our people


John Ashton

John Ashton, CPCU, ARM

Principal, CEO
602.222.2101 | email John

John Ashton puts the Ashton in Ashton Tiffany. He founded the firm in 1995, together with life-long amigo Mike Tiffany. John has completed a battery of post-graduate professional programs, including the chartered property casualty underwriter (CPCU) and associate in risk management (ARM) curricula. He earned his BS in general business from Arizona State University.

John spends his days indulging his passion for:

  • Administration of insurance pools and outsourced risk management programs
  • General risk management consulting services
  • Feasibility studies and reports for clients exploring risk management options
  • Management and leadership of Ashton Tiffany
Mike Tiffany

mike tiffany, CPCU, ARM

Principal, President
602.222.2101 | email Mike

Since he was a small child, Mike Tiffany dreamed of owning his own risk management firm. In 1995, together with John Ashton, he founded Ashton Tiffany. Like John, his post-graduate work includes the chartered property casualty underwriter (CPCU) and associate in risk management (ARM) curricula. Also like John, Mike earned his BS from Arizona State. Unlike John, his degree is in engineering.

Day-to-day, you'll find Mike up to his eyeballs in:

  • Administration of various public-entity insurance pools in Arizona
  • General risk management consulting services
  • Management and leadership of Ashton Tiffany

Practice Leaders

Tracy Foss

Tracy Foss, ARM, CIC, CRM

Healthcare Risk Management Lead
602.222.2121 | email Tracy

In your entire life, you'll never meet anyone more passionate about healthcare risk management than Tracy Foss. She has spent more than 20 years mastering the nuanced mechanics of the insurance industry, with an intense focus on health care. In her office, Tracy proudly displays her insurance license for property and casualty in the state of Arizona, and her certified insurance counselor (CIC) and certified risk manager (CRM) designations from the National Alliance for Insurance Education & Research.

Tracy works the following magic for clients:

  • Insurance policy drafting and review
  • Alternative risk financing feasibility analysis
  • Self-insured program management
  • General risk management consulting
Jennifer Darnall

Jennifer Darnall, CPCU, ARM

Pool Administration Lead
602.222.2103 | email Jennifer

Jennifer Darnall was born to run...our pool administration practice. She’s got all the fancy certifications you want someone in her position to have, including her property and casualty producer’s license in the state of Arizona, the chartered property casualty underwriter (CPCU) designation, and the associate in risk management (ARM) certification. Like a lot of our team members, she’s a rabid Sun Devil. She got this way while earning her BS in purchasing and logistics management from Arizona State.

Jennifer’s vast repertoire includes:

  • Insurance pool management
  • Alternative risk financing analysis and implementation
  • Risk management and insurance consulting for both public and private entities
Linda Whitaker

Linda Whitaker, CPCU, ARM, CRIS

Construction Practice Lead
602.222.2133 | email Linda

When you’re ready to talk serious construction risk management, Linda Whitaker is your gal. As our construction practice leader, Linda boasts a hefty list of accreditations, including chartered property casualty underwriter (CPCU), construction risk and insurance specialist (CRIS), and associate in risk management (ARM). While a true red and blue Wildcat at heart, Linda earned her BA in political science from Arizona State.

Linda spends her time engrossed in:

  • Administration of owner- and contractor-controlled insurance programs
  • Management of Ashton Tiffany operations
  • Assorted risk management consulting services

Senior Managers

Michelle Georgeoff

Michelle Georgeoff

Chief Financial Officer
602.222.2139 | email Michelle

Norm Hall

Norm Hall

General Counsel
602.222.2146 | email Norm

Tom Carr

Tom Carr, phr

Human Resources Director
602.222.2112 | email Tom

Shelley Hall

Shelley Hall

Claims Director
602.200.2457 | email Shelley