AZBio Board of Directors

David A. Dexter

General Manager, Joint Ventures, for the Quest Diagnostics Operations in Arizona

President & CEO for Sonora Quest Laboratories, LLC

President & CEO for Laboratory Sciences of Arizona, LLC

David A. Dexter is the General Manager, Joint Ventures, for the Quest Diagnostics Operations in Arizona, serving as President & CEO for Sonora Quest Laboratories, LLC, a joint venture between Quest Diagnostics (a Fortune 500 company) and Banner Health (the largest non-secular health delivery system in the U.S.) and as President & CEO for Laboratory Sciences of Arizona, LLC, which provides management oversight and strategic direction for 31 Hospital and Rapid Response laboratories supporting Banner Health Hospitals, Academic Medical Centers and Cancer Centers across the state of Arizona and five western states.

Together, Sonora Quest Laboratories and Laboratory Sciences of Arizona make up one of the largest integrated laboratory networks in the nation, with more than 3,500 employees serving the entire continuum of healthcare.

Under Dexter’s leadership, Sonora Quest Laboratories recognitions have included:

  • 2021 ‘Top 40 Most Admired Companies in Arizona’ for 11 years (2011–2019, 2021) by Az Business Magazine and BestCompaniesAZ
  • 2021 ‘#1 Bioscience Company in Arizona’ for 10 consecutive years (2012–2021) by Ranking Arizona
  • 2017 ’IMPACT Award Exceptional Innovator’ for large businesses by Greater Phoenix Chamber of Commerce
  • 2017 ‘Corporate Philanthropy Award Community Impact’ for Arizona large companies by The Business Journal
  • 2017 ‘Best Places to Work’ (Large Company Category) by the Phoenix Business Journal
  • 2011 ‘Business Ethics Award’ recipient by Better Business Bureau of Greater Arizona

Additionally, Dexter has been recognized personally for his leadership, including:

  • 2021 ‘Top 5 Bioscience AZ Business Leaders’ by AZ Big Media
  • 2020 ‘Top 3 Technology Leaders in Arizona’ by Arizona Capitol Times
  • 2019 ’10 Most Transformational Leaders in Business’ by Beyond Exclamation 
  • 2019 ‘AZ Business Leaders’ by AZ Big Media
  • 2015 ‘Southwest Alliance for Excellence Leadership Award’
  • 2014 ‘Public Service National Leadership Award for Business Innovation and Creativity’ by the G2 Intelligence Lab Institute
  • 2009 ‘Top 25 Most Admired CEOs in the Valley’ by Phoenix Business Journal
  • 2008 Arizona Corporate Excellence (ACE) Awards for ‘CEO of the Year’

Dexter is a Certified Six Sigma Green Belt and he serves on the Board and the Executive Committee of Contexture (the Arizona and Colorado Health Information Exchange), the National Leadership Council for the Executives for Health Innovation, the Board of Directors and Healthcare Committee Member for the Arizona Chamber of Commerce and Industry, the Board of Directors of the Arizona Bioindustry Association, as a Board Member and Health Committee Member of the Greater Phoenix Leadership, and on the Flynn Foundation’s 2021 Arizona Bioscience Roadmap Council. Dexter is also a member of the American Cancer Society’s CEOs Against Cancer, and the JDRF Board of Chancellors