An Optimus Prime action figure on his desk, Muppet Show songs on his iPod and an in-depth knowledge of Disney theme parks are just the tip of the iceberg when it comes to Mark's quirks, character and idiosyncrasies. Luckily he has a young son to impart all these hobbies and knowledge on to; although many would possibly consider this a form of cruelty.

Chairman of the Montanaro Fantasy Football league and the instigator of many of the more obscure conversations in the office, Mark is a light hearted jack of all trades who has a spreadsheet for everything and is willing to give anything a go.