Diane Fontneau, MS, LADC has worked in the substance use disorders profession, and in a variety of treatment settings, for over 25 years. She currently manages the outpatient substance use disorder treatment program at Seacoast Mental Health Center, with offices in Portsmouth and Exeter, N.H. Ms. Fontneau holds a MS degree in Human Services-Organizational Leadership, and a MS degree in Clinical Mental Health Counseling.


Diane is an active member of the Seacoast Public Health Network and the IDN Region 6 (Connections for Health) subcommittee addressing local gaps and needs of services. Diane was a founding member of the Rochester Bridging the Gaps Coalition.


Ms. Fontneau has served on the board of NHADACA since 2017, and strongly believes in NHADACA’s mission and the importance of participation and recruitment for those working in this specialized profession.



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