Sean Lerwill

Sean Lerwill was the main author for the Haynes Royal Marines Fitness Manual. He has since left the Marines and is currently working as a fitness trainer. He has written numerous fitness articles for magazines and websites, including The Independent, Men's Fitness and Men's Health.

Sean Lerwill was the main author for the Haynes Royal Marines Fitness Manual. He has since left the Marines and is currently working as a fitness trainer. He has written numerous fitness articles for magazines and websites, including The Independent, Men's Fitness and Men's Health. See less