The team

Consultant colorectal surgeons 

Our consultants are vastly experienced and respected in their fields. 

Key staff: 


Professor Sarah O'Dwyer

Sarah is a co-founder of our Colorectal and Peritoneal Oncology Centre, Lead Clinician for Peritoneal Tumours and Clinical Director of the Christie Clinic

Read more about Professor O'Dwyer


Mr. Malcolm Wilson

Malcolm is Lead Clinician for Colorectal Surgery and joint Lead Clinician for the Colorectal and Peritoneal Oncology Centre.

Read more about Mr. Wilson


Professor Andrew Renehan

Andrew is Professor of Cancer Studies and Surgery at Manchester University. He has a specialist interest in anal cancer and peritoneal tumours.

Read more about Professor Renehan


Mr. Chelliah Selvasekar

Sekar specialises in robotic, laparoscopic (keyhole) and advanced colorectal cancer surgery. He is passionate about patient safety and surgical education.

Read more about Mr. Selvasekar


Mr. Omer Aziz

Omer specialises in advanced laparoscopic (keyhole) surgery for colorectal cancers and peritoneal tumours. He has a strong interest in developing new technologies.

Read more about Mr. Aziz  

Clinical Nurse Specialists (CNS) 

These experienced professionals support you throughout your care. They’ll be there at clinics when you meet us for the first time, as well as during the follow-up periods. They’re also present on our ward rounds and will see you as inpatients. 

Key staff:        

  • Rebecca Halstead 
  • Lisa Wardlow
  • Rachel Connolly
  • Amanda Coop

Consultant colorectal surgeons 

Our consultants are vastly experienced and respected in their fields. 

Liver surgeons

Experienced liver surgeon Mr. Rahul Deshpande attends our inter-disciplinary meetings to discuss and operate with us on relevant cases. Liver surgeon Mr. Nicola de' Liguori Carino also operates with us for selected procedures. 

HIPEC practitioners 

Hyperthermic Intra-Peritoneal Chemotherapy (HIPEC) is a complicated and intricate process that requires meticulous planning, dosing and administration. Rachel Aziz leads our team of four practitioners. 

Oncology team

Oncology is the study of tumours and Dr. Mark Saunders is our lead Consultant Clinical Oncologist. He has a wealth of experience in treating peritoneal tumours (including PMP and colorectal cancer with peritoneal metastases), colorectal cancer and anal cancer. 

Histopathology team 

Histopathologists study tumours by examining tissue with microscopes. Dr. Bipasha Chakarabarti’s leads our experienced team. She offers a second opinion for all of the pathology slides we request, clarifying some of the complex pathology we receive. 

Radiology team 

Our world-leading radiology team led by Rohit Kochar, interpret patients’ scans and are a key part of the multi-disciplinary team that makes recommendations on patient care. If we need help accessing difficult parts of the body through radiology guided biopsies, we also have an excellent interventional radiology team led by Dr. Hans-Ulrich Laasch

Data collection and research team 

To continually improve our performance we constantly monitor our results. We regularly review this data to discuss how we can improve. We also have surgical, oncology-related research project managers who make sure we can continue undertaking outstanding cancer-related research.  

Administrative team 

Our dedicated team collect all the relevant information required for us to give an opinion including scans, operation notes, histology reports and histology slides. They help us communicate effectively with you and your doctors.

Last updated: October 2022