JOHN A. (JACK) SEIFRICK

Corporate Board Profile

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MANNATECH INC

Filing Date Source Excerpt
2022-04-19 John A. (Jack) Seifrick was appointed to the Company’s Board as a Class III director in April of 2022. Mr. Seifrick is Chairman of the Science & Marketing Committee. He also serves on the Associate Compliance Subcommittee, along with the Audit, Compensation, and Science & Marketing Committees. His current term as director expires in 2023.

Data sourced from SEC filings. Last updated: 2026-03-05