnering efforts across the pharmaceutical ecosystem.

The successful candidate will be highly detail-oriented, possess exceptional organizational skills, and be able to proactively build strong relationships across the organization. Critical thinking, creative problem-solving, and the ability to ensure effective communication and follow-through are essential. The role requires someone who can quickly develop organizational knowledge, anticipate needs, and support complex business priorities.

This position is based in our Cambridge office and requires onsite presence at least 4 days per week.

Responsibilities:

Reporting to the Senior Manager, Executive and Admin Services, the Executive Assistant’s responsibilities include, but are not limited to:

• Coordination of calendars to enable the operational day-to-day activities of our ever-changing venture creation company.

• Coordinate domestic and international travel plans including managing expense reporting and reimbursements.

• Responsible for proactively coordinating meetings, creating agendas, and managing internal and external communications on behalf of the department.

• Act as primary point of contact for potential external partners ensuring a professional and welcoming representation of the organization

• Collaborate with other Executive Assistants and administrative staff members to coordinate calendars, manage requests, and facilitate events. Provide back-up coverage to other Executive Assistants as necessary.

• Manage projects for a variety of initiatives that foster intradepartmental collaboration and advancing the priorities of the department.

• Complete