Key Management

    ​Giulio Cerroni


    Giulio joined IXICO as Chief Executive Office in February 2017.  He has over 30 years of experience in the life science and diagnostic sectors and has led business operations ranging from £4M to £125M of revenues.

    He was previously  Managing Director of the Genomics division of the LGC group, the private equity owned international life science measurement and testing company. In addition to trebling revenues in under four years and completing three acquisitions in eighteen months, Giulio was a member of the executive leadership team responsible for the successful sale of LGC group to the leading private equity firm, KKR.

    Guilio also held a variety of leadership positions across both the Life Science and Anatomical Pathology Divisions at ThermoFisher Scientific. These included Managing Director, Vice President Commercial Operations EMEA and APAC, with his final post being the Global Vice President and General Manager of the 1,200 employee Anatomical Pathology organisation.

    His first eighteen years were spent in business development and divisional leadership roles with Dupont and Anachem.

    Giulio holds a BSc from Cardiff University and an MBA (distinction) from Warwick University. 

    Derek Hill

    President of Regulatory Science and External Relations

    Derek is a founder and was CEO since IXICO’s incorporation in 2004 to 2017. As such, he has built IXICO into a profitable international business including taking the entrepreneurial leadership role in raising both equity and grant finance as well as in customer-facing activities.

    He has been working on medical imaging science for over twenty-five years and has authored more than eighty journal papers in this field.  He is a member of the MRI Core of the Alzheimer’s Disease Neuroimaging Initiative (ADNI) in the US, has served on the scientific advisory board for several pharmaceutical companies and is involved in the US FDA Critical Path Institute’s Coalition Against Major Diseases (CAMD) biomarker qualification initiatives.

    Derek has a PhD in medical image analysis at the Medical School of Guy's & St Thomas' Hospitals, University of London,  an MSc in Medical Physics at University of Surrey and a BSc degree in Physics from Imperial College. He undertook business training at London Business School as part of the CSEL programme. He holds an academic appointment as full professor at University College London and was formerly a professor at King’s College London.

    Susan Lowther


    Susan joined IXICO as Chief Financial Officer in October 2014. She was previously Group Chief Financial Officer and a director of Novacyt SA, a European diagnostic company listed on the French Alternext exchange. Prior to that she was Chief Financial Officer and a director of Lab21 Group Limited which was acquired by Novacyt in June 2014.

    Susan also held executive positions at BioWisdom Limited where she was Chief Financial Officer until its acquisition by Instem plc and Finance Director at RiboTargets Limited until its acquisition by Vernalis plc.

    She has held senior financial management roles at other life science companies including Lonza Biologics, Celltech Group and Monsanto, gaining significant experience in growing businesses and corporate transactions.

    John Hall

    SVP of Commercial Operations

    John Hall is VP of Business Development and leads the Sales and Marketing Team at IXICO. 

    Since joining IXICO over four years ago John has played a key role in developing the company from a start-up into a major supplier of imaging solutions to the global pharmaceutical industry and academic community, and its expansion into health care.

    Starting his career in Technology Transfer roles at Warwick University and King’s College London, John identified and developed commercial opportunities and spin-out companies such as Warwick Warp Limited – which under John’s leadership won the 2006 Research Councils Business Plan Competition. 

    An alumnus of the University of Manchester (BSc Biochemistry) John holds a PhD in Proteomics and Systems Biology from the University of Durham which was co-funded by Amersham Biosciences and in collaboration with the National Institute for Basic Biology, Japan.

    Sylke Grootoonk

    VP Digital Healthcare

    Sylke Grootoonk joined IXICO in July 2015 as VP Digital Healthcare.

    Sylke’s career spans twenty-five years in academic, industry and healthcare service provision settings. Her expertise covers both commercial and operational domains with a track record of managing rapid growth and market penetration. Before joining IXICO Sylke led the service development for diagnostic solutions in hospital and community settings at InHealth. She also led the improvement programme within a patient referral management centre for NHS England commissioned services. Along with her previous role heading up PETCT diagnostic services for Alliance Medical, this has given her extensive experience of the NHS and private healthcare market in the UK.

    Sylke previously held positions at Siemens Healthcare as product specialist in Europe and marketing manager in the US. Her academic tenure was at the Hammersmith Hospital in London and at the Wellcome Trust Centre for Neuroimaging, where she completed an industry sponsored PhD in Medical Physics. Sylke graduated with distinction from the Imperial College Business School executive MBA programme in 2010.

    Ken Tubman

    VP of  Healthcare Technology

    Ken Tubman joined IXICO as VP of Healthcare Technology in December 2015.

    Ken is a seasoned IT professional with a passion for enhancing the interface between healthcare and technology.  With extensive experience in enterprise-level software development and information architecture, Ken has a strong interest in user experience.  He specializes in developing solutions that address complex business and clinical problems with simplicity and efficiency; focusing on internal and industry standards, automation and reusable technology.  Prior to joining IXICO, Ken served as CTO for Optimal Medicine (acquired by IXICO), a digital health company for mental health disorders.

    Michelle Lax

    VP Clinical Operations

    Michelle Lax is the Vice President of Clinical Operations at IXICO, leading a team of project managers, image analysts, image scientists, and data managers.  She joined IXICO in 2012.

    Michelle studied Physics at the University of Nottingham before completing a Medical Physics and Clinical Engineering MSc at Sheffield University.  On deciding to specialise in medical physics, Michelle completed the IPEM-sponsored 2 year program to obtain state registered clinical scientist status, and continued for 4 years working within the NHS as a nuclear medicine physicist.

    In 2005, Michelle moved into industry to work as a Technology Project Manager at GE Healthcare, Medical Diagnostics, providing scientific strategic guidance on the development of PET, MRI, Optical, CT, and Ultrasound imaging agents, in global multicentre trials. Michelle excelled through the world renowned GE leadership program and adopted greater leadership and Project Director roles within clinical development.

    In 2010, Michelle moved internally to Hammersmith Imanet PET centre to lead the PET operations team, managing out a down-sizing and decommissioning process, before moving back into MDx in a commercial role as New Business Manager EMEA.