Clinicians

Dr. Janeen DeMarte

Clinical Psychologist/Clinical Supervisor/Owner

Dr. Janeen DeMarte : Clinical Psychologist/Clinical Supervisor/Owner

Dr. Janeen DeMarte is a licensed clinical psychologist currently operating Sentience PLLC in Phoenix, Arizona. Dr. DeMarte completed both her master’s and Ph.D. in clinical psychology at Michigan State University and fulfilled an APA approved doctoral residency at Arizona State Hospital.

Dr. DeMarte conducts psychological therapy and assessment for a broad range of clients. Her diverse therapeutic aptitudes have been developed over years of experience providing care to clients from all walks of life, with ages spanning from early childhood to older adults. Her clinical training was conducted in a variety of settings including correctional facilities, outpatient clinics, and inpatient units.

Dr. DeMarte served as the Clinical Director of a large outpatient behavioral health clinic in Phoenix where she oversaw the practice of numerous multidisciplinary treatment providers. During her tenure, Dr. DeMarte developed a program for practicum students from Arizona State University, Argosy University, and several other academic institutions. She has also instructed at the university level for bachelor’s students and provided intensive training for master’s and doctoral students of clinical psychology. She is also the owner of Sentience Psychological Services, PLLC

Dr. Evelyn Burrell

Clinical Psychologist/Clinical Supervisor

Dr. Evelyn Burrell : Clinical Psychologist/Clinical Supervisor

Dr. Evelyn Burrell is a licensed clinical psychologist who earned her doctoral degree and two master’s degrees in mental health counseling and clinical psychology from the Arizona School of Professional Psychology at Argosy University. She fulfilled an APA approved doctoral residency at the Arizona State Hospital. Her clinical training was conducted in a variety of settings including correctional facilities and outpatient clinics.

Dr. Burrell has experience completing psychological and psychosexual evaluations, violence risk assessments, and therapeutic treatment for forensic populations. She specializes in working with adolescent and adult individuals with personality, mood, sexual, and paraphilic disorders.

Dr. Burrell has taught college courses at both the undergraduate and graduate level, focusing on foundational psychology, cultural diversity, diagnostics, and counseling skills. She also provides trainings in cultural awareness to doctoral and master’s level students.

Dr. Linsey Lancellotti

Therapist

Dr. Linsey Lancellotti : Therapist

Dr. Linsey Lancellotti is a therapist who earned her doctoral degree from The Arizona School of Professional Psychology at Argosy University. She fulfilled her APA approved doctoral residency at The Edith Nourse Rogers Veterans Medical Center. She is in the process of sitting for her licensing exam to become a Clinical Psychologist. At the present time, she is supervised by Dr. Janeen DeMarte.

The majority of Dr. Lancellotti’s clinical training and experiences have focused on providing services to older adults in a variety of settings, including long term care facilities, outpatient clinics, palliative care, and hospice. She specializes in addressing concerns about adjustment, mood, anxiety, grief and loss, end-of-life issues, interpersonal difficulties, chronic illness, caregiver stress, and varying degrees of cognitive impairment.

She emphasizes a strength-based approach and incorporates interventions based on the principles of Acceptance and Commitment Therapy (ACT), Cognitive Behavioral Therapy (CBT), Motivational Interviewing (MI), and multicultural counseling techniques.

Dr. Lancellotti has an interest in working with and improving the quality of services provided to gay, lesbian, bisexual, or transgender older adults.

Amanda Robinson

Licensed Professional Counselor/Clinical Supervisor

Amanda Robinson : Licensed Professional Counselor/Clinical Supervisor

Ms. Amanda Robinson is a Licensed Professional Counselor (LPC). She graduated from Southwestern College with a Counseling degree in 2005, and completed the Masters in Counseling program through Northern Arizona University in 2010.

Her internship and clinical opportunities thus far have provided her with a well-rounded experience with adults, adolescents, and couples in an outpatient setting. Most of her individual counseling has been focused on clients with addiction, depression, anxiety, bipolar disorder, social phobia, sexual trauma, emotional trauma, dissociation, victims of domestic violence, dual-diagnosis, borderline personality disorder, obsessive compulsive disorder, long term care needs, and traumatic brain injured clients. Ms. Robinson has worked with many couples in therapy, as well as, led and co-led intensive outpatient groups for mood, addictions, and mindfulness. She serves as a clinical supervisor for Sentience, PLLC.

Brittney Mandryk

Therapist

Brittney Mandryk : Therapist

Brittney Mandryk is working towards becoming a Licensed Associate Counselor who is supervised by Dr. Evelyn Burrell. She holds a Masters of Science in Mental Health Counseling from Long Island University in Brooklyn, New York. Her clinical experience includes work at multiple outpatient mental health clinics with a variety of clients, from children to adults, under a multicultural lens. She fortified her expertise at a women’s health clinic specializing in postpartum depression, as well as a clinic providing integrated counseling alongside psychiatrists, social workers, school counselors, and dietitians. Her counseling approach is patient-centered; she is passionate about providing a safe space for unfettered communication while using models that include Cognitive Behavior Therapy, Narrative Therapy, and Mindfulness Interventions, depending upon each patient’s needs.

Mercedes Anderson

Doctoral Student

Mercedes Anderson : Doctoral Student

Mercedes Anderson is a Counseling Psychology student at Arizona State University. She is currently completing her third practicum placement under the supervision of Janeen DeMarte, PhD. Mercedes graduated with a Bachelor’s of Science in Human Development and Family Studies in 2015 and received her Master’s in Counseling Psychology from ASU in 2017. She is currently working towards her doctorate degree in Counseling Psychology.

In her most recent practicum experience Mercedes provided individual and group therapy with survivors of sexual/domestic violence. Mercedes developed clinical skills in working with trauma, anxiety, depression, and anger. In her work she utilizes a Cognitive Behavioral approach with the integration of elements of Feminist and Multicultural therapies.

 

Olivia Walliser

Therapist

Olivia Walliser : Therapist

Olivia Walliser was a graduate student in the Master of Arts in Clinical Psychology program at the Arizona School of Professional Psychology at Argosy University. She is currently a Behavioral Health Technician under the supervision of Amanda Robinson, LPC. Ms. Walliser graduated with a Bachelor of Science in Psychology from the University of Calgary in 2017.

Ms. Walliser has experience with research and assessment of children with Autism Spectrum Disorder. She has been providing psychotherapy services for individuals with serious mental illness and those who have experienced trauma. She has worked with clients across the lifespan from early adulthood to geriatrics. Additionally, she is a passionate advocate for gender and sexual minorities.

 

Samantha Sevilla

Therapist

Samantha Sevilla : Therapist

Samantha Sevilla is a therapist who previously attended the Arizona School of Professional Psychology at Argosy University. She is under the supervision of Amanda Robinson, LPC. Ms. Sevilla graduated with a Bachelor of Science in Psychology from the University of Phoenix in 2012, and completed her Master of Arts in Clinical Psychology in 2017.

Ms. Sevilla’s prior experiences include providing group therapy to individuals who have been court ordered to complete diversion programs that specify in substance abuse treatment and domestic violence offenses. Ms. Sevilla also provided individual therapy for Federal inmates reentering society. Ms. Sevilla has also completed a prior placement at a community mental health facility where she provided individual therapy and group therapy. Ms. Sevilla is most familiar with cognitive-behavioral interventions and mindfulness techniques to assist individuals with depression, anxiety, anger, trauma, grief, and substance abuse.