patriarch
/ˈpætrɪˌɑr.k/Definitions
1. noun
A male head of a family or tribe, especially in a traditional or ancestral context; a father or ancestor of a family or tribe.
“The patriarch of the family gathered his children around him to share stories of their ancestors.”
2. noun
A person who is considered to be a leader or authority in a particular field or organization.
“The patriarch of the company was known for his innovative ideas and vision.”