Our Team

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Farnum Leadership

Annette Escalante

Annette Escalante, MSW, MLADC

Sr. Vice President of Substance Use Treatment Services

Annette Escalante is the Sr. Vice President of Substance Use Treatment Services at Farnum Center.  Before joining Farnum, she worked for the New Hampshire Department of Health & Human Services as the Director of the Bureau of Drug & Alcohol Services. She was previously the vice president of the Greater Nashua Council on Alcoholism, Keystone Hall for 12 years, overseeing all aspects of clinical programming, administration and personnel. She holds a master of social work degree, which she earned at the University of New Hampshire and is a master licensed alcohol and drug counselor. She also held the position of Administrator of Women Offenders and Family Services for the New Hampshire Department of Corrections. She is an adjunct professor at the University of New Hampshire and Granite State College.  She is past president of the New Hampshire Providers Association. She was a previous member of the New Hampshire Board of Licensing for Alcohol and Other Drug Use Professionals. She has over 27 years of experience and has worked with substance use disorders, trauma, youth services, corrections, domestic violence and sexual assault.

Powen Hsu, MD

Medical Director

Dr. Powen Hsu is the Medical Director for Farnum Center. He is certified in Physical Medicine & Rehabilitation through the American Board of Physical Medicine Rehabilitation. He also holds certification in Addiction Medicine through the American Board of Preventive Medicine.

He is a graduate of Tufts University School of Medicine, having served his residency at Sinai Hospital and Johns Hopkins University Hospital. Dr. Hsu founded his private practice New Era Medicine in 1999, and his experience includes Medical Director roles at a number of facilities over the years.

Dr. Hsu was recognized by New Hampshire Magazine as “Top Doctor” in 2009, 2015, and 2016.

Charlotte E. Trenholm, LICSW, MLADC

Vice President of Clinical Services

Charlotte is a clinical social worker with over 20 years of experience working with clients within residential, psychiatric, inpatient and outpatient settings. Her clinical service over the years has focused on providing care to high-risk youth and families and the treatment of individuals with dual diagnosis.

Before joining Farnum, she worked for the Greater Nashua Council on Alcoholism, Inc., Keystone Hall as the Director of the Intake Services; she oversaw admissions within their residential High Intensity, Low Intensity, and the Cynthia Day Family Center substance use treatment programs. In addition, she has served in the role of Clinical Supervisor for the Community Alcohol Information Program conducting clinical supervision and consultations with staff and the care management team. She has also held the position of Assistant Director for the Webster House, a residential treatment program for youth in New Hampshire.

Charlotte earned her Bachelor’s degree in Psychology and a Master’s degree in Social Work from the University of New Hampshire. She is dual licensed in the State of New Hampshire with her LICSW and MLADC.

Dennis Theriault, MBA

Vice President of Operations

Dennis Theriault is the Vice President of Operations for Farnum. Before joining Farnum, Dennis worked in a variety of administrative and leadership roles in the behavioral health field for over 20 years. During that time he served in various inpatient, residential and outpatient treatment settings, working with adolescents, adults, correctional populations, inpatient psychiatric populations, and those receiving medication-assisted treatment.

Dennis has significant experience with quality improvement and performance measurement systems, corporate compliance, and all aspects of overseeing business operations of substance use treatment facilities. Dennis also served as an accreditation surveyor for the Commission on the Accreditation for Rehabilitation Facilities (CARF) for over 10 years and provided consultative services to behavioral health service providers in a wide variety of areas.

Alexandra Hamel

Vice President of Residential Clinical Services

Alexandra is Vice President of Residential Clinical Services at Farnum Center. Alexandra has over 20 years of experience working in the substance use treatment field primarily in residential settings. She previously worked for Greater Nashua Council on Alcoholism – Keystone Hall as Director of Programs and Clinical Services. She worked in all aspects of residential and outpatient treatment services, including the Cynthia Day Family Center and contracted corrections programs.

Alexandra received her Master’s Degree in Counseling Psychology from Antioch University New England and is a Master Licensed Alcohol and Drug Counselor (MLADC).

Alexandra has been an adjunct professor at NHTI – Concord’s Community College in the Addictions Studies program since 2013. She is currently a member of the New Hampshire Board of Licensing for Alcohol and Other Drug Use Professionals and is a Past President of the New Hampshire Alcohol & Drug Abuse Counselors Association (NHADACA). 

 

If you are interested in joining the Farnum team you can learn more here.