Clinicians

Janeen DeMarte, PhD

Psychologist/Owner

Janeen DeMarte, PhD : Psychologist/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

Evelyn Burrell, PsyD

Psychologist

Evelyn Burrell, PsyD : Psychologist

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. She works at Sentience, PLLC as an independent contractor.

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.

Linsey Lancellotti, PsyD

Psychologist

Linsey Lancellotti, PsyD : Psychologist

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.

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, MA

Licensed Professional Counselor

Amanda Robinson, MA : Licensed Professional Counselor

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. She works at Sentience, PLLC as an independent contractor.

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.

Pamela Brooks, MSW

Licensed Clinical Social Worker

Pamela Brooks, MSW : Licensed Clinical Social Worker

Pamela Brooks is a licensed clinical social worker. She earned her undergraduate degree in psychology from Pitzer University  and her Master’s in Social Work from Arizona State University. Pamela has experience engaging clients in a variety of clinical settings including community mental health, high school, and Mayo Clinic’s transplant center. Pamela created psychoeducational groups aimed towards enhancing children/adolescent social skills and positive coping skills. Pamela also created a supportive and psychoeducational group for individuals within the hospital setting. Pamela uses an integrated approach in therapy and takes pride in building relationships with clients to reach their highest potential. She works at Sentience, PLLC as an independent contractor.

Elana Payton, EdD

Licensed Associate Counselor

Elana Payton, EdD : Licensed Associate Counselor

Dr. Elana Payton is a Licensed Associate Counselor (LAC). She holds a Master’s in Professional Counseling and earned her EdD in Counseling Psychology from The Arizona School of Professional Psychology at Argosy University. She is in the process of obtaining her LPC licensure and is supervised by Dr. Janeen DeMarte. She works at Sentience, PLLC as an independent contractor.

Dr. Payton has 20 years of experience as a school guidance counselor and is well versed in the area of diversity, special education, behavior, crisis and trauma adolescent counseling services.  Dr. Payton’s education and work experience allow her to create professional development and programs that support under-represented, marginalized, and at-risk students. Dr. Payton has experience working with adolescents and their parent/guardian(s) at each stage of academic and personal development, analyzing complex situations, addressing student conduct and finding amicable resolutions. She is uniquely skilled in conflict resolution and restorative justice practices, beneficial in working with populations who have experienced varying degrees of trauma. 

 Dr. Payton’s doctoral program and dissertation research enabled her to further explore pathways of success for youth via an examination of correlations between generational risk and health factors that impede positive academic development and life choices.  She examined historical trauma and generational PTSD of native populations focusing on how trauma manifests through generations resulting in risk behaviors that impede academic success. Dr. Payton’s research revealed significant implications for prevention and interventional counseling and teaching practice to address achievement gaps, high-risk behaviors, and policies that counter progressive academic success for underserved populations.  

 

Tiffanie Leyvas, MS

Licensed Associate Counselor

Tiffanie Leyvas, MS : Licensed Associate Counselor

Tiffanie Leyvas is a Licensed Associate Counselor. She earned her Master of Counseling degree from Grand Canyon University in 2014.

Ms. Leyvas completed her internship and clinical work with Hospice of Arizona, providing support for families and patients with end of life issues. She offered counseling for grief, trauma, isolation, depression and anxiety, as well as conducting grief support groups. Additionally, Ms. Leyvas is a Certified Clinical Trauma Specialist. She will be supervised by Dr. Evelyn Burrell as she works towards independent licensure.

Robert Preston, MA

Licensed Associate Counselor

Robert Preston, MA : Licensed Associate Counselor

Robert Preston is a Licensed Associate Counselor (LAC) who earned a master’s degree (MA) in Professional Mental Health Counseling from Lewis and Clark College in Portland, Oregon. After a 20+ year in Human Resources, Robert moved into therapy to support clients with adjustment, depression, anxiety, trauma, substance use disorder, intimacy, LGBTQ+, or occupational stressors. He has worked with and welcomes clients from emerging adults through seniors.

Mr. Preston believes that you are the author of your story. He creates a therapy environment where you feel brave, respected, and welcome. His interventions are influenced by Cognitive Behavior Therapy (CBT) and Solution-Focused Therapy (SFT).

Mr. Preston’s approach centers on a multicultural and social justice orientation, meaning conversations will naturally include cultural identities and social locations. Through collaboration and synergy goals are addressed while honoring your strength & resilience. Mr. Preston is in the process of obtaining his LPC licensure and is supervised by Janeen DeMarte, PhD.

Samantha Sevilla, MA

Doctoral Candidate Therapist

Samantha Sevilla, MA : Doctoral Candidate 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. She works at Sentience, PLLC as an independent contractor.

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.

Matsen Hartsoe, BA

Doctoral Candidate Therapist

Matsen Hartsoe, BA : Doctoral Candidate Therapist

Matsen Hartsoe is a practicum doctoral student supervised by Dr. Linsey Lancellotti. He holds a Bachelor’s degree in Psychology from the University of North Carolina and is currently earning his doctorate in Clinical Psychology from Northern Arizona University.

Mr. Hartsoe has clinical experience working with adolescents and adults in a variety of settings, including a treatment center for sexual compulsivity, a residential home for adjudicated youth, and a private practice specializing in neuropsychological evaluations.

Kristine Andersen, MSW

Doctoral Intern Therapist

Kristine Andersen, MSW : Doctoral Intern Therapist

Mrs. Andersen studied Health Science at Brigham Young University-Idaho, where she received her Bachelor’s degree in Health Science with a minor in sociology & occupational health & safety. Subsequently, she applied and was accepted into The School of Applied Social Science at Case Western Reserve University. Mrs. Andersen graduated summa cum laude with her Master’s degree in social work while serving on active duty for the United States Army. Mrs. Andersen continued her education by working towards her Clinical Psychology doctorate at California Southern University, where she will graduate magna cum laude in 2022.

Mrs. Andersen has worked with various populations to include children, adolescents, adults, active-duty service members (all branches), veterans, and geriatrics. She is currently certified as a Clinical Trauma Specialist-Individual and Bereavement certified. She is in the process of completing her doctoral level internship at Sentience Psychological Services. She is supervised by Dr. Linsey Lancellotti.