STEVEN M. SEIBERT

Corporate Board Profile

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MOSAIC CO

Filing Date Source Excerpt
2013-08-22 Mr. Seibert is a land use and environmental attorney and has been a Florida Supreme Court-certified mediator for over 20 years. He has operated The Seibert Law Firm in Tallahassee, Florida since January 2003, and in early 2013 co-founded a strategy consulting firm, TriSect LLC. From July 2008 until September 2011, Mr. Seibert was Senior Vice President and Director of Strategic Visioning for the Collins Center for Public Policy, a non-partisan, non-profit policy research organization. He also served as the Executive Director of the Century Commission for a Sustainable Florida from 2005 until July 2008. Prior to re-starting his law practice in 2003, Mr. Seibert was the gubernatorial appointed Secretary of the Florida Department of Community Affairs from 1999 to 2003 and, before that, Mr. Seibert was an elected County Commissioner representing Pinellas County, Florida from 1992 to 1999.
2014-04-02 Mr. Seibert is a land use and environmental attorney... Service in various public policy and governmental roles in Florida, as well as his law practice, contribute to our Board’s understanding of public policy and other statewide and local issues in Florida.
2015-04-01 Mr. Seibert is a land use and environmental attorney... Service in various public policy and governmental roles in Florida, as well as his law practice.
2016-04-06 Mr. Seibert is a land use and environmental attorney... Government and Public Policy... Environment and Land Use.
2017-04-03 Mr. Seibert is a land use and environmental attorney... Service in various public policy and governmental roles in Florida.
2018-03-28 Mr. Seibert is a land use and environmental attorney and has been a Florida Supreme Court-certified mediator for over 20 years.
2019-04-10 Attorney, The Seibert Law Firm ... land use and environmental attorney.
2020-04-08 Attorney The Seibert Law Firm

Data sourced from SEC filings. Last updated: 2026-02-08