Utilize the input text as a context reference, choose the right relationship between 'Fairfax Financial' and 'Prem Watsa' from the options.
Options: business division, position held, chairperson, currency

"Given the volatility of the market, combined with the capital-intensive nature of the business, we believe that APR Energy would benefit from a period as a privately held company as it seeks financial stability," Fairfax Financial Chairman and Chief Executive Prem Watsa said in a statement.
chairperson