Dharmisha Chauhan is the lead clinical pharmacist for the North Thames Genomic Medicines Service Alliance with is hosted by Great Ormond Street Hospital. She has a specialist interest in precision medicine and the role of pharmacogenetics to improve patient outcomes and safety. Dharmisha also has 12 years of oncology experience with expertise in lung, sarcoma, skin and melanoma cancers and works clinically at the Royal Marsden NHS Foundation Trust. Her interests include the role of genomics and immunotherapy biomarkers within clinical pharmacy practice, especially in rare cancers. Dharmisha has collaborated on a range local and national pharmacogenetics and cancer projects, the most recent focusing on the role of pharmacogenetics within mental health care clinical pathways.