"chairperson." YourDictionary, n.d. Web. 17 August 2018. <http://www.yourdictionary.com/chairperson>.
chairperson. (n.d.). Retrieved August 17th, 2018, from http://www.yourdictionary.com/chairperson
(plural chairpersons or chairpeople)
In modern usage, terms like chair, moderator, coordinator, presiding officer, group leader, head, facilitator, and so forth, are often preferred.
chair + person, after chairman and chairwoman