
Dr Alexandre Loktionov
Founder, CEO & Scientific Director
Alexandre Loktionov, PhD, is a highly experienced biomedical scientist with over 100 scientific and patent publications.
He has held positions at such renowned scientific organisations as the WHO International Agency for Research on Cancer
(IARC, Lyon, France), the German Cancer Research Centre (DKFZ, Heidelberg, Germany) and the UK Medical Research Council
(Cambridge, UK). His main direction of research has been molecular pathology, especially investigation of the
mechanisms of colorectal disease development. Before founding DiagNodus Alexandre was CSO in two biomedical
companies in Cambridge.

Dr Tatiana Bandaletova
Founder, Director & Head of Pathology
Tatiana Bandaletova, PhD, is an internationally renowned pathologist possessing extensive experience in both
clinical and experimental pathology, including immunohistochemistry. Having started her career in the USSR,
Tatiana then worked for IARC (Lyon, France), DKFZ (Heidelberg, Germany), MRC (Cambridge, UK) and two biomedical
companies in Cambridge. Tatiana's unmatched experience in the cytological analysis of exfoliated colonocytes and
free inflammatory cells found in the colorectal mucus makes her a unique expert in this field. She has over
40 scientific and patent publications.

Dr Olga Gandelman
Non-executive Director
Olga Gandelman, PhD, MBA, is an experienced manager, scientist and technologist with a proven track record over 15 years of
successful assay development and global commercialisation of novel IBD products. Olga possesses excellent communication and
interpersonal skills and ability to develop relationships with multiple stakeholders in both academic and commercial environment.

Mark Donaldson
Financial Advisor
Mark Donaldson is a Chartered Certified Accountant (FCCA) who has significant experience in working with SMEs and
early stage businesses. He trained with a local firm of accountants and was a manager at Grant Thornton in East
Anglia before leaving to focus on working in a more hands-on role with a small portfolio of companies.