2024 is the 2nd consecutive year ranked #1 in Newsweek’s list of Best Addiction Treatment Centers in Arizona!

Our Staff

Holley K. Anderson MS/P

Family and Communication Manager

Holley is a native Tucsonan. She graduated from Grand Canyon University with a Master’s of Science in Psychology. She is now enrolled in a Clinical Psychology PhD program at Walden University. Psychology is a passion that remains strong for Holley, and she looks forward to sharing her experiences to make the world a better place.

Before Sierra Tucson, Holley worked with children diagnosed with cognitive disabilities. Working with these children highlighted the exponential value a strong family support system can bring. This is the mindset Holley brought to Sierra Tucson.

During her free time, Holley enjoys reading, baking, and sending time with her family and dog, Reba.

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