Darragh Ennis

Known as ‘The Menace’ on ITV’s ‘The Chase’, Bestselling Author of ‘The Body: 10 Things You Should Know‘, Host of The Podcast ‘A Normal Meets a Nerd‘ & Quiz Master

Darragh Ennis’s Biography:

Darragh Ennis is a professional quizzer, television personality and academic, best known as “The Menace” on ITV’s flagship quiz shows ‘The Chase’ and ‘Beat the Chasers’. Since joining the programme in 2020, he has become a prominent and popular member of the Chasers, appearing alongside Mark Labbett, Shaun Wallace, Anne Hegerty, Paul Sinha and Jenny Ryan, under the hosting of Bradley Walsh. His calm authority, sharp humour and formidable intellect have made him a standout presence across the franchise.

Alongside his television career, Darragh has built an extensive academic background in science. He studied biology and ecology at Maynooth University in Ireland, completing both a BSc and a PhD, before beginning his professional career as a Biomedical Scientist at ICON plc in Dublin in 2008. He later became a Postdoctoral Fellow at Concordia University in Canada, where his research focused on outbreak dynamics and forestry insect pests affecting maple syrup plantations. Returning to the UK, he worked as a Lab Manager and Research Technician at the University of Oxford and the University of Glasgow, contributing to research in brain development and RNA biology.

Darragh first appeared on television as a contestant on the game show ‘Rebound’ in 2015, before joining a winning team on ‘The Chase’ in 2017. His impeccable performance led to him being invited to join the chasers in 2020, making his debut as ‘The Menace’. His wider broadcasting work includes taking part in ‘Britain Get Singing’ in 2022, a charity singing competition in aid of mental health on ITV1. Away from the screen, he regularly hosts live quiz events across the UK, bringing his expertise and engaging style directly to audiences.

In recent years, Darragh has expanded his profile as a science communicator and author. He hosts the popular podcast ‘Untangled Science‘, making complex scientific ideas accessible to broad audiences. In 2024, he published his first book, ‘The Body: 10 Things You Should Know’, which explores the human body in an engaging and accessible way. That same year, he launched a second podcast, ‘A Normal Meets a Nerd‘, co-hosted with Liverpool-based social media creator Dylan Evans, attracting hundreds of thousands of listeners and views.

Why Hire Harry Darragh Ennis?

Darragh Ennis offers a rare combination of elite-level quizzing, rigorous scientific expertise and engaging communication skills. Equally at home explaining complex neuroscience or entertaining prime-time television audiences, he brings clarity, intelligence and humour to every stage. His experience across academia, broadcasting and live events allows him to connect with a wide range of audiences, from corporate teams to public festivals.

In addition to his work on ITV, Darragh is a trusted media contributor and interviewee, having appeared on programmes such as ‘Loose Women’ and other national television and radio platforms. As an author, podcaster and live host, he excels at translating complex ideas into clear, memorable insights. His work across science communication, mental health advocacy and popular media makes him a compelling speaker for organisations seeking credibility, warmth and intellectual authority.

Darragh Ennis’s Career Highlights:

Here are some of the key milestones that define Darragh Ennis’s inspirational career from television to neuroscience:

• 2025 – Announced work on a forthcoming second popular science book, continuing his focus on accessible science communication for mainstream audiences.
• 2024 – Published ‘The Body: 10 Things You Should Know’, a widely praised popular science book exploring the human body in an engaging and easy-to-understand way.
• 2024 – Launched the podcast series ‘A Normal Meets a Nerd’ alongside social media creator Dylan Evans, quickly attracting hundreds of thousands of listeners and views.
• 2022 – Appeared on ‘Britain Get Singing’ on ITV1, taking part in a charity singing competition in support of mental health awareness.
• 2020 – Announced as the sixth Chaser on ‘The Chase’ and ‘Beat the Chasers’, joining Mark Labbett, Shaun Wallace, Anne Hegerty, Paul Sinha and Jenny Ryan under host Bradley Walsh.
• 2017 – Became a member of a winning team on ‘The Chase’, marking his first major on-screen success on the programme.
• 2015 – Appeared as a contestant on the BBC quiz show ‘Rebound’, gaining early national television exposure.
• 2012 – Appointed Lab Manager and Research Technician at the University of Oxford, contributing to research into brain development and RNA biology.
• 2010 – Served as a Postdoctoral Fellow at Concordia University in Canada, specialising in outbreak dynamics and forestry insect pest research.
• 2008 – Worked as a Biomedical Scientist at ICON plc in Dublin, supporting clinical research and pharmaceutical development projects.
• 1999 – Completed a BSc and PhD in Biology and Ecology at Maynooth University, laying the academic foundation for his scientific career.