During the recession of the 90s, Alister teamed up with an old college friend and entered the world of contract cleaning.
It is also not the first time Buckles has earned the wrath of his shareholders, having been forced to humiliatingly end a £5.2bn takeover of Danish contract cleaning firm ISS last year.
Evidence shows that those workers still covered by collective agreements earn higher wages, so one possible reform would be to set up new tripartite bodies for wage bargaining in certain sectors, such as contract cleaning.
"We identified the sectors we wanted to work on, the first of which was health, where private contract cleaning staff were on minimum wage with no pensions or sick pay.
Pilar Padilla plays Maya, a young Mexican woman who is smuggled over the border with a bus full of cowering "wetbacks", her passage paid for by her older sister Rosa (Elpidia Carrillo), who she joins working for a contract cleaning firm in a gleaming office-block in downtown LA.
Back then his main business, Hawley Group, was heavily into contract cleaning.
The Carnegie Center contracts out cleaning services on the two million square feet of space in its 16 buildings to two independent companies.
"We were organising janitors working for contract cleaning companies: but they're just middlemen," he said.
It is thought Prentis will be pressing for the government to end contract cleaning in hospitals.
The 2010/11 revenue budget for Mansion House was £68,520, to cover costs such as rates, utilities, maintenance, annual maintenance contracts, contract cleaning, refuse collection, and telephones.
