Corporate Counsel

Flagship Pioneering, Inc.•Cambridge, MA

About The Position

What if…you could tell the story of an organization that creates, resources, and builds bioplatform companies that invent breakthrough technologies in order to transform human health and sustainability? Flagship Pioneering conceives, creates, resources, and develops first-in-category bioplatform companies to transform human health and sustainability. Since its launch in 2000, the firm has, through its Flagship Labs unit, applied its unique hypothesis-driven innovation process to originate and foster more than 100 scientific ventures, resulting in over $130 billion in aggregate value. To date, Flagship has deployed over $2.5 billion in capital toward the founding and growth of its pioneering companies alongside more than $19 billion of follow-on investments from other institutions. 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.

Requirements

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).

Responsibilities

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.