Education History

  • B A Natural Sciences, Johns Hopkins University
  • Ph D Environmental Engineering, Johns Hopkins University

Work Experience

Maryland Secretary of the Environment, (Retired), Maryland Department of the Environment


Guanabara Bay ecosystem health report card: Science, management, and governance implications

Alexandra S. Fries,João P. Coimbra,David A. Nemazie,Robert M. Summers,José Paulo S. Azevedo,Solange Filoso,Marlus Newton,Guido Gelli,Ricardo Castro Nunes de Oliveira,Marco Antonio R. Pessoa,William C. Dennison

Regional Studies in Marine Science,
Elsevier, January 2019

Honors and Awards

  • Admiral of the Chesapeake – appointed by Governor Martin O’Malley (2014)
  • Woodrow Wilson Award for Distinguished Government Service – Johns Hopkins University (2009)

Professional Organizations

Water Environment Federation
American Association for the Advancement of Science