The Team


Lorin Gresser

Chief Executive Officer
Lorin founded Dem Dx in 2015 after graduating from medical school and has been the CEO of Dem Dx ever since. As well as her medical degree from King's College London she has a MA in Natural Sciences from Cambridge University and an MBA from Harvard University.

Steve Varley

Chief Technical Officer
Steve has over 30 years experience in open systems software design, including 10+ years in mobile app development. Steve holds a BA in Computing Science from Teesside University.

Mariane Melo

Medical Director
Mariane founded the first spin-off of her university and several awards including competitions in Finland and MIT. She holds an MBBS, Federal University of Minas Gerais Brazil and King's College London, UK.

James McAllister

Lead Developer
James has over 20 years experience as a web developer across multiple industries. Until recently, he shared this experience as a teacher at Constructor Labs on their JavaScript Coding Bootcamps.

Chris Phillips

Full-stack developer
Chris is a full-stack programmer at Dem Dx. He holds a BSc in Business and in a former career was a producer with 10+ year career in the media industry.

Jovin D'Costa

Project Manager
Jovin has 10+ years of experience with over 4 years of project and application delivery prior to joining Dem Dx. Jovin also has a BSc in Computer Systems and a PGDiploma in Network Systems Engineering from the University of Plymouth.

Esther Jo

UX / UI Designer
Esther is a UX / UI designer at Dem Dx. Working as a freelance designer 5+ years in the digital industry. She is now studying Masters in Service Design at Royal College of Art, London, and holds a BFA in Visual Communication Design from Hongik University, Seoul.

Kamakshi Bensal

AI Specialist
Kamakshi completed MSc Data Science & Machine Learning from University College London securing a distinction. Currently she is working as a Data Scientist at Moorfields Eye Hospital, London. She has six years of experience working with digital technologies, mathematics, and programming - garnered in India and in the UK.

Cian Murphy

Chief Scientific Officer
Cian works as a junior doctor in the NHS and is interested in a career in oncology. Cian also has a PhD in statistical genetics from University College London which focussed on rare human diseases.

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