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Chief Legal Officer | Global Growth Strategist | GC with a Public Health Mindset
JoHannah Harrington is a business-minded General Counsel with the heart of a public health strategist. With nearly 20 years of in-house experience and a dual background in law and public health, JoHannah brings a unique lens to legal leadership—one that blends operational excellence with an instinct for ethics, risk, and social impact.
She’s led legal and compliance functions inside scaling startups, tech companies, and mission-driven funds—often building them from the ground up. Whether guiding a company through a $200M Series B, scaling operations across 160+ global entities, or designing a privacy program that aligns with real-world risks, JoHannah grounds her work in systems thinking, governance discipline, and human-centered strategy.
Core Areas of Focus
Fractional In-House Counsel Support
JoHannah serves as a true in-house partner—advising CEOs and Boards, managing legal operations, and building systems that support rapid growth. She embeds with leadership teams to solve real business problems, align legal strategy with company goals, and help teams move quickly without cutting corners.M&A Diligence & Deal Strategy
JoHannah leads cross-border deals with clarity and confidence—managing diligence, structuring, and post-close integration in ways that keep momentum and minimize disruption. She makes sure stakeholders stay aligned, risks stay manageable, and deals actually get done.Capital Raise Readiness
JoHannah helps clients prepare for investment by refining governance, tightening contracts, and building legal infrastructure investors trust. Whether it’s a seed round or a $200M Series B, she ensures companies are ready to raise with speed and clarity.Corporate Transactions & Global Governance
JoHannah supports global operations with practical legal strategy—managing entity compliance, coordinating corporate reorganizations, and simplifying governance across jurisdictions. She’s a steady hand when companies are expanding fast or cleaning up messy structures.Compliance, Privacy & Public Health Risk Strategy
With a Master’s in Public Health and years leading privacy and compliance teams, JoHannah brings a systems-driven, ethics-informed approach to risk. She designs scalable programs rooted in accountability, global standards, and operational efficiency—especially for clients navigating healthcare, data, and cross-border regulations.
Career Highlights
Atlas Technology Solutions – Chief Legal Officer
Led all legal and compliance functions for a PE-backed HRTech company operating in over 160 countries. Built the legal team from scratch, closed a $200M Series B and $20M debt round, accelerated commercial contracting by 60%, and developed privacy and compliance programs from the ground up.Statistical Zero Group – Co-Founder & General Counsel
Co-founded and led legal for a mission-driven investment fund focused on health, housing, and environmental innovation. Managed $250M+ across multiple vehicles, built legal infrastructure, and negotiated major deals and partnerships.Palladium – Corporate Compliance Manager
Served as in-house counsel to a global consulting firm, overseeing governance, cross-border contracting, and employment issues across 40+ countries. Applied her public health background to support development work in health and economic systems across regulated jurisdictions.DLA Piper – Managing Director
Advised multinational companies on international restructurings and complex M&A. Brought in-house pragmatism to large-scale legal transformations—aligning legal strategy with business operations.
Bar Admissions
U.S. Supreme Court (2016)
District of Columbia (2014)
Wisconsin (2008)
Education
J.D., Marquette University Law School (2008)
M.P.H., University of North Carolina at Chapel Hill (2013)
B.A., Political Science, Marquette University (2005)
Beyond the Bar
Climbed Mt. Kilimanjaro and would do it again—just for the grit.
Avid home chef who treats cooking like science and hospitality like joy.
Passionate about aging well and giving back—serves on nonprofit and private equity boards and volunteers with the ABA.
Proud mom, spin class regular, barre3 enthusiast, and dedicated partner to a husband who’s an author, economist, and funeral director (ask her—it’s a good story).
