The Team

 Carolina Arancibia


Dr. Carolina Arancibia is the Translational Medicine Lead at the TGU and a Research Fellow in Wolfson College, Oxford

She trained at Imperial College, Harvard Medical School and University of Oxford, with funds from the Arthritis Foundation of America, the Broad Medical Research Programme and the BBSRC Diet and Health Research Industry Club.

Carolina is an immunologist whose research interests include dissecting the pathways that lead to inflammatory bowel disease, specifically the characterisation of specialized subsets of cells in the gut and how they might change under the disease environment.

As part of the management team she is the point of contact for academic-industry collaborations.

  James Chivenga


James Chivenga is the IBD Cohort and Database Manager

James graduated in Zimbabwe in 1999 with a BSc honours degree in Biology and Biochemistry and obtained a MSc in Biotechnology degree from Oxford Brookes University in 2012.

His role in the unit involves managing the IBD Cohort database as well as consenting and collecting samples from hospital patients and processing these samples in the lab. James is often the first contact point for patients involved in the TGU's IBD and GI research.  He quite enjoys the aspect of his work which allows him to interact with our study participants and this enables him to keep the TGU's ultimate goal foremost in sight: to provide better care for IBD patients.

      Cloe Vassart 

 cloe vassart

Cloe is the TGU's Gastrointestinal Illness Biobanker

Cloe really enjoys the patient contact aspect of her job which is great since she is one of our first patient contact-points. She is involved in collecting samples from patients (Cloe is a trained phelbotomist) as well as assisting James Chivenge with patient recruitement and sample collection for the TGU Biobank.  

"I like that my job is different every day. I find my job very satisfying."   - Cloe 2016

Jennifer Hollis

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Jennifer is the Database Administrator for the IBD database

Jennifer graduated with a BSc Hons in Psychology from Middlesex University.

She joined the TGU in 2015 and finds it very rewarding to work as part of the team and learn about such an interesting area of medicine.

Jennifer is responsible for database design and operational issues and the extraction and manipulation of data for research and clinical purposes.


       Jishi John

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Jishi is an IBD Database and Gastro Intestinal Illness Research Nurse

Before coming to TGU Jishi worked as a staff nurse at the Intestinal Failure Unit at Salford Royal Hospital, Manchester. 

The main responsibilities of her job are recruiting patients and collecting research samples for the Inflammatory Bowel Disease cohort study, other IBD trials, Gastro Intestinal Illness biobank and she is one of the first patient contacts. 

Jishi completed a BSc Nursing Degree in India and has done a PG Cert in Advanced Nursing at the University of Manchester and is currently doing an MSc at Oxford Brookes University. 

Borgel Greenaway

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Borgel is a Lab Technician in the TGU BioBank Team.

Borgel did an MSc in Immunology at Imperial College, London, and completed his PhD at the University of Nottingham with the Helicobacter pylori Group.

He then trained as a Science teacher at the University of Oxford, and taught for two years in a state comprehensive secondary school. 

Borgel joins the TGU group as a lab technician, he works to provide research support, help with the day-to-day running of the laboratory and collaborates with the BioBank team.

He is particularly passionate about how science can be translated to improve patient care.