James is an Associate Professor in Biosciences in the School of Life and Health Sciences at Aston University, UK and a broadcaster with a number of television companies. James's broadcasting includes work on BBC2's Trust Me I’m a Doctor where he is the programmes most used contributor, BBC1's The Truth About Fat, BBC1's The Truth About Healthy Eating, Channel 4's How to Lose Weight Well, BBC1's How To Stay Young BBC1's Holding Back The Years, ITV1's ITV Tonight: OAP Bootcamp, BBC1's The Truth About Obesity, Channel 5's Get A Holiday Body: Lose A Stone In 4 Weeks, BBC Midlands Today, and the BAFTA-nominated Channel 4 programme Old Peoples Home for 4 Year Olds.
James is also a Trustee of the British Society for Research on Ageing (BSRA), the oldest biogerontology research society in the world. Having graduated with a PhD in 2006 based on the role of fat-secreted hormones in pancreatic function James has continued to work in the related field of body fat, both in terms of basic and clinical science, and how excess adiposity affects health and disease.
His research areas include obesity, type 2 diabetes, breast cancer, frailty and ageing.
James is neurodiverse, having been diagnosed with ADHD in 2021