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Cristi Canepa, Executive Director

After eight years of service to Mind Matters as Receptionist, Bookkeeper and Finance Manager, Cristi returned to us in December 2018 as Executive Director. Her unique knowledge of our clientele and programs, office environment and staff, and the community we serve, makes her a perfect fit to lead our clinic into the future.

Prior to her Mind Matters career, Cristi spent over twenty years working in the medical field as an office manager and insurance biller. She graduated Valedictorian from Andon Medical Vocational College. Married into a sixth generation Calaveras County family, Cristi has raised her daughters here, and enjoys spending time with them and her grandchildren. Cristi is also a well-known local photographer, and loves hiking the beautiful Sierra Nevada.


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Charlin Lumia, LMFT, Diagnostic Clinician/Therapist

Charlin Lumia is a Licensed Marriage and Family Therapist who provides consultations and counseling for individuals and families affected by ADHD, autism and learning disabilities. Charlin comes to Mind Matters after several years of working and supervising in-home and clinic based behavioral therapies for individuals with autism or related concerns. In this role, Charlin completed assessments, developed treatment plans, monitored progress and worked on analyzing problem behaviors as well as drafting Behavior Intervention Plans. Prior to this role, Charlin worked as a play therapist for children who had experienced trauma, a family therapist for the Livermore Police Department and a counselor in a juvenile detention facility. Charlin thrives on developing a close therapeutic relationship and helping clients with their whole picture, the client, their family, their social circle, school/ work, by attending IEPs and coordinating care with other service providers. Charlin uses a blended approach of CBT, mindfulness, SFBT and process-based therapy.

 Charlin earned her BA in Psychology at the University of California, Davis and her MS in Counseling Psychology from California State University, East Bay and currently has a private practice in Brentwood.

 Charlin was born and raised in the east San Francisco bay area. She and her family recently moved to the foothills and enjoy hiking around local lakes and exploring the area.


Dr. David Simons, Clinical Psychologist

Dr. David Simons is a Licensed Clinical Psychologist with more than 25 years experience evaluating and treating children. His academic career includes a M.Ed., M.A., and Ph.D. while attending the Universities of Massachusetts, Arizona and California School of Professional Psychology, San Diego. He completed a two year internship at the Department of Psychiatry, UCSD School of Medicine. He was awarded a National Institute of Mental Health grant for graduate studies and accepted a postdoctoral fellowship at the Child Development Center, University of Colorado, School of Medicine, Denver Colorado. 

He specialized in treating children as member of Valle Verde Pediatrics Medical Group for more than 20 years in Poway, California, and was previously employed for several years at The Child Guidance Clinic and Learning Disabilities Clinic at Children's Hospital, San Diego. Dr. Simons also served as a Clinical Supervisor for the Crisis Team and Post-doctoral training program at Juvenile Hall as well as a Certified Evaluator for several Juvenile Courts in San Diego. 

Dr. Simons retired 6 years ago, moving to Northern California. Missing his work with children, he accepted a position as Clinical Director at Mind Matters. He currently lives in Murphys, and enjoys skiing and hiking opportunities in Calaveras County. 


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Susan Deax-Keirns, LMFT, Therapist

Susan Deax-Keirns is a licensed Marriage and Family Therapist and provides counseling for children, adolescents, adults and their families affected by ADHD, Autism Spectrum Disorders, and learning disabilities.  Susan uses a mindfulness based Cognitive Behavioral Therapy approach in working with distractibility, impulsivity, anxiety, depression and other behavior problems. 

Susan earned an MA in Counseling Psychology from Santa Clara University and a BA in Psychology from the University of Oklahoma.  She is married and has three children.  Combining her academic and clinical training, and her love of mindfulness, Susan has a gift of working with children and families to create non-threatening, comprehensive and effective treatment plans.

Prior to joining Mind Matters, Susan trained for several years at Santa Clara University working with students, staff and faculty.  She worked at Calaveras County Mental Health and currently has a private practice in Murphys.  She has been a serious student of mindfulness meditation for over 20 years and is a trained EMDR therapist.


 Sarah Krutsinger, LCSW, Therapist

Sarah Krutsinger, LCSW, provides counseling for individuals and families.  She received her Masters in Social Work with specialization in Health from USC. Sarah received her undergraduate degree in sociology and psychology from Biola University in La Mirada, CA. During the licensing period, she worked at a group home for teenage youth in Santa Ana providing counseling and support to the clients and their families. At Hoag Hospital in Newport Beach, Sarah worked in the Emergency department, NICU, as well as other areas in the hospital providing case management and crisis and grief counseling.

Sarah has also worked at a geriatric psychiatric hospital and has done volunteer work with youth in the Orange County area.

Sarah recently moved with her husband and young son from Orange County to the Sierra Foothills and enjoys spending time in the local mountains and lakes with her family.


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Sally Kaplan, Educational Services Coordinator

Sally came to the clinic through her service with the Calaveras Youth Mentorship Program where she has mentored a ‘special needs’ child since 2012. 

Sally began her work at Mind Matters teaching Fast Forward.  She is also the Clinic’s Social Skills instructor.  Sally attended two conferences in the Bay Area where she trained in both Executive Function and Social Thinking.  Social Thinking (also known as Social Skills) is a curriculum developed by Speech Language Pathologist Michelle Garcia Winner and is intended for students with social learning disabilities. 

Its focus is on teaching students to think about how others perceive them.  With a B.A. from Hampshire College, Sally brings years of experience as a teacher in specialized fields.  She has taught video to school children in NYC, filmmaking to college students at NYU, UCLA and the Naropa Institute, and writing classes at Manzanita Writers Press and Gold Rush Writers Conference.  In addition to her work at Mind Matters, Sally is the co-producer with her husband David Vassar at Backcountry Pictures, a production company they founded in Los Angeles in 2001 and relocated to Murphys in 2012. 


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Denise Turco, Administrative Assistant

Denise and her husband moved to Calaveras County from the Bay Area fourteen years ago. While raising their children Denise enjoyed many years volunteering in the classrooms and working as a Resource Aide. For the past ten years she has been working as a personal banker. She has also volunteered for the Resource Connection and the Taylor Family Foundation. Denise is delighted to be part of the Mind Matters team!