The Klarisana Team

At Klarisana, we are proud to work with the best professionals in the industry who care about your mental health and help you get back to your normal self. We are pioneers in the treatment of mood & pain disorders through the clinical use of Ketamine — a revolutionary treatment for mental health conditions.

Administrative Staff

Dr. Carl J. Bonnett, MD

Medical Director / Founder

Dr. Bonnett is the founder and Medical Director of Klarisana. He is an ABEM certified emergency physician. He trained at the Denver Health Medical Center Residency in Emergency Medicine and also completed a fellowship in EMS/Disaster Medicine at the same institution. He is also served over twenty years in the in the Army National Guard (LTC-ret) and served on four overseas deployments in support of Operations Iraqi and Enduring Freedom. He received the Combat Medical Badge while deployed to Afghanistan with the 41st Brigade Combat Team in 2007. Dr. Bonnett has significant clinical experience with the use of ketamine in the emergency department and forward deployed environments. He is one of the leading physicians in the US in the use of Ketamine for Non-Anesthetic Indications (KNAI). Dr. Bonnett is also one of the founding members of the American Society of Ketamine Physicians (

Neil Haznar

Chief Executive Officer

Alyssa Soto

Alyssa Soto

Administrative Director

Alyssa is responsible for the day to day operation of Klarisana. She oversees scheduling, billing, and operational coordination between our centers. She brings many years of experience in medical practice administration and is truly the glue that holds Klarisana together. Alyssa holds a degree in Biblical Studies from Bethesda School of Ministry.

Dr. Desi Wallington, PhD

Colorado Director of Mental Health Services

Dr. Desmond ``Desi`` Wallington is a clinical psychologist with our Colorado team.
Dr. Claudia Pyland

Dr. Claudia Pyland, PhD


Dr. Pyland is a psychologist who supports our Texas clinics.

Tony Schock PA-C

Standardization and Training Coordinator

Lindsay Bendell, LCSW

Behavioral Health Clinician

Lindsay provides Behavioral Health intakes for our Colorado offices. She is native to Florida where received her Bachelor's Degree in Psychology and after relocating to Denver went on to pursue her Master's Degree in Social Work. In her free time, Lindsay enjoys enjoying all the nature Colorado has to offer and spending time with family and friends.

MacKenzie Hardy

Colorado Administrative Coordinator


Laura Davila

National Marketing Manager

Laura directs administrative operations in our Austin clinic. She is a Houston, Texas native and a graduate of Texas State University. Her studies included a focus in Psychology and Biology. Laura’s motivation comes from a passion to help others be their best versions of themselves. She has always been interested in the use of innovative and forward-leaning therapies in mental health so Klarisana is a natural fit. In Laura’s free time she enjoys spending time outdoors and playing with her 2 dogs, Jaxon and Paisley.

Amanda Gonzalez

Administrative Assistant- Austin

Michael Donisi

Administrative Assistant - Denver


Aleksandra Aguirre

Administrative Assistant - San Antonio

Aleksandra works closely with Alyssa to coordinate scheduling at the Klarisana centers, coordinate follow up with patients' primary care providers, and help to ensure a smooth coordination of care between our campuses.

Holly Thrailkill NP

Nurse Practitioner - Austin

Sarah Grant NP

Nurse Practitioner - Austin

Jennifer Curtis NP

Nurse Practitioner - San Antonio

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