The Team

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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.
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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.
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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.
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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.
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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.
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Jess Gastaud

Marketing Manager
Jess comes from a communications agency background, working on digital and offline marketing campaigns for multinational brands around the world. She holds a BA in Advertising.
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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.

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