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:
Requirements:
Joining Flagship Pioneering will allow you to:
- Make an impact as part of a Fortune “Change the World” company
- Be energized by an exciting startup culture
- Surround yourself with inspirational colleagues and leaders
- Support innovative breakthroughs in health care and sustainability
- Expand your horizons with opportunities for professional growth
- Enjoy unparalleled employee benefits and rewards programs
Flagship Pioneering and our ecosystem companies are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.
Recruitment & Staffing Agencies: Flagship Pioneering and its affiliated Flagship Lab companies (collectively, “FSP”) do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering’s internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto.
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The salary range for this role is $120,000 - $145,000. Compensation for the role will depend on a number of factors, including a candidate’s qualifications, skills, competencies, and experience. Flagship Pioneering currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Flagship Pioneering's good faith estimate as of the date of publication and may be modified in the future.
Privacy Notice for Applicants: When you apply for a role at Flagship Pioneering or one of its portfolio companies, we collect and use personal information you provide (such as your name, contact details, work history, and application materials) to evaluate your application, communicate with you, and comply with legal obligations. Your application data is processed through Greenhouse, our applicant tracking system, and may also be reviewed using AI-assisted screening tools. We do not sell your personal information. California residents have rights under the CCPA/CPRA including to know, delete, and opt out of the sharing of their personal information. If you are located in the EU or UK, we process your data under GDPR and you have rights to access, rectify, and erase your data. To exercise your rights or for questions, contact [email protected].
Skills Required
- 7-10 years of experience providing administrative support to C-suite executives.
- Experience managing external relations or serving as a liaison between executive leadership and external stakeholders.
- High level of commitment, availability and responsiveness outside core working hours including weekends as needed.
- Comfort and readiness to work in a dynamic, demanding, and fast-paced environment.
- Exceptionally organized with keen attention to detail and ability to shift priorities under pressure.
- Outstanding verbal and written communication skills; strong written engagement abilities.
- Excellent interpersonal and relationship-building skills.
- Experience in a role requiring a high degree of discretion and confidentiality.
- Excellent problem-solving skills and resourcefulness; ability to follow-through and close loops.
- Proficient in MS Word and PowerPoint with advanced Outlook organizational skills.
- Ability to work onsite in Cambridge at least four days per week.
Flagship Pioneering Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Flagship Pioneering and has not been reviewed or approved by Flagship Pioneering.
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Fair & Transparent Compensation — Feedback suggests salary bands are visible for many Boston/Cambridge roles and pay is considered competitive for key scientific and leadership positions. Transparency in postings supports expectations that offers align with local biotech norms.
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Healthcare Strength — Feedback suggests medical, dental, vision, disability, life insurance, HSA options, and mental-health coverage are comprehensive and well-regarded. Multiple items are employer-verified, reinforcing confidence in core health benefits.
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Parental & Family Support — Feedback suggests maternity/paternity leave and family leave are offered at meaningful levels. These programs sit alongside paid holidays, sick days, and PTO to support family needs.
Flagship Pioneering Insights
What We Do
Flagship Pioneering conceives, creates, resources, and develops first-in-category life sciences companies to transform human health and sustainability. Since its launch in 2000, the firm has applied a unique, hypothesis-driven innovation process to originate and foster more than 100 scientific ventures, resulting in over $30 billion in aggregate value. To date, Flagship is backed by >$3 billion of aggregate capital commitments, of which over $1.5 billion has been deployed toward the founding and growth of its pioneering companies alongside >$10 billion of follow-on investments from other institutions. The current Flagship ecosystem includes Denali Therapeutics (NASDAQ: DNLI), Evelo Biosciences (NASDAQ: EVLO), Moderna Therapeutics (NASDAQ: MRNA), Rubius Therapeutics (NASDAQ: RUBY), Seres Therapeutics (NASDAQ: MCRB), and Syros Pharmaceuticals (NASDAQ: SYRS).








