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Our Staff

Krishna Jessick, CADC-II – Founder & Owner

Our founder and owner, Krishna, has spent over 20 years in the field of mental health and substance abuse recovery, having helped in the creation and development of four other treatment programs in Southern California before starting Casa Recovery. She studied Human Services: Drug and Alcohol Studies in Saddleback College and is a Certified Alcohol & Drug Counselor (CADC) as well as an educator for and member of the California Association for Alcohol/Drug Educators (CAADE). She also trained in Relapse Prevention, Crisis Intervention, Denial Management, Primordial Sound Meditation, and Recovery Coaching.

Krishna has completed hundreds of successful interventions in the last 15 years. She continues to be involved in community advocacies, serving as liaison between Saddleback College and Drug Court, and working with County of Orange Risk Reduction Education and Community Health (REACH) Program. She is an advisory board member of the TEACH Program (also at Saddleback College), a Mental Health/Dual Diagnosis and Substance Abuse advisor at Orange Coast College, and a Drug Treatment panel member for the Substance Abuse and Crime Prevention Act of 2000 (Prop 36). Krishna was the keynote speaker at the 2008 CAADE Conference in Costa Mesa and at the 2009 California Indian Law Association Conference, where she discussed substance abuse in Indian Country.

Dr. Randall Turner, D.O. – Medical Director / Psychiatrist

Dr. Randall Turner received his medical degree from Touro University Nevada College of Osteopathic Medicine and completed his Psychiatry Residency training at Loma Linda University. He’s board certified in Psychiatry and also in Addiction Medicine by the American Board of Preventive Medicine.

Dr Turner is a founding member of the Progeny Psychiatric Group. He primarily works in general adult psychiatry, geriatric psychiatry, and addiction medicine. Everyday he strives to thoroughly understand human psychology and psychopathology with a hope to relieve suffering and foster the growth of those he treats.

Dr. Turner is a talented musician; he plays the guitar, piano, and drums. In his spare time, he also enjoys reading, bird watching, and traveling. He currently resides in Southern California with his wife and four children.

Dr. Chase Espinoza, PsyD – Clinical Neuropsychologist

Dr. Chase Espinoza is a licensed psychologist and professor of psychology. He specializes in neuropsychological and psychological testing. Diagnostics and treatment planning are staples of every evaluation, in addition to coordination of care with the clinical team at Casa Recovery. Robust, comprehensive assessment of neuropsychological and mental health, as well as evaluation of personality structure and clinical needs, enables individualized intervention planning and unique treatment implementation for each client. Dr. Chase has worked in school-based, forensic, substance abuse, hospital-based neurology clinic, pain clinic, residential behavioral health, and county mental health settings. He is published in multiple subject areas of psychology and presents on the topics of co-occurring disorders, the neuroscience of empathy, interpersonal trauma, and intimate partner violence at conferences and summits. He is an adjunct professor of psychology and research in undergraduate, master’s, and doctoral programs at four different universities in Southern California and regularly develops courses. Dr. Espinoza is excited, communicative, and passionate about bringing the depth and utility of psychological assessment to Casa Recovery clients.

Sandi Fontana, MA, LMFT – Clinical Director

Sandi holds a Master’s degree in Clinical Psychology, with an emphasis in Marriage and Family Therapy from Pepperdine University. She has several years of working with clients who suffer from severe trauma, anxiety, and depression and with those currently battling substance abuse. She also has extensive experience working with those suffering from co-occurring mental health issues including bipolar and personality disorders. Sandi also has a passion for collaborating with clients and helping them rebuild family relationships and also encourages clients to gain personal insight by increasing self-awareness and emphasize existing strengths in an effort to guide them to experience a more happy life.

Sandi brings many years of team leadership experience to her role as Clinical Director of our dual-diagnosis treatment center. She carefully guides the clinical team to strive for excellence in the continuity of health care for all CASA Recovery clients and promotes awareness of individual needs for all by fostering good communication among all persons.

Elizabeth Cappelletti, MA, LMFT – Therapist

Elizabeth Cappelletti is a Licensed Marriage and Family Therapist. She received her Master’s degree in Clinical Psychology from Pepperdine University and a certificate in Art & Creativity for Healing from Chapman University. Elizabeth has a passion for working with individual adults as well as families and couples. She provides a safe and nurturing environment for clients to explore their deep feelings of fear, anger, and sadness and teaches them how to express these emotions without hurting themselves or others. Several modalities that she often uses with clients to help accomplish this is art therapy, play therapy, mindfulness and meditation, Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, EMDR, Hypnotherapy as well as Psychodynamic, Experiential and Narrative therapies.

Elizabeth is also the author and co-author of several books on relationships, parenting, stress management, and grief and loss. Her experience has led her to work with the media as a mental health expert, informing the public about various psychological, parenting, and relationship issues.
Eric Foti, AMFT, CADC-II, ICADC – Therapist

Eric Foti holds a Master’s degree in Psychology and is an Associate Marriage and Family Therapist (AMFT). Eric is also a certified alcohol and drug abuse counselor (CADC-II, ICADC) and specializes in the treatment of dual-diagnosis clients. Eric has worked in the behavioral health field since 2002 and has worked in all facets of inpatient and outpatient treatment from county psychiatric facilities, private residential treatment programs, and intensive outpatient programs. Eric brings to Casa Recovery a wealth of knowledge and experience incorporating a variety of modalities and approaches including mindfulness-based cognitive therapy, psychodynamic, and existential therapies. Eric is also trained in trauma-focused interventions including EMDR and incorporates this modality into therapy as appropriate. With the proper guidance, Eric believes in an individual’s ability to heal oneself through self-awareness and introspection.

Diana Tuttle, MA, AMFT – Therapist

Diana Tuttle is an Associate Marriage and Family Therapist. She received her Master’s degree in Marriage and Family Therapy from Alliant International University, California School of Professional Psychology in Irvine, and is currently completing her PsyD degree. She has advanced training in EMDR, Trauma-Focused Cognitive Behavior Therapy (TF-CBT), Cognitive Behavior Therapy (CBT) from the Beck Institute, Music Therapy and Guided Imagery. Diana has extensive experience working in mental health and substance use treatment programs, as well as in private practice working with clients with trauma, post-traumatic stress disorder, anxiety, depression, substance use disorders, bipolar disorder, personality disorders, as well as family and couples conflict.

Diana practices from a person-centered, strength-based, non-pathological approach helping clients to create their desired change through building a relationship of safety and trustworthiness, emphasizing choice, collaboration, and empowerment. Diana feels privileged to walk the healing path with individuals, families, and couples, which can feel frightening and overwhelming, but can also be enlightening and life-altering.
Sarah Lemeilleur, MA, AMFT – Therapist

Sarah is an Associate Marriage and Family Therapist. She received her Master’s Degree in Clinical Psychology with an Emphasis in Marriage and Family Therapy from Pepperdine University. Sarah has extensive experience providing group, individual and family therapy to those facing mood and personality disorders, grief and loss, anger management, eating disorders, trauma and substance abuse. Sarah specializes in providing holistic treatment options and coping skills for those struggling with Bipolar Disorder, Major Depressive Disorder and Generalized Anxiety Disorder. Sarah uses Attachment theory and Psychodynamic therapy to help clients improve their capacity for developing and maintaining more satisfying relationships. Sarah aims to help clients learn to analyze and resolve their current issues and change their behavior in current relationships through deep exploration of earlier experiences and emotions.

Michael Carlyle, CADC-CS, ICCS, MATS – Clinical Supervisor, Lead Counselor

Michael is a Certified Alcohol, and Drug Counselor-Clinical Supervisor (CADC-CS) as well as an Internationally Certified Clinical Supervisor (ICCS), and a certified Medication Assisted Treatment Specialist (MATS). Michael received his credentials from the International Certification & Reciprocity Consortium (IC&RC) and the California Consortium of Addiction Programs and Professionals (CCAPP).

For more than ten years, Michael has dedicated himself to finding multidimensional ways of providing care to clients with substance abuse issues, and mental health disorders, and he also helps family members become formally involved in their loved one’s recovery process.

Michael’s role as a Lead Counselor and Clinical Supervisor assists clients in creating sustainable alcohol and drug addiction, and mental health recovery plans that will support long-term personal growth and sobriety. His strengths include guiding our clients to use positive cognitive approaches, holistic practices, and spirituality to raise self-awareness of individual strengths, and develop new coping strategies that will enable a successful transition into a positive lifestyle.

Amber Cloyd, BA, RADT – Case Manager

Amber received her Bachelor’s degree in Psychology from CSU Stanislaus and is pursuing additional studies at Saddleback College in pursuit of becoming a Certified Alcohol and Drug Counselor (CADC). To her role as a Case Manager, Amber brings several years of experience working with individuals with mental health, substance abuse and eating disorder issues in a variety of human services settings. As an Aftercare Planning Specialist, Amber works closely with clients throughout their treatment journey helping them prepare for next steps following Casa Recovery. She provides one-on-one case management and ongoing aftercare assistance meeting with clients in individual sessions and in small process groups. Amber openly shares her own recovery and healing story with clients and loves being a friendly face of hope and support from the moment a client walks through our doors and continuously throughout the program.

Mallory Landry, RADT – Program Assistant

Mallory Landry comes to Casa Recovery with several years of experience working in mental health and substance abuse treatment. She is pursuing a Bachelor’s Degree in psychology from Northwestern State University of Louisiana with a future goal of pursuing graduate school and becoming a Licensed Professional Counselor.

To her role of Program Assistant Mallory brings a passion for working in the Mental Health field as well as education and experience to effectively support the efforts of both the clinical team and clients.

Sarah Cook, RN – Nursing Director

Sarah is a Registered Nurse and received her Associates Degree in Nursing at Heartland Community College in Bloomington, Illinois. After proving her skills as a specialty cardiac nurse she went on to work with patients suffering from dementia and provided individual long-term care as a home health nurse and case manager. Before moving to California, she served on the Logan County, IL Heroin Task Force dedicated to bringing community leaders together to battle the local heroin epidemic.

In addition to her extensive experience in nursing, she has a passion for helping patients seek and find good health care options, specifically for detox and early recovery. Like many who work in the addiction treatment field, Sarah has been affected personally with family members who struggle with addiction and has many years of experience identifying the medical needs of those who seek help in treatment. Sarah is also currently working on additional credentials to include Certified Addiction Registered Nurse (CARN).

Michael Clark, PA – Physician Assistant

Michael received a B.A. in Psychology from the University of Tennessee. He received his Master’s of Health and Science from the University of South Alabama where he belonged to the Alpha Theta Chi Honor Society. Michael is certified through the National Commission of Certification of Physician Assistants. Michael is a member of the California Academy of Physician Assistants and the American Academy of Physician Assistants.

Michael cares for the psychiatric needs of patients with an emphasis on communication to ensure each patient is thoroughly assessed. He works closely with our medical team to ensure any concerns are met.

Lynda Totah, NP – Mental Health Nurse Practioner

Lynda Totah received her Bachelor of Science in Nursing from the University of Phoenix in 1994, family nurse practitioner degree from California State University Long Beach in 2013 and her psychiatric mental health nurse practitioner post-masters degree from California State University Long Beach in 2017. She is nationally board certified as both a family and psychiatric mental health nurse practitioner.

Lynda has worked for over 35 years as a nurse, many in critical care but has focused the last 5 years in addiction medicine and mental health. She obtained her medication-assisted treatment (MAT) and recovery support training with privileges of prescribing buprenorphine in office and outpatient settings in early 2017. Since that time she has been working primarily in detox, residential IOP and PHP settings.


Sean Treacy – Director of Business Development/Admissions

Sean brings to CASA his years of business knowledge and sales experience. He studied business and finance at The Ohio State University. Sean’s talents have given him the opportunity to oversee both the business development and admissions efforts at CASA Recovery. Sean possesses the patience, understanding, and compassion needed to assist those struggling in finding the help that is most appropriate for their individual needs

“My prayer is that I can help those calling to make the decision to change and guide them on their own journeys towards healthy, happy and fulfilling lives.”

Tiffany Congelliere, MBA – Marketing & Outreach Manager

Tiffany brings 10 years of experience and a deep understanding of business and marketing to her role as Manager of Marketing & Outreach. Having worked in a variety of industries, Tiffany is happy to have found her passion in the mental health sector. Not too surprising, as her father is a Clinical Psychologist and her mother is a Registered Nurse.

Tiffany earned her master’s degree in business administration from Chapman University in Orange, CA. She has a passion for professional and personal development and continues to pursue additional training in the field of psychology. Her current educational endeavors include professional training in Somatic Experiencing.


Heather Deranja, MA, RDN, CPT – Registered Dietitian & Nutritionist

Heather is a registered dietitian nutritionist, cognitive behavioral specialist and personal trainer. She obtained her Bachelor of Science degree in Dietetics in 2012 and Master’s Degree in Multidisciplinary Health Communications in 2013, both from Fontbonne University in St. Louis. She utilizes a functional approach to health, helping her clients personalize their nutrition for optimal health by combining the science of nutrition with the psychology of eating to create lasting results. She shares her message with clients and colleagues in a way that is easy to consume and inspires sustainable action.

Celeste Sieler, CMT – Massage Therapist

Celeste describes CASA Recovery’s approach to rehabilitation as revolutionary and holistic. She has been a firsthand witness to the overwhelming effects of addiction not only on the mind and body but the spirit. She is the owner of ‘A Touch of Heaven Massage and Holistic Healing’ and aims to use detoxification massages, Ayurvedic techniques, Oriental techniques, and nutritional therapy to help those struggling with addiction. Her massages relieve pain, restore proper bodily functions, and ultimately help clients reconnected with their bodies.

Bernie Wolfe – Personal Trainer

Bernie is a certified fitness trainer and brings to the Capo Canyon Recovery team over 20 years of experience of working with individuals on improving their health and wellbeing. He takes a holistic approach to training, tailoring exercise programs and nutritional practices to each client helping them feel and function better.

Courtney Parkyn, E-RYT 500 – Yoga & Meditation Instructor

Courtney was introduced to yoga when she was 17. Even though she was an athlete all her life, what she was drawn to most about yoga was the spiritual component. When she was 24 years old after struggling with mental health, alcohol abuse and eating disorder issues, she enrolled in treatment. Yoga had always helped lessen her anxiety and helped her feel more calm and it was while she was in treatment that she was inspired to teach yoga. Courtney finished her first yoga teacher training in 2008 and has been teaching ever since. She has continued to complete advanced training in areas of yin yoga, meditation, yoga nidra, vinyasa karma, Thai yoga massage, ayurveda, kundalini, anatomy, and alignment among others. Courtney is also a teachers teacher, having led yoga teacher training for many years including at the notable YogaWorks. Courtney believes that each class that she has taught, each practice that she has done, and each student she has encountered, have all helped her to become the teacher, the student, and the person that she is today, and she feels grateful for the road the practice of yoga has taken her, including being able to teach in treatment, where her teacher story began.

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