here is some information about Ross McLean, how many years was Ross president of the Leavue of help for sick and elderly?

He was a member of the Australian Broadcasting Corporation Board of Directors for five years from 1999.[6] He was chair of the National Childcare Accreditation Council for four years from 1996 to 1999. He was president of the Association for the Blind of WA from 1995 to 1999. He was president of the League of Help for the Sick and Elderly of WA from 1995 to 1997. In December 2001 he resigned as chairman of the Fremantle Football Club in the wake of revelations that the club had exceeded the salary cap for the 2001 season.[7] He was a member of the Board of the Western Australian Cricket Association from 2004 to 2012.

2 years, between 1995 to 1997.