Who we are

Since 2016, Thriva has helped more than two million people learn about their health. Now, we can support your customers through diagnostic services.

More than 20% of people live in poor health — preventable diseases are the main cause of this. We help you manage your customers' health with our blood testing services and simple API tool.

Health isn’t just being well or sick - it's a spectrum. We provide you with the right tools to support your customers on their journey, no matter where they're starting from.


Meet our team

Chris Molloy 



Professor Chris Molloy has a 30 year international board and executive career across a unique range of life sciences R&D disciplines.


His career began in preclinical research at Glaxo, where he was closely involved with the industrialisation of high throughput discovery.


Chris is the non-executive chairman of Thriva – a pioneer in at-home diagnostics; Exploristics and NorthWest EHealth: two UK tech companies using Real World healthcare data to improve clinical development.


Hamish Grierson

CEO & Co-Founder 


Hamish is the co-founder of the UK's fastest growing digital health company Thriva.


Since 2016 Hamish has established Thriva as the UK market leader in remote testing, helping over 2 million people across the country manage their health through not only its direct-to-consumer service but partnerships with Government, NHS Hospitals, Insurers, GPs, private doctors and nutritionists.

In 2022 Hamish made the shortlist for the Scale-Up Entrepreneur of the Year at the 2022 Great British Entrepreneur Awards and Thriva ranked third in the Sunday Times 100 of London's fastest growing private companies. 

Tom Livesey

CTO & Co-Founder


Tom is responsible for product, technology, and data at Thriva.


Having worked on Thriva from the ground up for nearly 10 years, he enjoys working with the team to solve complex problems with robust and innovative technology solutions, all whilst creating great product experiences.


Prior to starting Thriva, Tom was CTO of a regulated financial technology platform powering mobile payments, as well as working with various companies, supporting on product and technology strategy.

Rachael Carolan

Chief Legal Officer


Rachael is our Chief Legal Officer. She is primarily responsible for legal, regulatory & compliance and leads on a variety of commercial & operational projects at an executive level.


Rachael has worked with some of the fastest growing b2b & b2c technology businesses in Europe for over a decade & also corporations including Herbert Smith Freehills, Bank of America Merrill Lynch and Accenture. 

Vishal Shah

Medical Director


Vishal is Medical Director at Thriva, and a practicing GP with 10 years experience working in the NHS. He has led the clinical development of Thriva's digital health platform and remote testing technologies, which have been used by the DHSC, and several NHS trusts. 


Prior to joining Thriva, he was Head of Medical Innovation at Healthily, where he led the development of their Artificially Intelligent symptom checker, designed to democratise accessibility to trusted health information in a safe and effective manner. 

Jack Tabner

VP, Strategy

Jack is responsible for driving Thriva Solutions' business and product strategy, supporting fundraising and international expansion. Jack's current focus is implementing the Pharma & Life Sciences strategy and identifying new business opportunities.


Jack previously worked as an Executive Director of Transformation and IT in and NHS Trust, and in strategy consultancy (CF, Strategy& and PWC). 

Yemi Awoyemi

Director of Engineering


Yemi is the Director of Engineering at Thriva, responsible for engineering execution for our platform, B2B and B2C products. He has over ten years experience as an engineering leader from consultancy to travel.


He is passionate about leveraging people and technology to solve the problems to make an impact in the lives of the wider community.


Prior to joining Thriva, Yemi worked as a Senior Engineering Manager at Hotels.com part of the Expedia Group scaling a team of twenty to ninety across Budapest, Rome and London and was Head of Engineering at Palatinate Group. 


Caroline Clark

Group Product Manager


Caroline is Group Product Manager for our diagnostics platform. She has more than ten years' experience in product management roles across travel, international development and healthcare. She is passionate about leveraging technology to address health inequalities and empower users. 


Prior to joining Thriva, she was Product Director at Ieso, where she led the development of their digital therapy and patient management platform, designed to provide online cognitive behavioural therapy to NHS and private patients.

Alexis Besson

Head of Strategic Partnerships - Consumer Health & Wellness and NHS


Alexis is part of our partnerships team and comes from a 15 year background in pharmaceutical and medical technology business development with a track record of bringing health innovations to market.


Following an 8 year sting with Roche Diabetes Care, Alexis joined the Thriva family in 2021 to create healthcare partners and develop creative solutions for new models of care.

Georgia Bailey

Head of Strategic Partnerships - Private Health, Corporate and Insurance


Georgia is responsible for managing Thriva's B2B partnerships within Private Health, Corporate Wellness & Performance. 


Prior to joining Thriva, Georgia spent nearly 10 years working in the Independent Healthcare sector, with a strong track record of developing new business and leading high impact programmes in both business development and contract mobilisation roles.

Kathryn Granleese

Head of Strategic Partnerships- Pharma and Retail 


Kathryn is a highly accomplished Pharmacist and Healthcare Services leader with over 16 years' experience across the retail, pharmacy and healthcare sectors.


Prior to joining Thriva, Kathryn was in a strategic role at Superdrug, having progressed through patient-facing roles. Her expertise is in designing and delivering retail strategies, conceiving new healthcare services and developing client relationships to enable new commercial initiatives. 

Rishi Patel

Head of Strategic Partnerships - Consumer Health & Wellness, Health Tech and NHS


Rishi joined Thriva in December 2021. His extensive 15 year background in NHS and health technology companies led him to Thriva where he leads our propositions for B2B partners in health and wellness technology, as well as managing our NHS strategy.


Prior to joining Thriva, Rishi worked at an executive level in an outsourced NHS Service Provider business as well as implementing growth strategies at other health technology companies.  

Lynsey Love

Senior Brand & Communications Manager 


Lynsey leads our Brand Strategy at Thriva.  She is responsible for scaling and evolving both  the Thriva and Thriva Solutions brands and is passionate about understanding customer motivations and intentions. 


Prior to joining Thriva, Lynsey has over 15 years experience working across the UK and APAC markets for both DC2 and B2B digital businesses. 


She has extensive experience growing online subscription businesses, ecommerce brands and most recently working to drive growth, awareness and expand the advertising and key account offering for Gumtree.

Lissie Kallaway

Customer Success Manager 


Lissie is an experienced Customer Success Manager for Thriva’s B2B partnerships.


Before joining Thriva, Lissie worked in healthcare in both the clinical and procurement setting. Lissie has experience managing large healthcare accounts within the medical devices industry and implementing new technology into the healthcare space. 

Amy Mills

Customer Success Associate


Amy is a Customer Success Associate at Thriva with 2 years experience managing partner accounts. She is a dedicated trusted advisor from onboarding through to renewal and always on hand to support our partners along the way. 

Tamar Loach

Head of Data


Tamar is Head of Data at Thriva. She leads on maximising the health data insights and value we give back to customers through analytics, data science and machine learning.


She has experience in scaling tech companies from 10-person-strong startups to simulation Unicorn Improbable as a data scientist.


Tamar has also worked extensively across the science and innovation landscape at the science journal Nature and most recently as technology director in the UK-government backed Catapult Network.

Surbhi Gupta

Head of Regulatory Affairs


Surbhi heads up the Regulatory department at Thriva, ensuring that all our products and services comply with relevant regulatory requirements.


Prior to joining Thriva, she led the Regulatory and Quality team of a surgical robotics spin-out from Imperial College London. She has served as non-executive board director for spinouts, providing strategic direction and regulatory/Quality expertise.


She has a PhD in Biophysics and is currently pursuing an executive MBA from Warwick Business School.

A leading healthcare company powered by diagnostics 

Over 2m tests processed

Measuring over 200 biomarkers and an expansive range of sample collection modalities.

£170m in revenue generated

Headquartered in London with over 130 employees and growing

700+ partners since 2017

Powering 700 partners including NHS, Specialist Clinics, CRO, Pharmacy, Retail & HealthTechs.

Delivering tailored at-home and in-person healthcare solutions to 700+ organisations 

Get in touch today.