Who is the oldest Persona user?

Who holds the title of being the oldest known Persona user in the world of cryptocurrency and finance? Are there any notable individuals who have been actively participating in the Persona ecosystem for an extended period of time, possibly even since its early days? What kind of experience and expertise do they bring to the table, and how have they contributed to the growth and development of the Persona community? Additionally, are there any challenges or obstacles that come with being a seasoned Persona user, and how have they navigated those challenges over the years?