Meet the Team

John Cassidy

Co-Founder & CEO

John has a background in cancer research in both academia (Cancer Research UK, University of Glasgow, and University of Cambridge) and pharma (MedImmune). His PhD at the University of Cambridge focused on understanding how tumors become resistant to therapy. He also has experience with multiple start-ups.

Harry Clifford

Co-Founder & CTO

Harry leads the development of CCG’s AI tech, cloud architecture, and tumor analysis pipelines. He has a background in cancer bioinformatics, completing his PhD at the University of Oxford and first postdoc at the University of Cambridge with Cancer Research UK. He also brings corporate experience in identifying and developing biomarker-based medical diagnostics.

Evaline Tsai


Evaline oversees the design and delivery of services to cancer care providers and biopharmaceutical customers. She holds a BSE in Chemical and Biological Engineering from Princeton University. Evaline has corporate experience in the petrochemical industry as a process engineer at ExxonMobil and consulting experience within the biotech and nonprofit sectors. She has further experience with engineering and biotechnology through her PhD at the University of Cambridge.

Nirmesh Patel

Co-Founder & CSO

Nirmesh spearheads the clinical research and establishes experimental developments at CCG, sitting at the interface between clinical collaborators and the lab. He brings a deep understanding of the clinical applications of cancer biology, with a background in translational cancer medicine and novel therapeutic development through his PhD at King’s College London and the Institute of Cancer Research.

Hannah Thompson

Chief Product & People OfficeR

Hannah is a translational cancer biologist. She has a pharmacology masters degree which included a year of drug discovery with MedImmune and a PhD on the link between type 2 diabetes and colorectal cancer from QMUL. Hannah is passionate about transforming clinical cancer care and will be using her colorectal cancer expertise to help us deliver our product.

Emil Hewage

Founding Advisor

Emil is a serial entrepreneur and co-founder of Alchera Technologies with an academic background as a PhD researcher in computational neuroscience at the University of Cambridge. He has extensive knowledge in developing and marketing medical devices and has held roles in finance and numerous technology startups.

Geoffroy Dubourg-Felonneau

Machine Learning Team Lead

Geoffroy is an ML and AI lover. He is a full-stack engineer with experience in deep neural networks and cloud computing architecture. He has prior experience in the Silicon Valley start-up scene, and is now turning his attention to revolutionising cancer genomics.

Fergal Cotter

Machine Learning Researcher

Fergal is using ML to understand the attributes underlying cancer relapse. Fergal’s ML experience comes through his PhD in the Signal Processing group at the University of Cambridge, where he is looking at improving the understanding and performance of convolutional neural networks by applying signal processing methods. He has prior industry experience in Automation and Control and likes to spend time outside his PhD looking at applying ML in fun, different and/or useful ways.

Joe Sneath Thompson


Joe has a masters in Computational Biology from the University of Cambridge. He also has experience in working with NGS data in the hospital and start-up setting. He uses his skills to maintain our variant calling pipelines.

Harry Dobson

Software Engineer

Harry is passionate about the application of engineering for data science data visualisation in medicine. He has previous experience with start-ups and uses his skills to help CCG develop their software.

Belle Taylor

Strategic Partnerships Manager

Belle is a talented science communicator and loves nothing more than conversing about science and its potential. She has a Masters degree in Chemistry from University College London, where she also carried out her PhD in Physical Chemistry. At CCG she uses her skills to develop partnerships and strategic alliances with interested parties all over the world as well as managing CCG’s public engagement strategy.

Olivia Edwards

Business Development Manager

Olivia has a masters in bioscience enterprise from the University of Cambridge. She is passionate about innovation, start-ups and making an impact in healthcare. Olivia is helping us to develop and maintain partnerships.

Sam Frost

Front End Engineer & Designer

Sam is an experienced front end engineer and user experience designer with professional experience at PricewaterhouseCoopers and a Cambridge web agency. At CCG, Sam is leading the front end development of OncOS.

Dàmi Rebergen


Dàmi has a masters degree in bioinformatics from Wageningen University and Reasearch as well as a degree in biotechnology. At CCG he is combining his knowledge of machine learning and biology to improve our understanding of somatic mutation detection and is highly involved in our research and development.

Chris Parsons

Machine Learning Researcher

Chris has a master's degree in information engineering from Oxford University, where his thesis focused on the intersection of machine learning and optimisation to solve graphical inference problems. At CCG he is working on cutting edge research to advance cancer treatment with machine learning.

Joan Tanous

Administrative Coordinator

Joan is the backbone of our team, she uses her experience in administration to help our multiple projects run smoothly, organises our AI society, assists with our hiring process and anything else she can get her hands on.

Elena Zhel

Business Development

Elena has a Masters in Oncology from the QMUL and Barts Cancer Institute, combined with a medical degree and expertise in pharmaceutical industry. Elena is passionate about the potential of genomic technologies to transform cancer care and improve patient outcomes. She brings her entrepreneurial expertise to help to shape CCG’s business development strategy.

Adnan Akbar

Data Scientist

Adnan integrates machine learning algorithms into bioinformatics pipelines to deliver a range of analyses, and to help CCG answer novel biological questions. He has a PhD in electronics engineering and professional experience as both a development engineer and a data scientist.

Dominic Magirr

Medical Statistician

Dominic carries out data synthesis and statistical analyses in order to best interepret the implications for cancer patients. He has a PhD in Statistics and professional experience at the Medical University of Vienna and at AstroZeneca, where he worked on clinical trial design.

Bobbie Dousa

Patient Experience Researcher

Bobbie investigates the patient’s experience of undergoing cancer treatments and patient reception of AI informed treatment strategies. She situates original ethnographic research against public debates concerning genomic data privacy, precision medicine, and the use of AI within health care. Bobbie holds degrees in anthropology and literary criticism from the University of California, Berkeley and the University of Cambridge.

Jacob Bradley

Computational Biology Intern

Jacob is a PhD student working with CCG, based in Edinburgh's School of Mathematics and Institute for Genetic and Molecular Medicine. He studied maths and systems biology in Cambridge. He uses statistical learning techniques to understand what it means to be a cancer driver mutation

Maya Petek

Bioinformatics Intern

Maya has an MSci in Chemisty/Natural Sciences from the University of Cambridge and is currently working on a PhD in molecular evolution. She joins us to help with processing and visualising sequencing data.

Kris Linton-Reid

Data Science Intern

Kris is a precision medicine-focused Data Science MRes student with a specialisation in pharmacology and disease heterogeneity.

Will Bolton

Business Development Intern

Will is passionate about entrepreneurship and how novel technologies can create solutions to real world problems. He has a degree in Biochemistry from Imperial College London and whilst studying for his masters in bioscience enterprise is helping us evaluate precision oncology opportunities.

Yanin Naiyachit

Business Development Intern

Yanin is a molecular biologist who has background cancer research and has extensive experience in the biotech industry. He is passionate about design thinking, innovation and entrepreneurship. He holds an MRes in cancer biology from University of Edinburgh and PhD and postdoctoral experience in molecular biology from the University of Manchester. Yanin is joining the business development team to help define economic value of CCG’s product as part of his masters' project in Bioscience Enterprise at University of Cambridge.

Aurora Diamante

Business Development Intern

Aurora has a Masters in Molecular Biotechnology and she is currently a PhD student at the University of Cambridge, where she is developing a new biotherapeutic platform. Aurora is passionate about entrepreneurship and she is helping the business development team to manage potential clients.

Want to join our team?

We are always interested in prospective applications from those enthusiastic about transforming cancer care through machine learning.