David Clarke, Chief Executive of mid-range hotel chain Best Western, goes on an undercover mission to examine the inner workings of his company, with mixed results

Harry Ramsden's new CEO Marija Simovic goes undercover to find out more about the fish and chip chain, and to see how her company's fortunes might be turned around

Paul Fisher is the boss of Jockey Club Racecourses, the largest and most successful organisation in the competitive world of British horseracing. He'll pose as Richard Setter, a new casual employee, who is trying out entry level jobs in the world of horse racing to find out how his company works from the bottom up. Strong language

Fifty-nine-year old Colin Drummond is chief executive of Viridor, one of Britain's largest recycling and waste management companies. Colin spends five days undercover as a new recruit called John Roy. By going undercover and seeing his business at the sharp end he believes he will learn valuable lessons about what his company is doing both right and wrong.