Corporate Counsel

Flagship Pioneering is a scientific innovation engine that invents and builds 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 in human health, sustainability, and beyond. 

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 team of scientists, entrepreneurial leaders, and professional capital managers are each aligned around an institutionalized process that enables us to innovate and create breakthroughs 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 named four times to Fast Company’s annual list of the World’s Most Innovative Companies.

Position Overview

Flagship Pioneering has a new and exciting opportunity for a high-energy, self-motivated Corporate Counsel to join its fast-paced, dynamic legal team. The Corporate Counsel will report directly to and collaborate closely with senior corporate attorneys who oversee Flagship’s corporate legal function and advise on legal and operational matters for Flagship and across its portfolio. The Corporate Counsel will concentrate on financings, corporate governance, equity compensation, and general corporate matters for Flagship and its cutting-edge high growth companies. This includes working with Flagship’s private and public companies on a variety of transactions and corporate matters that will range from financings, capital markets transactions and M&A, equity compensation, to general corporate governance.

The successful candidate will have the requisite experience in corporate transactional matters and corporate governance, which must include venture capital and emerging companies. This individual will join a dedicated team with industry and subject matter expertise. In this role, the Corporate Counsel may interact with members of Flagship’s finance and origination teams and senior members of the legal team.

Key Responsibilities

The Corporate Counsel will have the following responsibilities and opportunities:

• Partner with internal stakeholders and external counsel on a wide range of transactions and corporate matters, including venture financings, capital markets, M&A transactions, corporate governance, and equity issuances.
• Assist with the review, preparation, and negotiation of a range of financing and governance documents, including term sheets, financing documents, and board and stockholder consents, resolutions and minutes.
• Support financing and corporate governance matters across increasingly complex, multi-entity structures, including exposure to LLC governance.
• Work and coordinate with external counsel on transactions, including supporting deal execution, timelines, and deliverables.
• Provide support to Finance, HR, Compensation, and portfolio company teams on corporate governance, equity matters (including option grants, restricted stock, profits interests, and equity plan administration), and related policies and best practices.
• Partner with cross-functional teams to support board composition changes across the Flagship ecosystem, including assisting with documentation for director appointments and resignations, maintaining accurate board records, and facilitating related equity approvals.
• Provide legal counsel for cutting-edge high growth companies in the Flagship ecosystem.
• Support compliance initiatives, process standardization, and form development for the legal group, including designing AI-enabled tools and agentic solutions to improve efficiency in corporate legal workflows.
• Build strong working relationships across Flagship and with external partners.

Key Qualifications and Skills

• JD degree required and admission to practice law in Massachusetts or another U.S. state bar; outstanding academic credentials.
• 2-4 years of relevant experience, preferably in the corporate department of a nationally recognized law firm.
• Foundational understanding of equity financing, equity awards, stock incentive plans, and corporate governance.
• Experience working both collaboratively and independently on components of transactions, with a willingness to take on increasing responsibility over time.
• Ability to prioritize and manage multiple deadlines in a fast-paced environment.
• Comfortable working in an entrepreneurial environment with evolving timelines and priorities.
• Experience supporting transactions and working with internal and external stakeholders to meet deadlines.
• Strong interpersonal and client service skills, attention to detail, and ability to work collaboratively as part of a team. 
• Sound judgment and ability to understand strategic objectives and deliver practical solutions.
• Excellent written and verbal communication skills.
• Willingness to use and adopt AI tools (ChatGPT, Claude, GC AI) to enhance legal workflows, as well as core legal and business platforms (iManage, SharePoint, Carta, Microsoft Office). 

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 $148,000 - $235,000. 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.