{"id":17293,"date":"2025-04-03T13:16:38","date_gmt":"2025-04-03T17:16:38","guid":{"rendered":"https:\/\/www.med.unc.edu\/psych\/?page_id=17293"},"modified":"2026-03-25T11:53:21","modified_gmt":"2026-03-25T15:53:21","slug":"core-faculty","status":"publish","type":"page","link":"https:\/\/www.med.unc.edu\/psych\/education\/fellowships\/addiction-medicine-fellowship\/core-faculty\/","title":{"rendered":"Core Faculty"},"content":{"rendered":"<h4><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-17178 alignright\" src=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2024\/08\/Joseph-Williams-212x300.jpg\" alt=\"\" width=\"212\" height=\"300\" srcset=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2024\/08\/Joseph-Williams-212x300.jpg 212w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2024\/08\/Joseph-Williams-725x1024.jpg 725w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2024\/08\/Joseph-Williams-768x1084.jpg 768w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2024\/08\/Joseph-Williams-1088x1536.jpg 1088w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2024\/08\/Joseph-Williams-1450x2048.jpg 1450w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2024\/08\/Joseph-Williams-600x847.jpg 600w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2024\/08\/Joseph-Williams-scaled.jpg 1813w\" sizes=\"auto, (max-width: 212px) 100vw, 212px\" \/><a href=\"https:\/\/www.med.unc.edu\/psych\/people\/joseph-williams-md\/\">Joseph Williams, MD, FASAM<\/a><\/strong><\/h4>\n<p>Associate Professor, UNC Department of Psychiatry<\/p>\n<p><strong>Clinical Interests:<\/strong> inpatient addiction medicine, forensic behavioral health, academic addiction medicine, carceral psychiatry<\/p>\n<p><strong>Board Certifications:<\/strong> Addiction Medicine, Psychiatry, Forensic Psychiatry<\/p>\n<p><strong>Chief Responsibilities:<\/strong><\/p>\n<ul>\n<li>Director, Addiction Medicine Program<\/li>\n<li>Program Director, Addiction Medicine Fellowship<\/li>\n<li>Physician, Addiction Medicine Consult Service, STAR Clinic, ATLAS Mobile Clinic<\/li>\n<li>Seminar Supervisor<\/li>\n<\/ul>\n<hr \/>\n<h4><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-17300 alignright\" src=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/lucien-gonzalez-md-chapel-hill-nc-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/lucien-gonzalez-md-chapel-hill-nc-300x300.jpg 300w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/lucien-gonzalez-md-chapel-hill-nc-150x150.jpg 150w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/lucien-gonzalez-md-chapel-hill-nc-400x400.jpg 400w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/lucien-gonzalez-md-chapel-hill-nc.jpg 490w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><a href=\"https:\/\/www.med.unc.edu\/psych\/people\/lucien-gonzalez-md-ms-faap\/\">Lucien Gonzalez, MD, MS, FAAP<\/a><\/strong><\/h4>\n<p>Associate Professor, UNC Department of Psychiatry<\/p>\n<p><strong>Clinical Interests:<\/strong> Non-pharmacological approaches to youth substance use and co-occurring behavioral health concerns, community-based interventions for youth substance use<\/p>\n<p><strong>Board Certifications:<\/strong> Addiction Medicine, Pediatrics<\/p>\n<p><strong>Chief Responsibilities:<\/strong><\/p>\n<ul>\n<li>Associate Program Director for Clinical Affairs, UNC Addiction Medicine Fellowship<\/li>\n<li>Medical Director, STAR Clinic<\/li>\n<li>Physician, Addiction Medicine Consult Service, STAR Clinic<\/li>\n<li>Seminar Supervisor<\/li>\n<\/ul>\n<hr \/>\n<h4><strong><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-17625 size-medium alignright\" src=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/06\/Sonali-Saha-214x300.jpg\" alt=\"\" width=\"214\" height=\"300\" srcset=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/06\/Sonali-Saha-214x300.jpg 214w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/06\/Sonali-Saha-600x840.jpg 600w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/06\/Sonali-Saha.jpg 727w\" sizes=\"auto, (max-width: 214px) 100vw, 214px\" \/><a href=\"https:\/\/www.med.unc.edu\/psych\/people\/shonali-saha-md\/\">Shonali Saha, MD, FASAM<\/a><\/strong><\/h4>\n<p>Assistant Professor, UNC Department of Psychiatry<\/p>\n<p><strong>Clinical Interests:<\/strong> Improving criminal legal system responses to substance use disorders, liberation psychology, mindfulness and other contemplative practices for the treatment of substance use disorders, harm reduction, psychedelic-assisted therapy<\/p>\n<p><strong>Board Certifications:<\/strong> Addiction Medicine, Internal Medicine<\/p>\n<p><strong>Chief Responsibilities:<\/strong><\/p>\n<ul>\n<li>Associate Program Director for Educational Affairs, UNC Addiction Medicine Fellowship<\/li>\n<li>Supervisor, Psychiatry Residency Addiction Medicine Seminar Series<\/li>\n<li>Physician, Addiction Medicine Consult Service, STAR Clinic, ATLAS Mobile Clinic<\/li>\n<li>Seminar Supervisor<\/li>\n<\/ul>\n<hr \/>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-17295 alignright\" src=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Roy-Stein-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Roy-Stein-300x200.jpg 300w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Roy-Stein-1024x683.jpg 1024w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Roy-Stein-768x512.jpg 768w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Roy-Stein-1536x1024.jpg 1536w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Roy-Stein-600x400.jpg 600w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Roy-Stein.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<h4><a href=\"https:\/\/www.med.unc.edu\/psych\/people\/roy-stein-md\/\"><strong>Roy Stein, MD<\/strong><\/a><\/h4>\n<p>Professor, UNC Department of Psychiatry<\/p>\n<p><strong>Clinical Interests:<\/strong> Motivational interviewing, treatment of co-occurring psychiatric and substance use disorders, integration of psychotherapy and pharmacotherapy in addiction treatment<\/p>\n<p><strong>Board Certifications:<\/strong> Addiction Psychiatry, Psychiatry<\/p>\n<p><strong>Chief Responsibilities:<\/strong><\/p>\n<ul>\n<li>Physician, STAR Clinic<\/li>\n<li>Seminar Supervisor<\/li>\n<\/ul>\n<hr \/>\n<h4><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-17302 alignright\" src=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Jennifer-Kemper-240x300.jpg\" alt=\"\" width=\"240\" height=\"300\" srcset=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Jennifer-Kemper-240x300.jpg 240w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Jennifer-Kemper.jpg 600w\" sizes=\"auto, (max-width: 240px) 100vw, 240px\" \/><a href=\"https:\/\/www.med.unc.edu\/psych\/people\/jennifer-kemper-md\/\">Jennifer Kemper, MD<\/a><\/strong><\/h4>\n<p>Assistant Professor, UNC Department of Psychiatry<\/p>\n<p><strong>Clinical Interests:<\/strong> health care equity, psychosis and substance use disorders, first episode psychosis, physician learner education<\/p>\n<p><strong>Board Certifications:<\/strong> Addiction Medicine, Psychiatry, Forensic Psychiatry<\/p>\n<p><strong>Chief Responsibilities:<\/strong><\/p>\n<ul>\n<li>Physician, STAR Clinic<\/li>\n<li>Medical Director, Wake Encompass<\/li>\n<\/ul>\n<h4><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-17305 alignright\" src=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Screenshot-2025-04-04-093726-200x300.png\" alt=\"\" width=\"200\" height=\"300\" srcset=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Screenshot-2025-04-04-093726-200x300.png 200w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Screenshot-2025-04-04-093726.png 233w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/strong><\/h4>\n<hr \/>\n<h4><strong style=\"color: inherit\">Irina Phillips, MD<\/strong><\/h4>\n<p>Assistant Professor, UNC Department of Anesthesiology<\/p>\n<p><strong>Clinical Interests:<\/strong> intersection of pain and substance use disorder<\/p>\n<p><strong>Board Certifications:<\/strong> Addiction Medicine, Anesthesiology, Pain Medicine<\/p>\n<p><strong>Chief Responsibilities:<\/strong><\/p>\n<ul>\n<li>Physician, Addiction Medicine Consult Service, STAR Clinic<\/li>\n<li>Rotation Supervisor, Pain Consult Service Rotation<\/li>\n<\/ul>\n<hr \/>\n<h4><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-17304 alignright\" src=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Screenshot-2025-04-04-093801-205x300.png\" alt=\"\" width=\"205\" height=\"300\" srcset=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Screenshot-2025-04-04-093801-205x300.png 205w, https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2025\/04\/Screenshot-2025-04-04-093801.png 293w\" sizes=\"auto, (max-width: 205px) 100vw, 205px\" \/><\/strong><strong style=\"color: inherit\">Maria Gabriela (Gaby) Castro, MD<\/strong><\/h4>\n<p>Associate Professor, UNC Department of Family Medicine<\/p>\n<p><strong>Clinical Interests:<\/strong> substance use disorder treatment, mental health, rural primary care, rural residency training<\/p>\n<p><strong>Board Certifications<\/strong>: Family Medicine<\/p>\n<p><strong>Chief Responsibilities:<\/strong><\/p>\n<ul>\n<li>Physician, STAR Clinic<\/li>\n<li>Research Lead, NC STAR Network<\/li>\n<li>Seminar Supervisor<\/li>\n<\/ul>\n<h4><strong><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11466 alignright\" src=\"https:\/\/www.med.unc.edu\/psych\/wp-content\/uploads\/sites\/839\/2022\/11\/michael-baca.jpg\" alt=\"\" width=\"183\" height=\"275\" \/><\/strong><\/h4>\n<hr \/>\n<h4><strong style=\"color: inherit\">Michael Baca-Atlas, MD, FASAM<\/strong><\/h4>\n<p>Associate Professor, UNC Department of Family Medicine<\/p>\n<p><strong>Clinical Interests<\/strong>: enhanced primary care for serious mental illness, MOUD with long-acting injectables, pregnant and parenting individuals with substance use disorder, trauma informed\/person centered care, motivational interviewing in primary care<\/p>\n<p><strong>Board Certifications:<\/strong> Addiction Medicine, Family Medicine<\/p>\n<p><strong>Chief Responsibilities:<\/strong><\/p>\n<ul>\n<li>Rotation Supervisor, Tobacco Consult Rotation<\/li>\n<li>Medical Director, REACH Enhanced Primary Care<\/li>\n<li>Associate Medical Director, Tobacco Treatment Program<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><strong>Additional Supervising and Affiliated Faculty\/Providers<\/strong><\/h3>\n<p>Sasha Deutsch-Link, MD \u2013 Hepatology<\/p>\n<ul>\n<li>UNC Department of Medicine, Division of Gastroenterology and Hepatology<\/li>\n<\/ul>\n<p>Hersh Shroff, MD, MPA \u2013 Hepatology<\/p>\n<ul>\n<li>UNC Department of Medicine, Division of Gastroenterology and Hepatology<\/li>\n<\/ul>\n<p>Claire West, MD \u2013 NC STAR Network<\/p>\n<ul>\n<li>UNC Department of Medicine, Division of General Medicine and Clinical Epidemiology<\/li>\n<\/ul>\n<p>Andrea Knittel, MD, PhD, FACOG \u2013 Horizons Program<\/p>\n<ul>\n<li>UNC Department of Obstetrics and Gynecology<\/li>\n<\/ul>\n<p>Elisabeth Johnson, PhD, FNP-BC, CARN-AP, LCAS \u2013 Horizons Program<\/p>\n<ul>\n<li>UNC Department of Obstetrics and Gynecology<\/li>\n<\/ul>\n<p>Dominika James, MD \u2013 Pain Medicine<\/p>\n<ul>\n<li>UNC Department of Anesthesiology<\/li>\n<\/ul>\n<p>Letitia Hazel, MD \u2013 SouthLight Healthcare<\/p>\n<p>Ben Powell, PA \u2013 SouthLight Healthcare<\/p>\n<p>Harold Hong, MD \u2013 New Waters Recovery<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Joseph Williams, MD, FASAM Associate Professor, UNC Department of Psychiatry Clinical Interests: inpatient addiction medicine, forensic behavioral health, academic addiction medicine, carceral psychiatry Board Certifications: Addiction Medicine, Psychiatry, Forensic Psychiatry Chief Responsibilities: Director, Addiction Medicine Program Program Director, Addiction Medicine Fellowship Physician, Addiction Medicine Consult Service, STAR Clinic, ATLAS Mobile Clinic Seminar Supervisor Lucien Gonzalez, &hellip; <a href=\"https:\/\/www.med.unc.edu\/psych\/education\/fellowships\/addiction-medicine-fellowship\/core-faculty\/\" aria-label=\"Read more about Core Faculty\">Read more<\/a><\/p>\n","protected":false},"author":103208,"featured_media":0,"parent":2235,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"layout":"","cellInformation":"","apiCallInformation":"","footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-17293","page","type-page","status-publish","hentry","odd"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Core Faculty | Department of Psychiatry<\/title>\n<meta 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