Our Team

Dr Alistair Robson


Dr Alistair Robson is a qualified general (FRCPath) and specialist dermatopathologist (DipRCPath), & was Consultant Dermatopathologist at St John’s Institute of Dermatology, St Thomas’ Hospital, London, for 14 years following a Clinical Lectureship at the University of Oxford. Dr Robson was the pathology lead for cutaneous lymphoma and continues to be an active member of the EORTC cutaneous lymphoma pathology working group.

He is engaged in clinical research and has published over 100 articles, mostly concerning various forms of skin cancer, in peer-reviewed journals, several book chapters, including for the WHO Classification of Skin Tumours.  He reviews dermatopathology papers for numerous journals and has served on Editorial Committees.

He has over 15 years experience of teaching dermatopathology to both dermatologists and pathologists, including the Kings College MSc course, organises teaching seminars in the UK and abroad, and was Chief Examiner for the dermatopathology section of the Asian Academy of Dermatology, of which he is a Founding Member.

He was a co-founder of the International London Dermatopathology Symposium and a co-founder and for 5 years co-organiser and teacher on the UK ABC Course in Dermatopathology. He has been an invited speaker and presented research in the UK, elsewhere in Europe, the United States, UAE, Oman, Lebanon, Egypt, Kuwait, Australia, India, Malaysia, and Brazil. He is a member of the International Society of Dermatopathology and the British Society of Dermatopathology.

Dr Robson is currently writing the pathology chapter for a textbook on melanoma and writing and editing a textbook of cutaneous lymphoma, whilst working as a Visiting Pathologist at the national referral Lisbon Institute of Oncology, Portugal.

Marc Thomas


Marc is the CEO of LDPath and a Fellow of the Institute of Chartered Accountants of England and Wales. He qualified with Stoy Hayward Chartered Accountants in London in 1991.

Marc subsequently worked at Credit-Suisse for over 25 years in a number of finance related roles including reporting and finance system development.

He is married to a Consultant Dermatologist, has 3 teenage children and lives in Battersea, London.

Sanjit Lallie


Sanj is a Director of LDPath and current Director of Operations.

Sanj joined LDPath soon after graduating from Nottingham Business School with a degree in Business Information Systems, initially to provide technical support; has since established our NHS support service, the digital pathology network, and developed the overseas sister branches LDPath India and LDPath Dubai.

Romualdo Jesus

Finance Manager 

Romualdo has been the accountant for LDPath since 2015.

He qualified as a member of the Association of Accounts Technician in 2016 and is currently working towards becoming Chartered with the Association of Chartered Certified Accountants.

Kristina Kotsergina

Private Practice Operations Manager

Kristina is managing the Private Practice department at LDPath, she has been with the company for over 6 years and dedicated this time to ensuring the company’s services are meeting its clients high standards.

Kristina was born in Tallinn, Estonia, she graduated with a BA in Film from Canterbury Christ Church University in 2011, and has worked in Sports and Healthcare industry before joining LDPath.

Nathan Field

NHS Department Manager

As the lead for the NHS department, Nathan’s goal is to align the NHS to receive the same service level provided to our Private clients. His responsibilities in this role includes and is not limited to training and developing a 1st Class administration team, maintaining agreed service level agreements, Hospital and Pathologist registration, championing Digital reporting system configurations and supporting the growth of LDPath.

Nathan brings to his position a well-established background in Information systems and management operation services. Prior to taking on the promoted role as NHS Department Manger in 2016, he worked at LDPath as the Office Manager for one year.

Tsion Balcha

NHS Administrator

Tsion joined LDPath in 2018 as NHS administrator. She is responsible for optimising the way we work to achieve a high standard of service delivery.

Outside of LDPath, she has  extensive experience in a range of youth work. Tsion has recently been appointed as Centrepoint trustee. The majority of her spare time she spends watching football games.

Martin Schab

Logistics Manager, NHS Administrator

Martin has worked in the logistics industry for over 7 years and spent the first part of his career at London’s leading dispatch companies. Since joining LDPath in 2015 he has played a vital role in our bespoke delivery service.

From 2018 Martin became part of our NHS Administration Team. He aims to provide the highest quality service to customers, as well as assisting our expert pathology diagnostic team.

Kwame Small

NHS Administrator

Kwame joined LD Path in 2016 as an NHS administrator.

His role is to work with the NHS department team to make sure LD Path maintains its service at the highest standard. Kwame’s interests include working for the church and watching football.

Lukas Tatarunas

NHS Administrator

Lukas joined LDPath in 2019 and works part time as an NHS Administrator. Being part of the NHS team, he is involved in processing and managing cases, contributing towards the efficient service we provide to our NHS clients. Currently Lukas is studying Computer Science at the University of Greenwich.

Andreea Ungureanu

NHS Administrator

Andreea has been working part time as NHS Administrator at LDPath since the end of 2019, she is helping the team with cases turnover and data entry. Andreea has recently graduated with honours in Cyber Security and Forensics from the University of Greenwich. She enjoys travelling and is interested in new trends in web security.

Rokas Tatarunas

IT Manager

Rokas started working for LDPath as a part time NHS Administrator in 2019. Since then, he graduated from the University of Greenwich with the degree in Computer Security and Forensics.

In 2020, Rokas became head of IT developments at LDPath on full time basis.