Tim Boncoskey is the President of IAAO for 2019. Outside of IAAO he serves as Chief Deputy Assessor for Maricopa County in Phoenix, Arizona. He joined Maricopa County as Chief Deputy in July 2006 after 17 years with the State of Arizona. He also worked as a senior budget analyst for the Fairfax County Office of Management and Budget in Virginia before beginning his Arizona State government career.
He previously served as IAAO President-Elect and Vice President, and also as a member of the IAAO Board from 2013-2015. In 2018, he was appointed to the National Association of Counties (NACo) Board of Directors, representing IAAO and serving on the NACo’s programs and services committee and large urban county caucus.
He has twice received the IAAO Stacy Ford Award winner for being the association’s most outstanding Representative and three times received the IAAO Kenneth J. McCarren Award for recruiting the most new IAAO members. He was selected IAAO Member of the Year in 2012 and was enshrined in Maricopa County’s Pillars of Honor in 2013 for that achievement. In 2014, Tim, along with four other IAAO Board members, wrote the 2020 Vision and Strategic Plan for IAAO (2015 – 2020).
In 2011, he served as Chairman of the Major Jurisdictions Council, Chairman of the Local Host Committee for the 2011 International Conference on Assessment Administration in Phoenix and Chairman of the Councils and Sections Committee of IAAO in 2012. Tim has also served as the elected President of Arizona Chapter of IAAO (AzIAAO) for 2007-2008 and 2011 and the chapter’s national representative for nine years beginning in 2009. In 2018, he received the AzIAAO Bud Scribner Award for his outstanding contributions to the Arizona assessment community.
Mr. Boncoskey began his state service working for the Governor’s Office of Strategic Planning and Budgeting where he analyzed various agency budgets including the Department of Revenue for fiscal year 1991 and 1992. He served as an initial management staff member in the Governor’s Office for Excellence in Government from 1993 to 1995, becoming Executive Director in 1994. Governor Symington appointed Tim an Assistant Director of the Department of Administration (ADOA) in 1995 and he went on to hold various executive management positions in ADOA until he joined Maricopa County.
Tim served Governors Symington, Hull and Napolitano in his seven years as the Chairman on the Governor’s Regulatory Review Council from 1996 to 2003.
He received his Bachelor’s Degree in Public Administration in 1983 from the University of Arizona and his Master’s Degree in Public Affairs in 1985 from the LBJ School at the University of Texas and attended the Governor’s Center at Duke University Strategic Leadership Program for State Executives in 1999.