
Meet our Team
At Timberline Psychological Testing, we are dedicated to providing quality mental health services that give you complete control over your information. Meet our two Psychologists with decades of experience.
Warren Phillips, Ph.D.
Clinical Psychologist & Founder

With more than 25 years of experience in clinical practice and teaching, Dr. Phillips brings warmth and dedication to every evaluation. Licensed since the late 1990s, he’s skilled in administering psychological testing and telehealth feedback to children, teens, and adults. As a Teaching Professor at Iowa State University (1996–2025), Warren has trained countless graduate students—many of whom now serve in leadership roles across the country. In his practice, Warren loves helping clients uncover the roots of their challenges and build on their strengths with practical tools and resources. Dr. Phillips is open to seeing clients age 2 and up, of all genders. ​​
Amy Cantazaro, Ph.D.
Licensed Psychologist

Dr. Cantazaro is a licensed psychologist with nearly two decades of testing and assessment experience for Autism, ADHD, OCD, learning disabilities, and other mental health concerns. She works with children ages 6–17 as well as adults ages 18-39. Dr. Cantazaro has a high professional interest in assessing for neurodivergence in individuals who are female-presenting but is open and skilled in supporting all genders. Dr. Cantazaro is committed to creating affirming, neurodivergent, inclusive environments to ensure that every client feels respected, supported, and empowered. Hybrid services include virtual components and in-person components (as needed/desired) in the southwest suburbs of Minneapolis, Twin Cities. Eden Prairie, MN office location.​​