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Lumirithmic Ltd
63 St Mary Axe, London, EC3A 8AA, UK

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Meet the team behind Lumirithmic’s revolutionary appearance capture technologies.

Our Founders

  • Dr Abhijeet Ghosh

    Co-Founder and CTO/Chief Scientist

    Abhijeet Ghosh is Lumirthimic’s Co-Founder and CTO/Chief Scientist, and is currently on sabbatical from Imperial College London, where he is a professor in the Department of Computing and leads the Realistic Graphics & Imaging Group. His expertise includes realistic computer graphics, appearance modeling, computational imaging, and AI for graphics and vision.

    Abhijeet’s world-leading expertise in appearance capture and modeling has resulted in a variety of technical and consulting roles across multiple verticals for companies like Weta Digital, Disney, Avon, and L’Oréal. He also worked as a Research Assistant Professor at the USC Institute for Creative Technologies, where he made significant contributions to the development of LightStage technology- the industry standard for scanning technology within the entertainment industry. Abhijeet has a film-credit in the movie AVATAR for his work on Lightstage-based facial capture .

    Abhijeet holds a PhD in Computer Science from The University of British Columbia. He was a recipient of Alain Fournier Doctoral Dissertation Award, and his research has been recognized with a prestigious Royal Society Wolfson Research Merit Award and an EPSRC Early Career Fellowship.

  • Gaurav Chawla

    Co-Founder and Chief Executive Officer

    Gaurav Chawla is Lumirithmic’s Co-Founder and Chief Executive Officer. He has 20 years experience as a tech/product specialist and deep tech entrepreneur. His expertise lies in product build and commercialization of B2B Enterprise and deep tech solutions. He is also serving as Entrepreneur in Residence (EIR) at Imperial College London, where he advises the college on their deep tech endeavors.

    Gaurav has a deep technical background in engineering, fintech, data science, and computer science, and has held leading technical/product roles at GE Capital, RBS, Morgan Stanley, and IHS Markit (now S&P). He is also a sought after speaker, having appeared at multiple conferences to provide expert training sessions for hundreds of attendees. He has co-authored several publications and is also co-inventor of multiple patents.

    Gaurav is a graduate of the Indian Institute of Technology (IIT, Delhi), and also holds an MS (Engineering), MS (Mathematical Finance) and MBA (Finance, Accounting) from Georgia Tech, as well as an LLB (equivalent of Juris Doctor) in Intellectual Property Law from the University of London. He is also a CFA and FRM charter holder.

Senior Team

  • Dr Yiming Lin

    VP of Research Engineering

    Yiming Lin is VP of Research Engineering and leads Lumirithmic’s research engineering team. Yiming’s expertise is in computer graphics, computer vision, machine learning, and in applying deep learning to image-based material modeling and 3D shape estimation. His research has been published in leading Computer Graphics and Vision journals and conferences. Prior to joining Lumirithmic, Yiming was an entrepreneur in the machine vision industry and had various experiences in fintech. He brings extensive cross-industry knowledge coupled with software/research expertise to his role at Lumirithmic. 


    Yiming holds both a PhD in Computer Graphics and a MEng (BSc + MSc equivalent) in Computing (Artificial Intelligence) from Imperial College London, where he also did a computer vision project in the Imperial Dyson Robotics Lab.

  • Jayanth Kannan

    VP of Software Engineering

    Jayanth (Jay) Kannan is VP of Software Engineering and leads Lumirthmic’s software engineering team. Jayanth’s expertise is in building market solutions for computer graphics, AR, VR, machine learning, and AI. Prior to joining Lumirithmic, Jayanth founded his own game development company before moving on to work in the software industry – most notably working on several popular games ranging from first person shooters to vehicle simulations using their own proprietary game engine.

    After his stint with game development, he went on to work in the software industry by getting involved in the rapidly growing mobile applications space. He has worked with various companies to build apps for verticals ranging from banking, travel, government, line of business to mental health. Together, Jayanth has more than 16 years of experience bringing software and bespoke applications to market, as well as providing mentorship to many startups.

    Jayanth holds an MSc in AI (Knowledge Systems) from the University of Sussex.

  • Luca Filipi

    Senior Software Architect

    Luca Filipi is a Senior Software Architect at Lumirithmic. His expertise is in computer graphics, with a particular focus on real-time graphics and virtual production. He is experienced in the use of game engines and other adjacent technologies, such as VR and AR, particularly in the context of developing real-time tools and workflows for film production.

    Prior to joining Lumirithmic, Luca worked in the visual effects industry, as he held roles on the virtual production R&D teams at MPC and Foundry, where he contributed to the development of software solutions that were used on the sets of several major motion pictures. His film credits include titles such as The Lion King (2019) and The One and Only Ivan (2020).

    Luca holds master’s degrees in Physics and Computer Science from Imperial College London. He also has previous research experience in material acquisition and appearance modeling, having published a paper as a co-author on polarization-based reflectometry.

  • Dr Gilles Rainer

    Senior Research Scientist

    Gilles Rainer is a Senior Research Scientist at Lumirithmic. His expertise is in material scanning, appearance modeling, and neural rendering. Throughout his research, his focus has been on photo-realistic digitization of real-world assets in combination with modern machine learning/deep learning techniques.

    During his PhD, Gilles worked on scanning and rendering textiles with complex appearance, in collaboration with Change of Paradigm Ltd., a designer fashion startup. Gilles also worked on efficient neural rendering algorithms for real-time rendering, both during a Post-Doc at INRIA Sophia Antipolis and during an internship at the Global R&D Lab of Playstation/SIE London, which resulted in several patents.

    Gilles holds a PhD and an MSc from University College London, as well as an Engineering Diploma from Telecom ParisTech, one of France’s top engineering schools. His research has been published in leading Computer Graphics journals and conferences.

  • Dr Lewis Bridgeman

    Research Engineer

    Lewis Bridgeman is Research Engineer at Lumirithmic. His expertise is in computer vision and graphics, with a specialization in parametric modeling of human shape and appearance from video for VR, 3D human pose estimation and tracking, and the application of computer vision to sports.

    Prior to joining Lumirithmic, Lewis worked on the research and development of groundbreaking new virtual reality projects including Derren Brown’s Ghost Train at Thorpe Park and Galactica at Alton Towers.

    Lewis holds an MEng degree from the University of Surrey in Electronic Engineering with audio-visual systems.

  • Dr Claudio Guarnera

    Senior Consultant

    Claudio Guarnera is Senior Consultant at Lumirithmic. His expertise is in computer graphics, computer vision, color appearance, and applied perception, with experience both in academia and industry.

    Claudio is also a Lecturer at the University of York, a Senior Researcher at NTNU in Norway and a Guest Researcher at Justus-Liebig-Universität Gießen in Germany. Prior to joining Lumirithmic, Claudio was a Senior Research Consultant, working on fabric appearance acquisition in collaboration with KiSP Inc, a Toronto-based software and design services company.

    Claudio Guarnera began his research career in computer graphics as a visiting researcher in the Graphics Lab of the USC Institute for Creative Technologies, followed by postdoctoral research experience at the University of Milan-Bicocca in Italy and at Loughborough University in UK, working on color and material appearance.

  • Ekin Ozturk

    Research Engineer

    Ekin is a research engineer at Lumirithmic and is also pursuing a PhD at Imperial College London. They have a BSc in Physics and Astrophysics from University of Toronto and a MSc in Physics from Imperial College. They have also completed a prestigious Young Graduate Traineeship at the European Space Agency at ESTEC in the Netherlands, where they developed AI/ML approaches for state-based optimal control feedback of dynamical systems.

    Currently, under the supervision of Dr. Abhijeet Ghosh, their research projects are at the intersection of differentiable realistic rendering, machine learning and physics. At Lumirithmic, they are working on implementing the algorithms and captures systems in conjunction with the software and research engineering teams.


  • Professor Michael Bronstein

    Scientific Advisor

    Michael Bronstein is DeepMind Professor of AI at the University of Oxford and Head of Graph Learning Research at Twitter. He was previously a professor at Imperial College London and held visiting appointments at Stanford, MIT, and Harvard, and has also been affiliated with three Institutes for Advanced Study (at TUM as a Rudolf Diesel Fellow (2017-2019), at Harvard as a Radcliffe fellow (2017-2018), and at Princeton as a short-time scholar (2020)). Michael received his PhD from the Technion in 2007.

    He is a serial entrepreneur and founder of multiple startup companies, including Novafora, Invision (acquired by Intel in 2012), Videocites, and Fabula AI (acquired by Twitter in 2019). Michael advises Lumirithmic on product strategy.

  • Steven Mail

    Strategic Advisor

    Born in Scotland, Steven enjoyed a 20-year career as a bond trader and hedge fund manager in London and Paris. After 16 years with Société Generale and BNP Paribas, Steven co-founded a $225 million global macro hedge fund.

    Steven then founded and managed his own global macro hedge fund, which raised $500 million and became one of Europe’s largest global macro hedge funds. Both funds were listed on the Irish Stock Exchange.

    Now based in Florida, Steven manages Mail Venture Partners which advises and invests in start-ups. Steven holds various board positions in global companies covering diverse areas: digital media, cyber security, sports, satellites, blockchain, advertising, healthcare and social media. Steven maintains a broad network of contacts globally.
    Steven advises Lumirithmic on commercial strategy.

Extended Team

  • Chongrui Fan

    Research Engineer

  • Emilie Nogué

    Research Engineer

  • Xiaohui Li

    Research Engineer

  • Arvin Lin

    Research Engineer