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Onondaga County Executive’s Biography
Joanne M. Mahoney

Elected in November 2007, Joanne M. Mahoney is the first woman to serve as Onondaga County Executive.

Growing up in Syracuse, Joanie graduated from Corcoran High School, Syracuse University’s School of Management and the Syracuse University College of Law.

After spending time in private practice, County Executive Mahoney worked for five years as a criminal prosecutor in the Onondaga County District Attorney’s Office before being elected Councilor-at-Large in the City of Syracuse where she served a four year term.

The County Executive has earned a reputation as someone who gets things done. Whether implementing a program that puts a free book in the hands of preschoolers every month or partnering with State government to fund college scholarships for high school graduates, the County Executive has put an emphasis on making progress.

When it came to the complicated issue of cleaning Onondaga Lake, which had been dubbed one of the most polluted lakes in the Country, the County Executive went to work on a greener, more sustainable program culminating in “Save the Rain”, a comprehensive stormwater management plan developed to reduce pollution in Onondaga Lake. As a result of these efforts, the United States Environmental Protection Agency recognized Onondaga County as a “Green Infrastructure Partner Community,” The United States Water Alliance awarded the County its highest award, the Water Prize, and the New York State Department of Environmental Conservation awarded Onondaga County the “NY State Environmental Excellence Award.”

Joanie has also made diversifying county government and supporting minority and women owned businesses a priority and she established one of the most robust Minority and Woman Owned Business programs in the state for those seeking to do business with Onondaga County.

Joanie understands the importance of the arts and successfully created a dedicated funding stream for arts organizations in our community.

County Executive Mahoney has also made working cooperatively with our partners in government a priority. She served as co-chair of Gov. Cuomo’s transition team, served as a Trustee for the New York Power Authority and most recently the County Executive serves as Chair of the New York State Thruway Authority.

In November 2015, Joanie was elected to her third term as County Executive.

Joanie Mahoney and her husband Marc Overdyk have four sons and reside in the Town of Dewitt.

Office of the County Executive
John H. Mulroy Civic Center, 14th Floor
Syracuse, New York 13202
Telephone 315-435-3516
Fax 315-435-8582


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