District leadership

About us
Michael A. Register

Michael A. Register, P.E.

Executive Director

St. Johns River
Water Management District
Headshot of Tom Frick

Thomas Frick

Assistant Executive Director

St. Johns River
Water Management District
Organization

Brad Purcell

Chief of Staff

St. Johns River
Water Management District
Headshot of Jeff Prather

Jeff Prather

Director

Division of Regulatory Services
Organization

Erich Marzolf, Ph.D.

Director

Division of Water and
Land Resources
Head shot of Dale Jenkins

Dale Jenkins, P.G.

Director

Division of Projects
Headshot of Clay Coarsey

Clay Coarsey, P.E.

Director

Division of Water Supply
Planning and Assessment
Mary Ellen Winkler headshot

Mary Ellen Winkler

General Counsel

Headshot of Sam Gardner

Sam Gardner

Inspector General

District organization

Operating agreement with the Florida Department of Environmental Protection
District delegation policy
organization chart