Meet Our Team of Addiction Treatment Specialists

Crossroads employs a team of licensed professionals to ensure safe, healthy, and sustainable recovery practices for all clients who walk through our doors. You will find our addiction treatment specialists in Maine are here for you and your well being.

Executive Staff

Shannon Trainor chief executive officer

Shannon Trainor, LCSW, CCS


Shannon has served as Crossroads’ CEO since 2013. A licensed clinician who has held leadership roles in the behavioral health field for over 15 years, Shannon oversees the administrative and programmatic functions for the entire agency. Shannon has extensive experience working with children, adolescents and adults struggling with mental health and substance use issues and has worked as a clinical director in both outpatient and residential facilities prior to joining Crossroads.

Mary Anne Roy chief clinical officer

Mary Anne Roy, Psy.D., CCS


Dr. Roy is a licensed psychologist and certified clinical supervisor who has expertise in the co-occurring treatment of women with addiction. Her extensive career in the mental health and addiction field has provided her with the experience and knowledge necessary to provide strong leadership and direction throughout Crossroads’ continuum of care. As CCO, Dr. Roy oversees all clinical operations of the organization which includes multiple outpatient and inpatient programs.

Vivian Trott Finance Director

Vivian Trott


Vivian joined the Crossroads finance team in 2012 with a 30-year career working in finance and accounting departments for several Maine non-profits. In her role as finance director, Vivian oversees and manages the operating budget and monthly billing for the entire agency and provides the CEO with strategic recommendations for fiscally strong investments and operations for growth in all clinical programs and services.

Leslie Rawlings chief marketing and development officer

Lesley Rawlings


Lesley oversees all fundraising and admissions for Crossroads and manages a comprehensive and strategic marketing plan that supports the organization’s vision and goals. She brings 25 years of experience as a sales and marketing executive and over 20 years as a fundraising professional. Lesley works with individual donors, corporations and foundations in securing philanthropic support with a focus on funding client programs and services. An avid supporter of access to quality care, Lesley is committed to the mission and clients of Crossroads.

Nicole Federico


For over 19 years, Nicole has provided strategic leadership, employee/labor relations and workforce development expertise in several of her roles as a human resources manager. Nicole comes to Crossroads with a passion for building a workforce that aligns with the mission of the organization and serves to meet the staff and clients in all levels of care. Prior to joining Crossroads, Nicole served as a Senior Resources Manager with the Maine Department of Transportation. Nicole holds a MS in Organizational Leadership and is SHRM certified.

Laura Merten, JD


Since 2020, Laura has served as Crossroads’ Director of Compliance and Risk Management – overseeing all aspects of compliance and risk management to ensure adherence to state and federal licenses, contracts and CARF standards. In 2021, Laura joined the Executive team and successfully brought the organization through yet another 3-year CARF accreditation award. Laura previously spent 7 years at another behavioral health treatment center providing her excellent organizational skills in supporting the organization in companywide enhancements with their clinical record requests and administration. Since 1998, Laura has served in various roles at nonprofits throughout the Northeast in both clinical and management capacities.

Medical Staff

Jonathan Fellers medical director

Jonathan C. Fellers, MD


As a board-certified Addiction Psychiatrist, Dr. Fellers serves as the medical director who works with our clients, their families, and the health care system to promote high-quality evidence-based screening, assessment, and treatment for substance use disorders and co-occurring mental health disorders. Addiction involves both biology and psychology, and Dr. Fellers takes a particular interest in helping disentangle this complexity. Dr. Fellers completed his fellowship at Oregon Health and Science University School of Medicine, Addiction Psychiatry in 2013 and two residencies at the University of California, San Francisco and University of Virginia Health System. A graduate of Cornell Medical College in 2002, Dr. Fellers is affiliated with both Maine Behavioral Healthcare, Spring Harbor Hospital, and Maine Medical Center.

Samara Manges, RN

Programs Nurse

Samara joined the medical and clinical teams in early 2022 to support our clients in residential and outpatient treatment for co-occurring substance use and eating disorders. Samara has trained at Maine Medical Center, St. Mary’s Hospital and served in various clinical and administrative roles in community health centers throughout New England. An advocate for diversity and inclusion, Samara supports all direct care workers in our residential programs with training on medications and vitals to ensure compliance with state regulatory licenses and CARF standards.

Clinical Staff

Sara Andreotta, LCSW, CCS


For over 10 years Sarah has worked as a clinician supporting men and women with co-occurring disorders in both inpatient and outpatient treatment settings. Sarah has extensive experience working with clients struggling with depression, anxiety, chronic relapse, trauma and PTSD. As the outpatient clinical supervisor, Sarah manages and supervises the clinicians in our Greater Portland Counseling Center who run the IOP programs and individual counseling for both mental health and substance use disorders. Sarah earned her graduate degree from Boston College in 2011.

Meghan Johnson, LCSW, CCS


Since 2020 Meghan has been providing clinical services to our clients with co-occurring eating disorders and addiction in both our outpatient and residential treatment programs. Meghan has specialized in treating clients with anxiety, depression and eating disorders and has extensive experience in a variety of treatment settings including inpatient, residential, PHP, IOP and Outpatient. She is trained in CBT and has practice working with the LGBTQ+ population and clients experiencing domestic violence. Meghan’s treatment approach is client centered, trauma responsive and strengths based by assisting clients in connecting to their true selves outside of their substance use and eating disorders. Prior to joining the clinical team at Crossroads, Meghan worked in the Boston area as a counselor with Monte Nido and Affiliates and received her training at McLean Hospital in Belmont, MA.

Chelsea Stephenson, LCPC-CC


Chelsea joined the Crossroads outpatient clinical team in 2020 to support our clients in our eating disorders IOP as well as seeing clients individually for mental health and substance use disorders. Chelsea is trained in motivational interviewing and mindfulness-based and arts based therapies. Chelsea is available to see clients in need of treatment for anxiety, depression, eating disorders, PTSD and trauma. In 2020 Chelsea received her MS degree in Clinical Mental Health Counseling from the University of Southern Maine and she is a member of the American Counseling Association (ACA).

Angela Barbato, LCSW


With over 12 years experience as a clinician supporting clients with co-occurring disorders, Angela brings a great deal of knowledge to the outpatient clinical team at Crossroads and is a graduate of Boston College Graduate School of Social Work. In addition to seeing clients for one-on-one counseling, Angela runs 2 aftercare groups for women in early recovery. Angela uses her clinical skills to treat clients with depression, anger management, anxiety, family conflict, obsessive compulsive disorder, transgender and women’s issues. Angela is available to see adult men and women in our Greater Portland Counseling Center.

Board of Directors

Emily Semenchuk – President

Jolie Ritzo – Vice President

Geanette Treadway – Secretary

Joshua Murphy

Benjamin Motley

Kira Prindham

Contact us and call 877.978.1667 today if you or a loved one needs help from our addiction treatment specialists.