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 Resources

Jeff Prather

Director


Division of Regulatory Services

Dale Jenkins, P.G.

Director


Division of Infrastructure and Land Resources

Clay Coarsey, P.E.

Director


Division of Water Supply
Planning and Assessment

Michelle Brown, P.E.

Director


Division of Basin
Management and Modeling

Erin Preston

General Counsel


Thomas Frick

Chief Resilience Officer


Sam Gardner

Inspector General


District organization

organization chart