Our Team

Our providers are on the forefront of integrative psychiatry and are dedicated to helping you thrive

About Integrative Psychiatry Centers

We’re committed to revolutionizing mental healthcare with innovative treatments that address the root causes of mental health disorders. Our team strives to treat each patient as a unique individual, honoring everyone’s needs, desires and goals. 

  • Will Van Derveer, MD

    Co-Founder, Medical Director
    Will Van Derveer, MD is a leader in the adoption of integrative psychiatry practices globally. After discovering that his conventional psychiatric training was inadequate to answer many of the challenges facing his patients, Dr. Van Derveer began to learn how to resolve the root causes of common psychiatric problems such…
  • Keith Kurlander, MA, LPC

    Co-Founder, Executive Director, Coach
    Keith has two decades of combined experience as a licensed professional counselor in private practice, business administration and teaching at the undergraduate and graduate level. He is the Co-Founder of the Integrative Psychiatry Center and Integrative Psychiatry Institute along with Will Van Derveer, MD. He also created the Higher Practice…
  • Elizabeth Cordes, DO

    
Integrative Psychiatrist
    We are at an exciting time in medicine, where innovative treatments are finally available to address people suffering with their mental health. As an integrative psychiatrist, I seek not only to relieve patients’ symptoms, but to genuinely improve their quality of life in mind, body, and spirit. By identifying root…
  • Guili Zavaschi, MS, LPC

    KAP Team Leader, Ketamine-Assisted Psychotherapist
    Guili Zavaschi is a Licensed Professional Counselor originally from Brazil. He completed his undergraduate studies in Clinical Psychology in South America and earned his Master’s degree in Counseling Psychology in the United States where he has been living since 2008. Upon graduating, Guili worked as a bi-lingual Functional Family therapist…
  • Mariah Rossel, MA, LPCC

    Ketamine-Assisted Psychotherapist
    Mariah has spent over 15 years working with the Lakota and the Shipibo. So, her work is based on the relationships of all people and all things. She is passionate about helping people explore the depth of their psyche and create space in their mind, body, and spirit. She believes…
  • Alexis Ortiz, BSN, RN

    IV Nurse
    Alexis is a registered nurse with 2.5 years of experience on intermediate and medical ICU units, but found love for integrative medicine once she experienced her body, mind, and spiritual transformation overcoming depression and anxiety. At the Integrative Psychiatric Clinic, she experiences fulfillment and joy in providing clients with a…
  • Yvette Emmanuela

    Office Manager, Patient Care Coordinator
    Yvette Emmanuela worked as a community organizer with various non-profits and government funded ethnographic projects before joining IPC in 2015. She currently serves as IPC’s New Patient Coordinator and Office Manager. As New Patient Coordinator, Yvette is a liaison between the patient and the clinic, providing information and guiding patients…

We’re here for you.

Please call (303) 260-9685 or email info@psychiatrycenters.com to learn more or to setup your consultation.