Jared is a co-founder of Pioneer and serves as Executive Director. He is a licensed alcohol and drug counselor and brings 8 years of addictions and mental health counseling experience to the Pioneer team, having worked across all levels of care — outpatient, intensive outpatient and residential inpatient. Jared’s passion is connecting with clients who have become isolated because of their disease and helping them rediscover their purpose, meaning, and the connections in their lives. As a person in long term recovery he leverages his lived experience to benefit others. Jared works tirelessly to empower clients to move beyond their struggles to reconnect with themselves and family and to discover that they are worthy of recovery—their struggle does not define them. Jared is honored to work with the clinical team at Pioneer, all of whom are committed to supporting clients on their recovery journey.

“You can’t go back and change the beginning but you can start where you are and change the ending.” -C.S Lewis

Stephanie has been in long-term recovery from substance use disorder (SUD) since Oct 2013, a journey that profoundly shaped her passion for helping others reclaim their lives. With over a decade of experience in the field, Stephanie has dedicated her career to guiding individuals through the recovery process, empowering them to heal, rebuild and find purpose after the devastating effects of addiction. She finds immense fulfillment in witnessing the resilience and transformation of those she serves, viewing her work as a truly meaningful and rewarding calling. Over the years, Stephanie has gained diverse experience in counseling and leadership roles across multiple treatment settings, including CSS, TSS, residential programs, and medication-assisted treatment programs. Her extensive background has equipped her with a deep understanding of addiction, mental health, and trauma as well as the tools necessary to support clients in their unique recovery journeys. She is honored to work alongside a team of compassionate professionals, each dedicated to helping our clients rediscover their worth, reconnect with their families, and realize that recovery is possible.

“The strength it takes to rebuild your life after addiction and mental health challenges is extraordinary. I am privileged to walk alongside others as they discover their own resilience, process trauma and create a new, meaningful future.”

Mary Tessier is a dedicated and compassionate therapist who brings both clinical knowledge and authentic human connection to her work. She holds a B.A. in Psychology from the University of Massachusetts Amherst and is currently pursuing her M.S. in Clinical Mental Health Counseling at Bay Path University. With years of experience in the mental health field—including inpatient care, emergency crisis response, and psychiatric team support—Mary draws from a deep well of both professional expertise and personal insight.

Having navigated her own experiences with depression and anxiety, Mary approaches therapy with empathy, humility, and a genuine appreciation for the complexity of the human experience. She primarily utilizes CBT-based models while also integrating psychodynamic perspectives, holistic practices, and kindness at the core of her work. Her goal is to help clients feel seen, supported, and empowered as they move through their healing journey.

Mary finds true fulfillment in creating meaningful therapeutic relationships and guiding individuals as they rediscover their strength. Outside of work, she enjoys baking, crafting, reading, and spending time with loved ones.

“I hope you live a life you’re proud of. If you find that you are not, I hope you have the strength to start all over again” – F. Scott Fitzgerald

Keith Stanley, LICSW, is the Clinical Director at Pioneer Behavioral Health, where he leads with a deep commitment to supporting individuals facing mental health challenges and substance use disorders. He holds a Master of Social Work (MSW) from Salem State University and brings over a decade of experience in the behavioral health field.

Keith’s professional background includes extensive work in both individual and family counseling, where he developed a strong clinical foundation and a person-centered approach. He is passionate about helping clients recover, grow, and regain a sense of purpose. His leadership is grounded in the use of evidence-based treatment models, which he integrates into programming to enhance outcomes and promote long-term wellness.
Dedicated, compassionate, and results-driven, Keith continues to advocate for comprehensive, effective care that meets clients where they are and empowers them to move forward.

“Recovery is not one giant leap, but a series of small, hopeful steps.” 

Alicia Dunning is very passionate about helping people with substance use disorders and mental health issues. Alicia has been in the field for years, and is currently in her Masters in Clinical Mental Health Counseling, as well as in route to obtaining her license in alcohol & drug counseling (LADC). As someone who has extensive experience in the addiction field and has personally lost her father to addiction, Alicia is dedicated to helping others who are struggling and in need of support on their recovery journey. Alicia makes it a goal to assist others in finding the root of their addiction and mental health issues, and help them strive towards obtaining a more freeing lifestyle.

“Addiction is giving up everything for one thing, Recovery is giving up one thing for everything”

Kaiti Los is deeply committed to assisting those affected by substance use disorders (SUD) and mental health issues. With personal experiences of substance abuse disorder and chronic depression, and having witnessed its impact on close family members, Kaiti dedicated herself to the path of recovery. This journey included various treatment settings, especially following the tragic loss of her father to the disease. Despite being labeled a chronic relapser, Kaiti maintained hope and has achieved long-term recovery since July 2021. Kaiti incorporates yoga, meditation, and other evidence-based practices into her daily routine to support her ongoing recovery. With two years of professional experience in the field and 15 years of personal recovery experience, Kaiti leverages her sensitivity and openness about her journey to help others overcome the isolation that often accompanies substance abuse disorder and depression.

She lives by the words of Johann Hari: “The opposite of addiction is connection.”