Our ECHO Team

Find Addiction Medicine experts who are leading discussions about opioid use and abuse.

gavin bart, mdGavin Bart, MD, PhD
Hennepin Healthcare Addiction Medicine Physician
Project ECHO Lead

Dr. Gavin Bart is Director of the Division of Addiction Medicine at Hennepin County Medical Center and Associate Professor of Medicine at the University of Minnesota. He received his MD from the University of Minnesota and trained in internal medicine at the Hennepin County Medical Center. His PhD is in experimental and clinical pharmacology, also from the University of Minnesota. He trained in addiction medicine at The Rockefeller University where he continued as Director of Clinical Research until moving to Minnesota. His areas of expertise include clinical pharmacology and the pharmacological management of opioid dependence. His current research areas include the population pharmacokinetics of methadone, genetic influences of methadone pharmacology and treatment outcome, and he is co-PI of the newly funded NorthStar Node of the NIDA Clinical Trials Network and provides ongoing international technical assistance to the PEPFAR/Substance Abuse and Mental Health Services Administration’s capacity building efforts in Vietnam.

brian grahan, mdBrian Grahan, MD, PhD
Hennepin Healthcare Addiction Medicine Physician
Project ECHO Co-Lead

Dr. Grahan’s clinical practice focuses on the care of people with substance use disorders as well as the social, medical, and psychiatric conditions that often occur together. His PhD work focused on the behavioral economics and outcome measurement issues related to substance use in adolescents and young adults. After spending a year learning advanced quality improvement and performance measurement techniques, he’s excited to join the faculty at HCMC to combine these efforts to improve the care for people who live in the Twin Cities community.

To request a speaking engagement or case consultation with Dr. Grahan, please contact Roxanne Kibben, Project ECHO Coordinator.

cameron weaver project echoCameron Weaver, PhD, LP
Project ECHO Psychologist

Dr. Weaver is an integrated behavioral health provider, specializing in brief assessment and psychological interventions for mental, physical, and chemical health conditions. He completed a Ph.D. in clinical psychology at Oklahoma State University in Stillwater, OK and an NIH/NIAAA postdoctoral fellowship in addictions research at the University of Missouri in Columbia, MO. At Hennepin County Medical Center, he treats health conditions with empirically supported treatments such as behavioral activation, exposure therapy, cognitive restructuring, and harm reduction/relapse prevention. His research interests are in risk and protective factors alcohol misuse and brief motivational interventions for alcohol misuse.

nathan erickson with child echoNathan Erickson, LADC
Project ECHO Alcohol Drug Counselor

Nate has been a drug counselor for 9+ years. Having worked at St Joe's inpatient cd program, Maghakian for People Incorporated, and currently Hennepin Health he enjoys existential themes and motivational interviewing. He is also working with the Hennepin Co drug court and trying to increase access to medication-assisted treatment for people in jail.

roxanne kibben, ma, ladcRoxanne Kibben, MA, LADC
Project ECHO Coordinator

Ms. Kibben is a licensed alcohol drug counselor with over 30 years of experience in the substance use treatment field as an educator, practitioner, administrator and change leader. Her implementation and learning technology interests make her a perfect fit for Project ECHO. She is a Senior Fulbright Scholar, past president of NAADAC, the Association for Addiction Professionals and actively engaged in advancing the national workforce efforts for those serving people with addictions. Her B.A. is in counseling and her M.A. is in organizational management.


Learn more about who, what, when, why and how ECHO works.


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Our ECHO Team

Meet our team members and learn about the three ECHO hubs in MN.


Roxanne Kibben, MA, LADC

Hennepin Integrated Opioid and Addiction Care ECHO
Project Coordinator
[email protected]

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