In-patient luxury rehab center in Thailand

The Diamond Rehab Thailand was born out of a desire to help people recover from addiction in a safe, low-stress environment. We take a highly personalised approach to treatment.

“Not every client is the same, and everyone needs a different approach.”

+66 98-721-8587
+66 98-721-8587
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Diamond Rehab Team

Meet Our Dedicated Team

At The Diamond Rehab Thailand, we created a very diverse therapeutic World class team of professionals. We offer CBT/DBT, the Minnesota model, exercise, meditation, and mindfulness. Together we have over 45 years of experience working in the field of Addiction. Let our team take care of you!


A Heart-Forward Team on a Mission

Each of our team members has expertise, experience, and beliefs grounded in the will to help dedicated indivinduals on their recovery path. At Diamond Rehab Thailand, we’re a team on a shared mission!

Theo de Vries - Managing Director of The Diamond Rehab Thailand

Theo de Vries

Admissions Manager

Theo de Vries, 45 years old, father of three children, married to Panwadee de Vries, has lived full time in Thailand since 2012. ...

“Not every client is the same, and everyone needs a different approach.” Theo’s favourite quote comes from Gabor Maté. “The first question is not why the addiction; it’s why the pain?”

If you decide to go to The Diamond rehab center in Thailand, you will be treated as such; respectful, personalized, and above all, as a human being. Theo is aware that the success of the client’s recovery starts with the person’s willingness and hard work to change; excellent therapy will do the rest.

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Kassondra Glenn LMSW - Diamond Rehab Consultant

Kassondra Glenn

LMSW - Consultant

Kassondra’s practice is grounded in the belief that we heal in authentic, attuned relationship. She holds the therapeutic alliance in high regard, and approaches sessions as a co-created space of exploration. Clients are encouraged to bring the nuance of their experience. Using insight and humor, Kassondra is passionate about engaging those she works with in discovering and reshaping their narratives. ...

Kassondra is a graduate of the Silver School of Social work at New York University and Level I AEDP (Accelerated Experiential Dynamic Psychotherapy) therapist.

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Ahmed Zayed MD - The Diamond Rehab

Ahmed Zayed

Doctor of Medicine

Ahmed Zayed, MD, is a physician, an author, and a fitness lover, and he has a deep-seated desire to assist others in leading happier and more fulfilling lives. ...

Dr. Ahmed Zayed, who received his degree in medicine and surgery from the University of Alexandria, is committed to sharing his expertise with his audience and believes that readers deserve accurate information.

Dr. Zayed has the ability to explain difficult ideas in a way that a layperson can understand while still incorporating a scientific perspective into the discussions that surround those ideas.




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Dr. Harshi Dhingra, MD

Dr. Harshi Dhingra

Medical Doctor

Dr. Harshi Dhingra, MD, is a licensed medical doctor with specialization in Pathology. She is currently employed as faculty in a medical school with a tertiary care hospital and research center. She has over a decade of experience in diagnostic, clinical, research, and teaching work, and has several publications in indexed peer reviewed journals to her name. She has a keen interest in medical content writing and reviewing. She holds medical degrees for MBBS and an MD in Pathology from esteemed institutes in India. ...

You can find Dr. Harshi Dhingra, MD, here on: Linkedin, Researchgate, Googlescholar

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