For IAAO President-Elect

Tim Boncoskey

Chief Deputy Assessor
Maricopa County
Phoenix, Arizona

Thank you for being an IAAO Member!

With dedicated professionals like you in our association, a robust team in Kansas City and an energetic Executive Board, we are taking the assessment and tax policy profession to the next level globally. I would be honored to have the opportunity to help us get to that next level and deliver the goals in the Vision 2020 plan ahead of deadline as your President-Elect. I ask for your support and vote in November.

IAAO Leadership Roles

  • Vice President, 2017
  • Budget Committee, 2017
  • Executive Board, 2013-2015
  • Vision 2020 Committee, 2014-2016
  • Chair, Councils and Sections Committee, 2012
  • President, AZ IAAO, 2007–2008, 2011
  • Chair, Metropolitan Jurisdictions Council and Phoenix Local Host Committee, 2011
  • Representative, AZ IAAO, 2009-2017
  • Speaker and Moderator, IAAO Annual Conference and GIS/CAMA Technologies Conference(s), 2008–2017 

Professional Experience

  • Chair, AZ Assessor Education, Training, and Certification Advisory Committee, 2015-2017
  • Maricopa County, Chief Deputy Assessor, 2006–present
  • Arizona Department of Administration, Assistant Director, 1995–2006
  • Chair, Governor’s Regulatory Review Council, 1996–2003
  •  AZ Office of the Governor, Director/Special Assistant, 1989–1995
  • Fairfax County, VA, Budget Analyst, 1986-1989

Peer Recognition

  • IAAO Stacy Ford Award, 2016 (Outstanding Representative)
  • IAAO Kenneth J. McCarren Award, 2016 (New Member Recruiting)
  • Maricopa County Pillars of Honor, 2013
  • IAAO Member of the Year Award, 2012


  • Strategic Leadership Program, Governor’s Center, Duke University, 1999
  • Master’s Degree, LBJ School of Public Affairs, University of Texas at Austin, 1985
  • Bachelor’s Degree, Eller College of Management, University of Arizona, 1983

“My commitment to you is to do my best to ensure we advance the association’s goals and achieve a diverse and inclusive membership, who thrives on professional development and education to better serve our communities around the world.”