MARI Research Institution Medical Team
Since 2010
Welcome to MARI Research

The Misdiagnosis Association and Research Institution

MARI

also known as MARI, is a research organization dedicated to conducting research on "Misdiagnosis," "Error in Treatment," "Malpractice," and overall, all errors happening in the healthcare and medical fields. Through our work and our publications, we aim to remove the limitations and boundaries placed on healthcare and improve quality of life by providing excellent and equitable care to all.

What We Do

Our Core Activities & Focus Areas

MARI is committed to transforming healthcare through interdisciplinary research, education, and advocacy. Explore the key areas where we make a difference.

Medical Research

Conducting rigorous research on misdiagnosis, treatment errors, and malpractice across multiple healthcare fields to identify systemic issues.

Scientific Publications

Published 198+ scientific papers and 4 medical textbooks contributing to the clinical field and healthcare knowledge worldwide.

Training & Mentorship

Providing hands-on training and mentorship for over 620 doctors, nurses, pharmacists, and university students globally.

Misdiagnosis Prevention

Identifying, analyzing, and preventing misdiagnosis errors through evidence-based frameworks and clinical guidelines.

Mismedicine Framework

Pioneering the "Mismedicine" concept — a comprehensive system-wide approach to understanding preventable medical errors.

Global Collaboration

Operating in 6+ countries with international partnerships to advance healthcare research on a global scale.

Clinical Excellence

Bringing together multidisciplinary teams of physicians, surgeons, and specialists to elevate patient care standards.

Pharmaceutical Research

Ongoing collaboration with pharmaceutical organizations in the US on COVID-19 vaccine and related products.

Advocacy & Awareness

Hosting webinars, workshops, and campaigns to bridge the gap between science, healthcare providers, and patient impact.

Latest Research

View All Research
Health Conditions and Diseases Aug 07, 2026

Artificial Intelligence in Cancer Detection and Treatment

Introduction Oncology tools based on Artificial Intelligence (AI) often use medical images and genomic information to help identify and classify...

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Health Conditions and Diseases Jul 25, 2026

Deep Brain Stimulation for Parkinson’s Disease: The Importance of Accurate Diagnosis

Introduction Parkinson’s disease is a progressive neurological disorder that causes the degradation and eventual loss of dopamine producing brain cells...

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Mismedicine May 12, 2026

Transthyretin Amyloidosis: From Disease Mechanisms to Emerging Therapeutic Innovations

Introduction Transthyretin amyloidosis (ATTR) is a progressive and life-threatening disorder characterized by the misfolding of transthyretin (TTR) proteins into amyloid...

Read More

2025 Numbers

What MARI has accomplished so far:

  • ➤Published four medical textbooks in the clinical field
  • ➤Published 198 scientific papers/articles in the medical field
  • ➤622 doctors, nurses, pharmacists, and university students have joined us within the last few years
  • ➤Ongoing collaboration with two pharmaceutical organizations in the US on COVID-19 vaccine and related products
6
Countries
800+
New talents hired
1000+
Projects completed

Testimonial

On days where I did not believe in myself, Dr. Beigi was there to uplift my spirits and give me the motivation to keep moving forward. From him, I learnt the meaning of never giving up on your dreams no matter how difficult or impossible the path may seem.

D
Divyani Latchman
Dental Student, Western University, Canada

MARI means a group of great minded and creative people, who are a great support group and are composed of like-minded people. MARI is a place where all of your creative ideas are heard.

T
Taha
Research Assistant

Great opportunity to learn, improve my communication and team-building skills. Doesn't only teach the people that are a part of MARI, but also the readers and the rest of the world.

A
Anahita
Research Assistant

It means accountability: you are on your own, but you have a team right behind you. Whatever ideas you bring to the table, MARI listens and we get the chance to grow and refine our skills and ideas.

A
Adedolapo
M.D./Ph.D. Student Researcher

MARI is an organization that not only works to help develop healthcare and limit misdiagnosis, but also tries to include people from all levels in their career path.

S
Sanna
Research Assistant

MARI is a good opportunity to challenge myself and take initiative. What you want to get out depends on how much you put in. Great opportunity to learn about healthcare.

C
Celine
Research Assistant

MARI has been my second family - although we went through a couple of "breakups", it is a place where my ideas have been able to come to life.

A
Armita
Human Resources Manager

MARI to me has been a place of self realization. I've learned about my strengths and weaknesses and I've been given every opportunity to face those challenges.

A
Azi
Social Media Manager

MARI has been so many different things, a place for growth, established my confidence, made me a contributing member to society. The most amazing opportunity to grow.

N
Negin
Chief Information Officer

MARI is my family, I have tried to build an environment where everyone has the freedom that Negin described. From the time you have joined, we are here to support you.

P
Dr. Pooya Beigi
President

Frequently Asked Questions

Learn more about MARI Organization and our mission

➤What is MARI?

The Mismedicine Association and Research Institution (MARI) is the first and only organization in the world dedicated exclusively to addressing misdiagnosis, malpractice, errors in treatment, and medical errors, which altogether make up the term used here at MARI, Mismedicine.

MARI is more than a research hub, it's a movement. We have created a platform to bring together physicians, clinical educators, researchers, and students from around the world.

➤How does MARI Work?

MARI operates at the intersection of academic rigor, public impact, and interdisciplinary collaboration. Here at MARI we pride ourselves on encouraging students to conduct consistent studies on misdiagnosis, treatment errors, systemic healthcare challenges and other topics students see as important.

➤Who founded MARI?

MARI was founded in 2010 by Dr. Pooya Khanmohammad Beigi, MD, a dermatologist and dermatologic surgeon.

➤Why was MARI established?

MARI was created out of the recognition that errors are an inevitable reality in medicine and healthcare, yet often remain underexplored or insufficiently addressed.

➤Where is MARI based?

MARI's headquarters are located in Beverly Hills, California, USA, but the organization operates internationally with branches in the UK, France, Germany, UAE, Hong Kong, and Australia.

➤How fast is MARI growing?

MARI is experiencing rapid expansion. Over 620 doctors, nurses, pharmacists, and university students from around the world have joined in recent years.

➤How does someone join MARI?

Individuals interested in joining MARI can apply through the organization's dedicated Human Resources Portal at mari.careers.

➤How many subsidiaries does MARI have?

Currently, MARI has 20 subsidiaries, with new branches continuing to be added as the organization grows.

➤What does the term "Mismedicine" mean?

Mismedicine is a concept first developed by MARI to capture the wide spectrum of errors and gaps that can occur in healthcare.

➤Does MARI collaborate with other organizations?

Yes. MARI partners with universities, hospitals, research centers, and health organizations worldwide.