US Legal Counsel

A fantastic opportunity has become available for a commercially minded US attorney to join Caristo Diagnostics’ rapidly growing team as our first legal hire in the U.S. Based in the U.S., you will work in our global team with colleagues in both U.S. and U.K.
About Caristo Diagnostics
With the first and only FDA approved (July 2026) coronary artery inflammation diagnostic medical device, CaRi-Heart®, Caristo Diagnostics is a global leader in AI technologies for cardiovascular disease, founded as a spin-out from the University of Oxford in 2018. Caristo also has an FDA approved (2025) coronary artery plaque diagnostic medical device. Its award-winning inflammation technology helps detect hidden heart disease and identify people at risk of a heart attack before symptoms appear allowing for proactive disease management. Working with leading hospitals, research institutions, and pharmaceutical partners, Caristo aims to save lives through early detection and personalized prevention. The company was named a 2026 Technology Pioneer by the World Economic Forum in June 2026. Learn more at www.caristo.com or follow Caristo on LinkedIn, YouTube, and X.
About the CaRi-Heart® Technology
Named first of “7 Technologies That Could Change Heart Healthcare Forevermore” by the Robb Report, the CaRi-Heart® technology is Caristo’s flagship offering which uncovers hidden coronary inflammation, a key driver of cardiovascular disease, on routine Coronary Computed Tomography Angiography (CCTA). The technology is regulatory approved for commercial use in US, Europe, and Australia, and is currently being piloted in several NHS sites. The CaRi-Heart Technology is also a receipt of the NHS AI award and has been recognized by the British Heart Foundation as a game-changing innovation for preventing cardiovascular disease. Multiple patents underpinning CaRi-Heart technologies have been granted in major jurisdictions around the world. In addition, exceptional validation results showing CaRi-Heart’s ability to aid the prediction of heart attacks have been published in leading medical journals including the Lancet, JACC, European Heart Journal, and Cardiovascular Research.
ABOUT THE ROLE
We are seeking a commercially minded US attorney to join our team as our first legal hire in the US, support expansion of our US operations and build out our US legal function. This is a broad role for an attorney with at least six years of relevant experience gained at a law firm, in-house legal team or a combination of both. The successful candidate will work closely alongside our leadership team, including our UK legal team, and will collaborate across company functions, providing practical advice, negotiating commercial agreements and helping Caristo manage legal and regulatory risk. The role requires excellent legal knowledge, sound judgment, strong communication skills and the ability to balance risk with commercial objectives.
The ideal candidate will:
be motivated at the thought of working in an innovative medtech start-up with a strong collaborative commercial and science-based culture, helping to build a global business that will have material impact on the health and wellbeing of potentially millions of people;
be a self-starter with desire to help build our US legal function from the ground up; and
share the company values of pushing the boundaries, taking ownership, caring for each other and acting with candor and professionalism.
REPORTING TO
CEO
LOCATION
Remote with regular in-person meetings
RESPONSIBILITIES
Commercial Contracts
Lead drafting, review and negotiation of US commercial agreements, including:
- customer contracts with hospitals, diagnostic imaging centres, cardiology practices and longevity clinics;
- agreements with pharmaceutical companies;
- master services agreements and supplier licence agreements;
- honorarium and consultancy agreements with key opinion leaders;
- agreements for prospective clinical studies and research collaborations; and
- confidentiality agreements.
Develop and maintain contract templates, playbooks, policies and approval processes in close partnership with Sales Operations.
Build a scalable contracting process that accelerates customer onboarding, removes bottlenecks and maintains proportionate risk controls.
US Compliance & Risk
Lead US legal and regulatory compliance in partnership with Regulatory, HR and Quality functions, including the following:
monitoring developments in US law and regulation, particularly those affecting software, AI and medical devices, and translating them into practical business guidance;
ensuring significant legal and regulatory changes are reflected in strategic plans;
drafting and maintaining governance and compliance policies, including those addressing Sunshine Act and HIPAA; and delivering practical legal training and promoting awareness of company policies and compliance obligations
Partner with UK Legal to develop and implement a Code of Conduct covering anti-kickback, bribery and corruption, sanctions, competition law, fraud, whistleblowing, conflicts of interest and modern slavery.
US Employment Support
Advise HR on US employment matters and disputes as they arise.
Support compliance with employment laws and regulatory requirements.
Help foster a collaborative, positive and fair culture across UK and US locations.
Disputes
Advise on disputes, investigations and pre-litigation matters, coordinating external counsel where appropriate.
SKILLS & EXPERIENCE REQUIRED
Essential Experience
Juris Doctor (JD) from an accredited US law school.
Active membership in good standing with at least one US state bar.
At least six years’ post-qualification legal experience gained in a reputable law firm, an in-house legal team or a combination of both.
Strong expertise in commercial contracting, US privacy law and data-security requirements.
Desirable Experience
Experience in medical devices, healthcare technology and/or software.
Experience supporting a high-growth or scaling business.
Experience working across multiple US states or with international teams.
Familiarity with contract lifecycle management systems and legal-operations tools.
Experience selecting and managing external legal and professional advisers, including agreeing scope, fees and timelines.
Personal Attributes
Collaborative: builds trusted relationships across legal and non-legal teams and exercises sound judgement and diplomacy.
Commercial: understands business objectives and brings excellent drafting, communication and negot

Employment type
Full-Time

Work arrangement
Yes