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Michael Pleus

City Manager

About

City Manager

Mariellen Calabro received her BS and MA degrees in Biology from the College of William and Mary in Virginia. She is a Registered Environmental Manager with the National Registry of Environmental Professionals. 

Mariellen became a Certified Arborist with the International Society of Arboriculture in 2008 and became a Board Certified Master Arborist in 2015.

The ISA Board Certified Master Arborist® credential is the highest level of certification offered by ISA. This credential recognizes ISA Certified Arborists® who have reached the pinnacle of their profession. In addition to passing an extensive scenario-based exam, candidates must abide by a Code of Ethics, which ensures quality of work. Fewer than two percent of all ISA Certified Arborists® currently hold this certification.

In addition, Mariellen is a TRAQ qualified arborist. TRAQ (Tree Risk Assessment Qualification) is an ISA qualification program that trains arborists how to use the methodologies outlined in the ISA Best Management Practices for Tree Risk Assessment. This qualification promotes the safety of people and property by providing a standardized and systematic process for assessing tree risk. The results of a tree risk assessment can provide tree owners and risk managers with the information to make informed decisions to enhance tree benefits, health, and longevity.

She has been the City Forester in DeLand since April 2006.

Michael Pleus is a native Floridian, born in Windermere, Florida.  He received his BA from Stetson in Political Science in 1994 and MBA from Stetson in 1999.  He earned his designation as a Credentialed Manager by the International City/County Management Association in 2008.  He is also a graduate of Leadership DeLand – 2001

His career in Public Administration began in 1994 as an Intern in the County Manager’s Office.  He was promoted to Special Projects Coordinator and later an Assistant to the County Manager before leaving in early 2000.  Michael was hired as Administrative Services Director for the DeLand in March of 2000.  He was promoted to Assistant City Manager in 2001 and City Manager in July 2008.  As City Manager, Michael is responsible for the day to day operations of City government.  

Michael currently serves as a President-Elect for the Florida City/County Management Association, Executive Board Director for Team Volusia Economic Development Corporation and serves on the Leadership Committee for the Center for Performance Measurement for the International City/County Management Association.  He is also the Cubmaster for Cub Scout Pack 610, School Board Member for St. Peter Catholic School and is Past-President of the Kiwanis Club of DeLand.

Michael has received many recognitions including:  City Manager of the Year by the Volusia League of Cities, Difference Maker of the Year by the West Volusia NAACP, Outstanding Volunteer of the Year Nominee by the United Way of Volusia and Flagler Counties, Young Business Leader by Volusia Business Report, Employee of the Year by the Volusia League of Cities, President’s Award by the DeLand Area Chamber of Commerce, Exceptional Community Partner Award by the Spring Hill Neighborhood Association, and Community Service Award by the Salvation Army.  

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