Who we are

Our aim is for every patient and every practitioner to use CAREFUL,
 in order to improve radically how care is delivered.

We value accessibility, compassion, trust and evidence. 

Both as a company and as individuals, we aspire to be CAREFUL:
Committed, Active, Responsive, Energetic, Focused, Uniform and Leading.

Our team

Our advisors

Our investors

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Dr DJ Hamblin-Brown

Founder, CEO & Clinical Safety Officer

DJ qualified as a doctor in the UK in 1996 and is a Fellow of the Royal College of Emergency Medicine in London (FRCEM). Having practised as an emergency physician in the NHS, he has also worked in a leadership development and advisory capacity with healthcare organisations, promoting a balance of compassion and rigour to healthcare leadership.

DJ spent three years as the Vice-president of Medical Affairs at United Family Healthcare in Beijing. As the senior medical officer, he was accountable for the safety and quality of clinical activity within the network’s seven general hospitals and fourteen primary-care clinics. Before this, he was the Group Medical Director for Aspen Healthcare, which operated nine hospitals and clinics across the UK.

He has dedicated most of his working life to the challenges of improving healthcare.

Roohi Hamlani

Co-founder & Head of Patient Participation

Roohi is a Biochemist, Nutritionist, Wellness entrepreneur and Vet tech graduate with over twenty years of consumer marketing experience at J&J, Hershey and LG.

She is proudest of creating a continuity of care model for chronic disease management at United Family Healthcare in China, improving the health and wellness knowledge, behaviour and outcomes in communities and amongst employees and keeping the consumer/patient at the centre of her why.

She firmly believes that it takes many active participants, working together, with accountability, over time, to get better health and care.

Sumit Puri

Chief Technology Officer

Sumit is an experienced IT leader with over 28 years’ experience in conceptualising digital enterprise strategy, enabling governance and operational process transformation, primarily in the insurance and healthcare sectors. He co-founded Synergy Digital Solutions after playing diverse senior global and regional roles at Evercare Group, Max Healthcare, Prudential Life Assurance, ICICI Prudential Insurance, GECIS and PricewaterhouseCoopers. He has strong leadership and governance skills in addition to a huge passion for innovation.

Sumit is a mechanical engineer with an MBA. He is an advisory board member of several startups, regular speaker and panellist at conferences on enterprise digital strategy and governance and has won several international awards.

David Wright Alpha Background Tiny

David Wright

Co-Investor & Director APAC

After starting his career in teaching, David’s passion for quality improvement in health and social welfare passion led to an MBA specialising in healthcare delivery systems.

Since then, he has held senior executive positions, including CEO of AGPAL, a national accreditation system for general practice in Australia and CEO of the Royal Australian College of General Practitioners. He has consulted in the UAE and Bahrain on major projects and as an advisor to the Royal Medical Services.

David has consulted to the WHO, European Commission and major healthcare organisations on strategic planning, organisational reviews and business development. More recently his focus has been on supporting/advising start-ups with innovative and creative solutions in the medical sector to ensure traction and sustainability.

Sarah-Jane Coetzee

Head of Marketing & Communication

Proficient in all aspects of marketing and communication, Sarah has spent the past 20 years providing creative and effective solutions mainly in the financial services industry. She is practised in strategy and tactics and specialises in corporate communication. Energetic and meticulous, Sarah has managed change projects for some large organisations and led marketing teams with a dedicated focus on delivery and results.

With a master’s degree in intercultural communication, Sarah brings a depth of knowledge and skill that address CAREFUL’s marketing and communication needs. Sarah is also a professional editor and is a full member of the Professional Editors’ Guild.

Dr Shane McKeown

Medical Director UK & Data Protection Officer

Shane is a London based doctor and entrepreneur, founder of Harley Street Digital, the Medical MBA and Medical Director at Careful Systems.

Shane’s business background centres on education, having developed curricula and delivered teaching for the NHS Foundation programme, international CME (Continuing Medical Education) services, the PLAB examination and consulting services within Harley Street Digital.

Across his work in clinical medicine and business, Shane’s interest and expertise lies in leveraging emerging and frontline technologies to modernise health and social care.

Jason Sprague

Director of Transformation

Jason is an innovator and transformation leader specialising in patient-centric change. His digital transformation leadership spans numerous sectors but he has a passion for healthcare as it impacts everyone’s life.

As change is multidimensional, Jason brings together knowledge of integrating people, technology and process being steadfast on addressing the full challenge.

He is a Fellow of the Chartered Management Institute and the Royal Society of Arts as well as a speaker and lecturer on agile transformation. Mental health, in particular, is a focus where Jason has developed significant projects and raised funding to create digital solutions especially for trauma and violence survivors.

Tom Kobialka

Lead Developer

Tom completed a BSc Eng with Honours at the Australian National University in Canberra before embarking on a career as a software engineer.

Working for academia and businesses of various scales in Australia, Europe and the UK, Tom has spent more than 18 years in the technology sector. Broadly experienced, he applies his varied skills using a vast range of languages.

Fluent in Polish, German as well as English, Tom has contributed academic research in the field of computer science. His work has been published in a number of journals and includes a book chapter.

Gina Shearston

Head of User Engagement

Gina is from Mexico City, where she studied graphic design and worked in large format advertising. She also taught English. Upon moving to the UK she moved up the ranks of retail management and visual merchandising.

Now based in Italy, she provides CAREFUL’s online presence on major social media platforms and the website, as well as translation services. She speaks several languages and provides translations and localisation support.

Dr David Brown

Advisor

Dr Brown has 40 years experience in the pharmaceutical / biotechnology industry both in research and in senior executive roles. Named as co-inventor on the patent for Viagra and later as Global Head of Drug Discovery for Roche.

Dr Brown has a strong interest in entrepreneurialism. He coaches CEOs and entrepreneurs at Centre for Entrepreneurial Learning at Cambridge University Business School and he is an Angel Investor in high-technology start-up companies. He co-founded and is chair of Healx a drug discovery company focused on rare diseases.

He is a Trustee of two charities, AntibioticResearch UK, dedicated to solving the looming problem of antibiotic resistance; and Friends of Manjushree Vidyapith School and Orphanage, a charity he co-founded in 2005 to help destitute orphans in South Tibet 

Iain MacKenzie

Dr MacKenzie is a physician and healthcare technology leader with twenty-six years of clinical experience in the UK with consultant posts in two university-affiliated Foundation Trusts together with significant academic output, He is now focused on systems that help healthcare providers deliver quality and safety to their patients.

Craig McLaren

Craig combines nearly twenty years as a Corporate Managing Director and Vice President including 11 years with Johnson & Johnson with seven years of leadership consultancy and executive coaching experiences to bring both challenge and support  to small businesses.

Vaishali Mokashi

Vaishali is a senior media and communications leader with vast expertise in healthcare and pharma from her time as a senior leader at DDB, Y&R and Publicis Health. She is currently Managing Director at Burns Group a strategic consultancy and advertising agency where she leads on health and wellness.

Vaishali is based in New York and has worked across MENA, Canada and the US. 

She brings consumer and research-focused leadership, strategy and planning to global companies in healthcare and wellness.

Vaisalhi brings a wealth of healthcare experience both in the US and globally to bear on the problems of communication and marketing.

Tom Cassidy

Business Development Director, Ireland

Tom recently joined CAREFUL as the business development director in Ireland. He was born in and grew up in Cork.

Tom has been a senior transformation consultant for over 20 years in a variety of sectors. He also has had several years’ experience as both COO and CEO of a high growth Irish technology start-up, developing knowledge management software for the pharmaceutical, biotechnology, and government sectors.

Roi Shternin

A real-life medical mystery, Roi diagnosed himself with a not so rare condition (POTS Syndrome), teaching himself to walk and talk again at 27.


He started a medical revolution, saving lives, and promoting health on his way to saving his own life. Roi Is the founder of the patient-led Israeli society for Dysautonomia and has founded several health startups and NGOs, including Help+, Valero Clinical, Project hearts, Labriut!, and more.


Roi served as the first-ever Patient in Residence & Head of Patient Innovation for the Ludwig Boltzmann Institute in Austria and is acting as a board member for several health organizations. He is the founder of the groundbreaking, first-ever Patient School globally. This digital school teaches patients what he has learned from a decade of unimaginable struggle.

Roi is an international keynote speaker, media personality, and author. His New book: “Revolution from the Patient bed” is avalable now.

Dr Jeff Staples

Strategic Advisor & Regional Director, APAC

Dr. Staples is an accomplished results-focused health system executive with nearly 20 years of turn-around management and organizational leadership in Southeast Asia, the Middle East, and China, including acute care hospitals, academic medical centers, and ambulatory care centers. A champion for excellence, with a passion for innovation-driven high performance, Dr. Staples excels in strategic planning and execution in large-scale, complex, multi-site health systems and integrating diverse hospitals into a cohesive system. Dr. Staples has been instrumental in two $1B+ IPOs, on the LSE and NYSE.

Prof. Angus Wallace

Angus Wallace developed an interest in informatics while carrying out his
shoulder research in 1984. He created the Faculty of Clinical Informatics at the Royal College of Surgeons of Edinburgh in 2000 and was appointed Dean of Clinical Informatics from 2000 to 2005.

He has subsequently become a Founding Fellow of the UK Faculty of Clinical Informatics (2017) and is Chair of the FCI UK Events Organising Committee (2019-23), running their 3 Annual Scientific Conferences to date.

He continues reviewing papers for his main clinical interest – shoulder surgery having been a past President of the British Elbow and Shoulder Society (2001-3) and President of the International Conference of Shoulder and Elbow Surgery (Edinburgh 2010)