Lead Mentors

  • Adam Bisaga, MD

    Adam Bisaga, MD

    LocationsNew York

    SpecialtiesAddiction Psychiatry

    • Medical School: Jagiellonian University Medical College, Krakow, Poland
    • Residency: North Shore University Hospital, Manhasset, NY
    • Fellowship: Addiction Psychiatry, Columbia University/NYS Psychiatric Institute
    • Board Certification: ABPN: Psychiatry, Addiction Psychiatry
    • Academic Affiliations: Columbia University
    • Current Clinical Position: Professor of Psychiatry, Columbia University Medical Center
    • Clinical Research Interests: Pharmacotherapy of Substance Use Disorders
    • Organization Affiliations: AAAP (American Academy of Addiction Psychiatry)

    Dr. Adam Bisaga is an academic psychiatrist, educator and clinician. He is a Professor of Psychiatry at the Columbia University Medical Center, and a Research Scientist at the New York State Psychiatric Institute. Dr. Bisaga completed the addiction psychiatry fellowship at the NYS Psychiatric Institute/Columbia University and is now a Co-Director of the fellowship. He was a recipient of a Career Development Award and a Principal Investigator on grants funded by the National Institute of Dug Abuse.

    His research interests include development of human laboratory and clinical trial models for testing medications to treat substance use disorders, including trials to improve effectiveness of antagonist-based treatment of opioid use disorder. Dr. Bisaga publishes and lectures in the area of addiction research and he is a member of the editorial board of the journal Addiction. Dr. Bisaga has been actively involved in teaching medical students and practitioners. He has been working with UN Office of Drug Control on the development of substance abuse treatment guidelines and conducted trainings for addiction practitioners internationally. In addition to the research and teaching work at the University, Dr. Bisaga also maintains a private practice in general and addiction psychiatry.

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  • Richard Bottner, DHA, PA-C

    Richard Bottner, DHA, PA-C


    SpecialtiesHospital Medicine

    • Board Certification: Certificate of Added Qualification in Hospital Medicine from the National Commission on the Certification of PAs
    • Current Clinical Position: Director of Quality Improvement and Patient Safety at the Colorado Hospital Association
    • Clinical Research Interests: addiction medicine, hospital medicine, and palliative care
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  • Anthony Dekker, DO, FACOFP, FAOAAM, DFASAM

    Anthony Dekker, DO, FACOFP, FAOAAM, DFASAM


    SpecialtiesAddiction Medicine

    • Medical School: Michigan State University, College of Osteopathic Medicine
    • Residency: Chicago College of Osteopathic Medicine
    • Fellowship: Adolescent and Young Adult Medicine, Rush Presbyterian St. Luke’s Medical Center
    • Board Certification: Family and Osteopathic Medicine, Adolescent and Young Adult Medicine, Addiction Medicine, Geriatrics, Sports Medicine
    • Current Clinical Position: Primary Care and Telemedicine Provider, Northern Arizona Veteran's Administration Healthcare System
    • Clinical Research Interests: Pain and Addiction, TBI, PTSD, Adolescent and Young Adult Addictions
    • Organization Affiliations: AOAAM (American Osteopathic Academy of Addiction Medicine)

    Dr. Anthony Dekker is the Primary Care and Telemedicine Physician for the Northern Arizona Veteran’s Administration Healthcare System.  Dr Dekker is an expert in substance dependence and co-occurring disorders.  After serving the Indian Health Service for over twelve years in Arizona he is honored to be a member of the Joint Task Force Medical Team that specializes in the care of Wounded Warriors.  Previously he was the Acting Director of the Office of Health Programs at the Phoenix Area Office supervising 15 health departments in Nevada, Utah and Arizona. He was also the Associate Director of the Phoenix Indian Medical Center and the Director, Ambulatory Care and Community Health.  He served as the Director of Medical Education for the Phoenix Indian Medical Center.

    Dr. Dekker is board certified in Family Practice and Osteopathic Manipulative Treatment, Adolescent and Young Adult Medicine, and Addiction Medicine.  He is a Fellow in numerous professional societies.  As a member of the healthcare team at the Fort Belvoir Community Hospital he is dedicated to the Mission of providing the highest quality care to active duty military and their dependents.  His areas of expertise include addiction medicine, chronic pain syndromes, infomatics, high risk youth, domestic violence and behavioral health.   He has been the Chief Clinical Consultant in Addiction Medicine and Chronic Pain for the Indian Health Service, US Public Health Service and has served on several national panels addressing substance abuse in America.  He serves on the American Hospital Association Board on Psychiatric and Substance Abuse Issues.  Current faculty appointment includes a clinical professorship at George Washington University and Andrew Taylor Still University.

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  • Erik W. Gunderson, MD, DFASAM

    Erik W. Gunderson, MD, DFASAM


    SpecialtiesAddiction Medicine, Internal Medicine

    • Medical School: Mount Sinai School of Medicine, New York
    • Residency: Mount Sinai School of Medicine, New York
    • Fellowship: Columbia University College of Physicians and Surgeons and NYS Psychiatric Institute
    • Board Certification: ABAM
    • Academic Affiliations: Associate Professor, Department of Psychiatry and Neurobehavioral Sciences and Department of Medicine, University of Virginia,
    • Current Clinical Position: Director, Center for Wellness and Change, Charlottesville, VA
    • Clinical Research Interests: Office-based buprenorphine treatment effectiveness, buprenorphine induction, designer drugs, medical education
    • Organization Affiliations: AMERSA (Association for Medical Education and Research in Substance Abuse)

    Dr. Gunderson is an Associate Professor in the Department of Psychiatry & Neurobehavioral Sciences and Department of Medicine at the University of Virginia (UVA), as well as an Adjunct Associate Research Scientist in the Division on Substance Abuse, Department of Psychiatry, of Columbia University College of Physicians and Surgeons. He is the Director and Founder of the Center for Wellness and Change in Charlottesville, VA.

    After completing medical school and internal medicine residency at Mount Sinai School of Medicine in New York City, he entered an Addiction Psychiatry Fellowship at Columbia University.  He is Board Certified in Internal Medicine and Addiction Medicine.  In the mid-2000s he taught APA- and ASAM-sponsored buprenorphine courses. He was a national buprenorphine physician mentor through the Physician Clinical Support System (PCSS-B) and is an ASAM Fellow. Between 2003-2008, he was Medical Director of Columbia University’s Buprenorphine Program, an outpatient opioid use disorder treatment program.  He has received federal funding from the National Institute on Drug Abuse to study the effectiveness of buprenorphine treatment of opioid use disorder in primary care, as well U. S. Department of Health and Human Services funding from the Center for Substance Abuse Treatment to develop substance use curricula for physicians.

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    LocationsNew Jersey, Pennsylvania

    SpecialtiesChild/Adolescent & Adult Psychiatric & Addictions Nursing, Master Clinician in Psychopharmacology

    • Medical School: Duke University (BS), University of Pennsylvania (BSN & MSN), Drexel University (DrNP)
    • Board Certification: Child/Adolescent Psychiatric Clinical Nurse Specialist — American Nurses Credentialing Center (ANCC), Adult Psychiatric Clinical Nurses Specialist (ANCC), Lifespan Psychiatric Nurse Practitioner (ANCC), Certified Addictions Registered Nurse-Advanced Practice — Addictions Nursing Certification Board (ANCB)
    • Academic Affiliations: Advanced Senior Lecturer, University of Pennsylvania-School of Nursing Interdisciplinary MAT Training Consultant, Seton Hall University Associate Clinical Faculty Post-Doctoral Psychopharmacology Program, Farleigh Dickinson University
    • Current Clinical Position: APNSolutions, LLC Private Practice in Sewell, New Jersey
    • Clinical Research Interests: Holistic Care for Individuals & Families Suffering with Psychiatric and Substance Use Disorders, Psychopharmacology including Medication Assisted Withdrawal & Treatment Use of Pharmacogenetics in Clinical Practice Women’s Mental Health Across the Lifespan: PMS, PMDD, Pregnancy & Perimenopause
    • Organization Affiliations: Co-Chair, Addictions Council, American Psychiatric Nurses Association (APNA) Fellow in the American Academy of Nursing (FAAN) Fellow in the American Association of Nurse Practitioners (FAANP)

    Dr. Laura Leahy is a Board Certified Psychiatric & Addictions Advanced Practice Nurse and Master Clinician in Psychopharmacology. She founded APN Solutions, LLC, her private practice in Sewell, NJ. As a clinician-educator, with over 30 years experience in treating psychiatric and substance use disorders, Dr. Leahy has served as Psychiatric NP program director and taught psychopharmacology at leading universities. She authored two psychopharmacology clinical texts, numerous book chapters and peer-reviewed journal articles, and has been an invited speaker at countless conferences across the nation. She has received multiple awards for her innovation & excellence in clinical practice as well as the precepting of students. Dr. Leahy is the current Co-Chair of the Addictions Council of the American Psychiatric Nurses Association (APNA). She has briefed Congress on nursing’s role in combatting the opioid epidemic influencing the passage of the SUPPORT Act (2018) and has served as expert consultant to Seton Hall University in writing the training curriculum needed to obtain a DATA 2000 Waiver for physicians, advanced practice nurses and physician assistants. Dr. Leahy has testified before both branches of the NJ legislature to advocate for full practice authority and access to substance use treatment. She is an active member of & holds many board appointments within state & national professional organizations. She is a tireless advocate for nursing full practice authority, responsible prescribing in nursing & nursing efforts to combat the opioid epidemic. Dr. Leahy is an honors graduate of Duke University, the University of Pennsylvania and Drexel University and has been awarded Fellowship in the American Academy of Nursing and the American Association of Nurse Practitioners. / Locations: New Jersey – Greater Philadelphia Area

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  • Edwin Salsitz, MD, DFASAM

    Edwin Salsitz, MD, DFASAM

    LocationsNew York

    SpecialtiesAddiction Medicine, Internal Medicine

    • Medical School: State University of New York, Buffalo School of Medicine
    • Residency: Beth Israel Medical Center, Internal Medicine
    • Fellowship: Beth Israel Medical Center, Pulmonary Diseases
    • Board Certification: Internal Medicine, Pulmonary Disease, Addiction Medicine
    • Academic Affiliations: Mount Sinai Icahn School of Medicine
    • Current Clinical Position: Medical Director Office-based Opioid Therapy, Mount Sinai Beth Israel
    • Clinical Research Interests: Opioid Agonist Therapy, Neurobiology of Addiction, Tobacco Addiction
    • Organization Affiliations: ASAM (American Society of Addiction Medicine)

    Dr. Edwin A. Salsitz has been an attending physician in the Beth Israel Medical Center, Division of Chemical Dependency, since 1983, and is an Assistant Professor of Medicine at the Albert Einstein College of Medicine. He is the principal investigator of the Methadone Medical Maintenance (office-based methadone maintenance) research project. Dr. Salsitz is certified by the American Board of Addiction Medicine (ABAM), as well as by the Board of Internal Medicine and Pulmonary Disease. He has published and lectures frequently on addiction medicine topics.

    Dr. Salsitz is a course director for ASAM sponsored buprenorphine trainings, and is a mentor in the PCSS mentoring program, both for buprenorphine and opioids. He is a co-chair of the ASAM Review Course, the ASAM Common Threads Course, the ASAM State of the Art course and a reviewer for the Journal of Addiction Medicine, and Pain Medicine. Dr. Salsitz is the Co-chair of the ASAM CME committee and Chair of the New York Society of Addiction Medicine CME and Education committee. Dr. Salsitz is a member of the medical advisory panel, for the New York State Office of Alcohol and Substance Abuse Services.

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  • Andrew J. Saxon, MD, FASAM

    Andrew J. Saxon, MD, FASAM



    • Medical School: Tufts University School of Medicine
    • Residency: University of Washington
    • Fellowship: N/A
    • Board Certification: Psychiatry, Addiction Psychiatry
    • Academic Affiliations: Department of Psychiatry & Behavioral Sciences, University of Washington
    • Current Clinical Position: Director, Center of Excellence in Substance Abuse Treatment and Education, VA Puget Sound Health Care System
    • Clinical Research Interests: current research work is supported by the VA, the Department of Defense, and the National Institute on Drug Abuse and involves pharmacotherapies and psychotherapies for alcohol, cocaine, tobacco, and opioid use disorders as well work in co-occurrence of substance use disorders and posttraumatic stress disorder and on reducing homelessness.
    • Organization Affiliations: APA (American Psychiatric Association)

    Dr. Andrew J. Saxon is a Professor in the Department of Psychiatry and Behavioral Sciences at the University of Washington. Dr. Saxon is also the Director of the Center of Excellence in Substance Abuse Treatment and Education at the VA Puget Sound Health Care System, as well as the Director of the Addiction Psychiatry Residency Program at the University of Washington. Preceding his entry into psychiatry, Dr. Saxon completed an internal medicine internship and worked for 4 years as an emergency room physician.  Subsequent to his general psychiatry residency at the University of Washington, Dr. Saxon has more than a quarter century of experience as a clinical and research addiction psychiatrist.  Dr. Saxon is board certified with added qualifications in addiction psychiatry by the American Board of Psychiatry and Neurology.

    Dr. Saxon sits on the editorial boards of the journals, Drug and Alcohol Dependence and General Hospital Psychiatry. Dr. Saxon’s current research work is supported by the VA, the Department of Defense, the  National Institute on Drug Abuse, and National Institute on Alcohol Abuse and Alcoholism, and involves pharmacotherapies and psychotherapies for alcohol, cocaine, nicotine, and opioid use disorder as well work in co-occurrence of substance dependence and posttraumatic stress disorder and on reducing homelessness.

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