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Bradley T. Wajda, D.O.

Doctor Of Osteopathic Medicine


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Hello, I'm Dr. Bradley Wajda - also known as "Dr. Brad'. I often joke with my patients that I'm “practicing hoping to someday get it right”. During my 30 years of “practicing” in the Central Valley, I have amassed extensive experience in adult and child psychiatry as well as comprehensive substance abuse treatment. I have served in many local inpatient and outpatient positions, including that of corporate Medical Director for Kings View Corporation and Medical Director for the Kings View Substance Abuse Treatment Program of Tulare County.

Esano Corporation represents my most recent endeavor to enhance the scope of mental health services available to the general public through a range of treatment options that are personalized to the needs of each individual. These options include Transcranial Magnetic Stimulation (TMS), Dialectical Behavioral Therapy (DBT), Eye Movement Desensitization and Reprocessing (EMDR), Suboxone therapy, Vivitrol therapy, and Seromycin-assisted psychotherapy.

I received my B.S. in Mathematics from the University of Oklahoma with graduate work in radiation physics, and was awarded the degree of Doctor of Osteopathy from the Oklahoma College of Osteopathic Medicine in 1987. I completed my internship and residency in General Psychiatry at the UCSF-Fresno Medical Education Program in 1991.

I am board-certified in Psychiatry by the American Board of Physician Specialists. I am also a Diplomate of the American Board of Forensic Medicine, a Life Fellow of the American College of Forensic Examiners, and a buprenorphine-certified physician with the Substance Abuse and Mental Health Services Administration. Additionally, I have served as a member of the oral and written psychiatric certification examination committees for the American Academy of Physician Specialists, and am a member of the Osteopathic Physicians and Surgeons of California. I have authored numerous mental health articles in local and national periodicals, such as: Central California Life Magazine and the American Journal of Clinical Medicine. Teaching medical students is a very rewarding (and frequent) part of my life. I spent 2.5 years contributing weekly on the local NBC affiliate, was featured on In Focus Television segment hosted by Martin Sheen, and spent several years as Dr. Brad of Radio Psyched www.radiopsyched.com. 

Karen Maroot

Chief Executive Officer


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Karen Maroot brings a long and diverse history of community outreach experience to her role as the CEO of Esano Corporation. Her passion for helping those in need has found a place in Esano within the under-served field of mental healthcare and substance abuse treatment. Karen is the Certified TMS (Transcranial Magnetic Stimulation) Administrator for Esano Corporation.

Her previous work includes extensive marketing, international business development, and communications experience. She served in international sales and marketing at Duncan Enterprises for fourteen years, served as the Events Manager for the largest Alzheimer's Association Chapter in the nation, and was the Executive Director for Tree Fresno. In her capacity as the Executive Director for Tree Fresno, she developed grants with the Fresno County Office of Education for a special educational center serving at-risk youth and children with special needs- among other achievements.

She served on the advisory board of PATH (Performing Above the High), an initiative by the California Health Collaborative geared toward educating youth about marijuana use.

Karen graduated from California State University, Fresno earning a B.S. in Business Administration with an emphasis in International Business and a Minor in Spanish. After completing her degree, Karen spent a significant time abroad where she honed her fluent Spanish skills and learned conversational Farsi. Karen also spent many years as an on-air personality for Radio Romantico & KVPR. She also co-hosted a weekly program with Dr. Wajda on Power Talk Radio, a live call in program that addressed the Mental Health issues facing our community.

Marianna Aguilar

Executive Assistant


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Marianna is an Executive Assistant with extensive experience in the mental health field. Marianna has experience with both administrative and clinical duties, which allows her to tailor her skills to meet the needs of our patients. Marianna graduated from California State University, Fresno and earned a Bachelor of Arts degree in Psychology with a minor in Criminology. In addition to her duties as an Executive Assistant, Marianna is currently pursuing her Master of Arts degree with an emphasis in Marriage and Family Therapy.

Melissa Rios
Medical Assistant


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Melissa is a Certified Medical Assistant with a true passion for helping people in the mental health field. She specializes in various testing procedures (lab work, pharmacogenomic, neurotransmitter profiling) and insurance coverage, including prior authorizations. She is very attentive to the needs of our patients and is also very detail oriented. Melissa has experience in both administrative and clinical duties. Melissa graduated with honors from UEI, earning her Medical Assistant certificate. Prior to her entering the medical field, she obtained her teaching credential through the Fresno County Office of Education.