From Longman Business Dictionary
chairpersonchair·per·son /ˈtʃeəˌpɜːsənˈtʃerˌpɜːrsən/ noun (plural chairpersons or chairpeople /-ˌpiːpəl/) [countableC] COMMERCEsomeone who is in charge of a meeting or who directs the work of a committee or organizationSYN CHAIRThe elected Chairperson and Vice-Chair will serve a term of 2 years.