The COVID-19 pandemic has disrupted the delivery of mental healthcare, while at the same time increasing the global burden of disease. However, the advent of remote technologies to support clinical care and the availability of real-world datasets have enabled a rapid response to improve mental healthcare delivery.In this symposium, leading experts in mental healthcare data science will address the new technologies which have emerged during the pandemic, insights into their immediate impacts, and the opportunity to support better personalisation and access to mental healthcare in the future.Dr Rashmi Patel is an MRC HDR UK Fellow, general psychiatrist and EPA Research Prize winner. He will speak about insights from EHR data during the pandemic and how real-time data visualisation could help to reduce treatment delays in serious mental illness.Dr David Rigby is Chair of the Special Interest Group on Digital Psychiatry at the UK Royal College of Psychiatrists. He will review the impact of digital psychiatry on recruitment and the benefits and challenges of telepsychiatry during the COVID-19 pandemic.Dr Miguel Alvarez-Mon is Associate Professor of Psychiatry at the University of Alcalá. He will present, with original research, how social media contents may have contributed to misinformation during the pandemic and how they could impact public mental health.Dr Tanjir Rashid Soron is founder of the Telepsychiatry Research and Innovation Network and will share his experience of leading “Monerdaktar”, the largest online mental health service in Bangladesh, and how it improved access to mental healthcare during COVID-19.