District leadership

Michael A. Register, P.E.

Executive Director


St. Johns River
Water Management District

Mary Ellen Winkler

Assistant Executive Director


St. Johns River
Water Management District

Brad Purcell

Chief of Staff


St. Johns River
Water Management District

Erich Marzolf, Ph.D.

Director


Division of Water and
Land Resources

Jeff Prather

Director


Division of Regulatory Services

Dale Jenkins, P.G.

Director


Division of Projects

Clay Coarsey, P.E.

Director


Division of Water Supply
Planning and Assessment

Erin Preston

Interim General Counsel


Sam Gardner

Inspector General


Thomas Frick

Chief Resiliency Officer


District organization

organization chart