Deontics Senior Management

Dr. Guy Wood-Gush – Chief Executive Officer

Having qualified from St. Thomas’s Hospital at the University of London and worked as a neurosurgeon and ophthalmic surgeon, Guy went to work in drug development with Eli Lilly. Following this he went to INSEAD in France to complete an MBA, and after that spent 11 years in Healthcare investment banking. The first 5 years were as a Healthcare stock analyst at Barclays de Zoete Wedd followed by 6 years as a Healthcare corporate financier with Robert Fleming and then JPMorgan. For the last 8 years he has been working as an entrepreneur bringing new medical innovations to market. This experience has included being CEO of Cancer Research Ventures Ltd. (CRUK) and Executive Chairman of Cambridge Cognition Ltd. He has served as a Member of Council of the Royal Society of Medicine, London.

Ellen Milantoni – Head of Commercial USA

Ellen Milantoni has been involved in the intersection of IT and business for over 30 years. In her career she has worked for large multi-national companies, such as IBM and Microsoft in numerous sales, sales management and consulting positions. She was also VP of Sales for Borland International, managing a sales/system engineering team of over 80 people and a $300M+ annual revenue target. Ellen has also been actively involved in small and start-up companies, including a venture back start up, LogicLibrary, that she founded and was CEO. In her role, she was able to secure over $17M of venture capital, grew her team to over 40 people, generated revenues of over $10M, and set the path for a successful sale of the company in 2008. For the past ten years, Ellen has been involved in ways to transform the healthcare/IT industry driving initiatives around consumer directed health care, health insurance exchanges, and clinical decision support. As SVP Strategy for Ebix Inc., an international supplier of software solution to the insurance industry, Ellen was tasked with building out a new division and software solution to help Ebix participate in both the public and private emerging health insurance marketplace. Most recently she was CEO of a startup company, Fluence Health, an incubated company out of the University of Pittsburgh Medical Center. Fluence , a mobile patient care platform, uses EMR data, to support point of care clinical decision support.
Ellen has been a mentor at the University of Pittsburgh, Katz Business School, Entrepreneurial program and has consulted with the Carnegie Mellon Software Engineering Institute. She also has been on the board of the Product Strategy Network.

Professor John Fox – Chief Scientific Officer

After completing a PhD at Cambridge University John Fox spent a period in the USA, returning to establish a research programme in clinical decision making for the Medical Research Council. In 1981 he joined the Imperial Cancer Research Fund (now CRUK) where he built up a highly innovative team which developed a range of clinical technologies over subsequent years. In 1985 the group developed an “expert system” package which was commercialized as Xiplus by Expertech Ltd ( Xiplus was widely used for business as well as medical applications and for a period was the largest single source of commercial income for ICRF. Expertech was acquired by US based Inference Corporation in 1990. In 1996 the group was awarded the Laureate Medal of the European Federation of Medical Informatics for work on PROforma, the first formal language and practical technology for supporting evidence-based decision-making and workflow management. John also conceived and co-founded InferMed Ltd (, acquired by Elsevier in 2015, which remains a commercial leader in advanced clinical decision support systems based on these developments. Since 2007 John has been Director of the COSSAC collaboration between Oxford and Edinburgh Universities and UCL medical school (Royal Free Hospital) which is developing new generations of decision support technologies and applications. John is a Deontics Founder.

Dr. Ioannis Chronakis – Chief Technology Officer

Ioannis holds an MB:BS (MD) from the Medical School of University of Patras, Greece, where he also completed his internship. Shortly after he switched focus to software engineering.

From 1999 to 2001 he acted as a technical director and software developer in a successful start-up Internet Service Provider (General Satellite Applications for the Internet, Patras).
Between 2001 and 2002 he worked as senior software developer in a photo news agency (Reporter ltd, Athens) where he designed and implemented software and infrastructure for Internet based digital image collection, storage and distribution.
In 2003 he worked as a team leader/software engineer in Hellenic Technology of Robotics (Athens) where he has developed the kernel, collision detection, virtual force field generator and communications modules for the Environment Dynamics Simulator project outsourced by European Space Agency (ESTEC dept) and used for ground testing and programming of two of the robotic arms deployed in the International Space Station. In 2005 he assumed the role of the technical manager in the same company for the commercial exploitation of space telemetry and control technology for ground systems (ANEMO project).
Since 2006 he has been working with Prof John Fox (Advanced Computation Laboratory in Cancer Research UK initially, University of Oxford engineering department subsequently) as a senior medical software developer mainly developing the Tallis/PROforma decision support technology and applications for cardiovascular and oncology diseases. Ioannis is a Deontics Founder.

Mr. Vivek Patkar – Chief Medical Officer

Vivek Patkar is trained and experienced surgical oncologist with specialist interest and skills in breast cancer. He graduated in medicine from the University of Bombay in 1995 and was awarded his masters degree in general surgery (M.S. General Surgery) in 1999. Mr Patkar received training in surgical oncology and breast surgery at the TATA Memorial hospital, the largest tertiary cancer hospital and research centre in India. He practiced at TATA Memorial hospital for five years before coming to the United Kingdom to pursue his clinical and research interests. He has worked as specialist registrar in the breast unit at Guy’s hospital and at the Royal Free hospital in London and currently has clinical duties at the Whittington Hospital in London.

Mr. Patkar has a longstanding research interest in cancer informatics and he is clinical lead on the Deontics CREDO project. He is the designer and implementer of the Deontics breast cancer knowledge base at the Royal Free Hospital. He has also developed a number of other cancer decision support applications. Mr Patkar is one of the founder members of the COSSAC collaboration between Oxford and Edinburgh Universities and UCL medical school (Royal Free Hospital) which is developing new generations of decision support technologies and applications. He is a Deontics Founder.

Dr. David Glasspool – Senior Software and Logic Engineer

David has a PhD in Computational Neuroscience and Psychology from University College, London (UCL), an MSc in Cognitive Science from Manchester University and a BSc in Computing and Electronics from Durham. David worked as a programmer on safety-critical embedded systems for Logica PLC before moving into academia.  His work as a cognitive scientist and computer scientist at UCL and Cancer Research UK covered neural networks, decision-making, artificial intelligence and automated reasoning. As a Senior Research Fellow at Edinburgh University School of Informatics his group worked on formal foundations for intelligent systems in healthcare delivery, with particular interests in process modelling, reasoning about consequences of planned actions and visualisation of plans and their possible consequences. He has extensive experience of applying theoretical work in computer science and artificial intelligence to practical clinical computing systems.

David has worked with Professor Fox for 15 years and is a Deontics Founder.