Cerissa Desrosiers PsyD, Clinical Director

Cerissa is a Licensed Clinical Psychologist who specializes in treating children, adolescents, and families. Cerissa earned her doctorate in Clinical Psychology from Antioch University New England. She completed her predoctoral internship at Casa Pacifica Center for Children and Families, a non-public school, residential treatment program, and emergency shelter in Camarillo, California. Prior to starting Endurance, Cerissa worked as Clinical Coordinator for Direction Behavioral Health’s Seacoast IOP.

Outside of work, Cerissa enjoys playing with her daughter, rock-climbing, sailing (she’s a captain and former Watch Officer with Outward Bound), and spending time outdoors.

Christopher White LSW, Director of Operations

Chris is a Licensed Social Worker who has worked with struggling youth since 2001. He served as a residential counselor and Assistant Residential Director at Nashua Children’s Home, Southern New Hampshire’s largest residential treatment organization, for over eight years. He then worked as Site Coordinator and Counselor for Direction Behavioral Health’s Seacoast IOP until opening Endurance.

A former semi-professional football player, Chris enjoys spending time with his four daughters, cooking, and supporting New England sports.

Danielle Bouchard MSN, PMHNP-BC, Medical Director

After obtaining bachelor’s degrees in Psychology, Health Care Administration, and Nursing, Danielle received her Master’s of Science in Nursing from the MGH Institute of Health Professions in Boston, Massachusetts and is a Board-Certified Psychiatric-Mental Health Nurse Practitioner. Danielle has served as the Medical Director of both the Partial Hospitalization Program (PHP) and the Intensive Outpatient Program (IOP) at Endurance Behavioral Health since these programs first began, maintaining a special interest and expertise in the unique needs of intermediate level of care.

Danielle is dedicated to improving the lives of adolescents and young adults affected by psychiatric illness by providing compassionate, specialized and effective clinical care. Her focus is medication evaluation and management, utilizing the highest quality evidenced-based pharmacotherapy interventions to reduce suffering and improve functioning of young people in the acute phase of illness so they may reclaim what is meaningful to them.

In addition to her job in psychiatry, Danielle has a special fondness for travel, country music and giant dogs, especially her beloved Newfoundland, “Bernard”.

Brittany Murphy, PsyD, Assistant Clinical Director

Brittany is a Licensed Clinical Psychologist who specializes in treating children, adolescents, and families. Brittany received her master’s and doctorate degrees in clinical psychology from William James College in Newton, Massachusetts. She completed her pre-doctoral internship at Riverbend Community Mental Health, where she provided individual, family, and group therapy to children of all ages. Prior to Riverbend, Brittany trained at the Massachusetts Mental Health Center’s partial hospital program in Boston, MA and South Bay Mental Health in Lowell, MA. She has received intensive training in child and adolescent psychology, dialectical behavior therapy (DBT) and telemental health. Her primary clinical interests surround children and families, suicide and self-injury, and the use of digital technology in clinical practice. For this reason, Brittany designed a mobile app to augment DBT treatment for adolescents.

In her free time, Brittany enjoys spending time outdoors (especially skiing, hiking, and boating on Lake Winnipesaukee), traveling, and hanging with her Entlebucher Mountain Dog, Zelda.

Oceana Brandon, LCSW, Therapist

Oceana is a Licensed Clinical Social Worker with over 15 years experience working with adolescents and their families in a variety of therapeutic settings. She has a special interest in helping adolescents with anxiety disorders to regain functioning and lead full, healthy lives.

Oceana loves hiking and is working on completing the New Hampshire 48 4,000-footers.

Eileen Marousek, Therapist

Eileen is a masters level clinician who specializes in working with youth struggling with a wide range of mental health disorders. Eileen’s experience and training includes working with adolescents in the juvenile correctional system, group therapy, individual therapy, substance abuse, addressing behavioral concerns, and vocational rehabilitation.

Eileen received her masters degree in clinical mental health counseling and behavioral medicine from the Boston University School of Medicine. Eileen completed her clinical placements at Bay Cove Emergency Services in Boston, MA, a mobile emergency service, and at the Boston Veteran Affairs as a substance abuse clinician. In her free time, Eileen enjoys spending time with her family, going for long runs, cooking, and spoiling her Golden-doodle dog, Copley.

Shannon Collins, Therapist

Shannon is a Master’s Level Clinician (working toward LMHC licensure) with a dual Master’s Degree in Expressive Arts Therapy (EAT), specializing in Dance/Movement Therapy (R-D/MT, BC-D/MT-Eligible) from Lesley University. As an integrative clinician and Trauma-Certified Professional Integrative Yoga Therapist, Shannon considers a person’s medical, emotional, and spiritual needs to bridge the brain-body gap within an interdisciplinary model of physio-emotional treatment.

Shannon has dedicated over 15 years to cross-cultural counseling, serving diverse populations coping with a wide range of acute, co-occurring medical and physical diagnoses in the states and overseas. Influenced by arts-based complementary modalities (i.e., art, music, improv, dance, movement), Shannon individualizes the therapeutic approach in a meaningful way that integrates all life domains to instill a sense of hope, belongingness, and relational resiliency.

Outside of work, you can find her dabbling in the improv comedy arts scene, savoring fried dough, doing karaoke duets, and wondering what it must be like to fly in a hot-air balloon!

Dave Desrosiers, Jr., Site Coordinator

Dave will likely be the first person you speak to and meet in our office. He will set up your intake and other appointments, coordinate transportation, collect payments, and–most importantly–make sure you feel like a valued member of the Endurance family. His positive attitude and willingness to lend a hand to any task help make Endurance an enjoyable place to be.

Outside of work, Dave enjoys spending time with his wife and their two dogs, Luna and Ruby, working on his vintage BMW, and exploring the seacoast area’s many trails and beaches.

Jessica Hannon, Billing Manager

Jessica wears many hats at Endurance (including updating the website!). She sits in on many intake appointments to take notes and help families complete the required paperwork. She is also your go-to person for questions about your insurance coverage and billing. Prior to scheduling your intake appointment, she will research your insurance benefits to ensure you understand any financial responsibility you may have.

Before joining the team at Endurance, Jessica taught high-school English and had a career in educational publishing. She spends her time away from the office playing with her daughter and enjoying the outdoors.

Angela Desrosiers, Yoga Instructor

Angela received her 200 hour Registered Yoga Teacher certification through Thames Street Yoga in Newport, RI. Angela is the former owner of a successful dance studio in Massachusetts and after selling her business, her love of dance turned into a love of fitness and physical movement. She has taught yoga, barre, dance and fitness throughout Southeastern Massachusetts and is now proud to bring her passion to the Seacoast.

Angela believes that yoga is a wonderful tool to promote mindfulness and to give ourselves the opportunity to slow down and regroup. Her classes at Endurance (Fridays at 1:00 pm) are a slow, gentle flow that incorporate breathing techniques and meditation practices with each student being encouraged to move at their own pace and to take some time to quiet the mind.