“I am thankful for Mario's leadership as Campaign Manager for my 1998 campaign for Arizona Attorney General and my 2002 campaign for Arizona Governor. I am proud to call Mario my friend and I greatly respect his talents and abilities.”
— Janet Napolitano, Secretary of Homeland Security and former Governor of Arizona
“Mario Diaz and his outstanding organization were instrumental in assisting Russo and Steele achieve a myriad of objectives. The professionalism, tact and keen awareness of the facts, ramifications, and subtle nuances of the issues at hand were handled by Mr. Diaz and his firm, exceeding my highest expectation. It would indeed be my pleasure to again retain the services of Mario Diaz & Associates for future endeavors.”
— Drew Alcazar / Russo and Steele, L.L.C.
“Mario has always been a dedicated friend of the United Food and Commercial Workers. We look to him and his staff for politically strategic advice and are never disappointed.”
— Mike Vespoli / UFCW-Local 99, Former Government Affairs Director
"I can depend on Mario E Diaz & Associates because they consistently provide thorough information. I always know both sides of an issue after meeting with Mario and his team."
— Robert Blendu / 2007-2008 Arizona Senate President Pro Tempore
“I have been fortunate to work with Mario E Diaz & Associates for my 2005 and 2009 re-election campaigns for Phoenix City Council. I value my relationship with the team as they have always been dependable and focused.”
— Councilman Michael Johnson / City of Phoenix, District 8
“Policies made in Washington, DC affect all states, but we know each state’s political culture is different. Therefore, when we needed an Arizona expert, we called Mario E Diaz & Associates. Their relationships with both rural and urban elected officials in Arizona proved invaluable when coordinating press conferences and obtaining grasstops letters."
— Selena Shilad / Law Media Group
"It was a pleasure to work with Mario E Diaz & Associates in the planning of a reception for His Royal Highness The Duke of York (Prince Andrew), UK Special Representative for International Trade & Investment. Mario and his team seamlessly coordinated the event with the hosts, Governor Napolitano, Mayor Phil Gordon and UK Trade & Investment, while drawing a large number of influential decision makers to the event."
— Angus Mackay / Former Director of the UK’s Official Public Diplomacy Program in the Southwestern U.S.
“Mario has always been a dear friend and colleague. Our community has benefited greatly from his efforts and leadership.”
— Supervisor Mary Rose Wilcox / Maricopa County Board of Supervisors, District 5
“Mario E Diaz & Associates has the pulse of the community and an unwavering commitment to furthering higher education. Mario’s creativity and connections has been an asset to the college.”
— Dr. Anna Solley / President, Phoenix College