MasterMind Psychology, P.S.

MasterMind Psychology, P.S.MasterMind Psychology, P.S.MasterMind Psychology, P.S.

MasterMind Psychology, P.S.

MasterMind Psychology, P.S.MasterMind Psychology, P.S.MasterMind Psychology, P.S.
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Meet the STAFF

Dr. Angela Hille

Dr. Jon Christensen

Dr. Jon Christensen

Dr. Angela Hille is a licensed clinical psychologist in the state of Washington and specializes in Psychological and Neuropsychological assessments.  After graduating high school, she attended Eastern Washington University majoring in Psychology and minoring in Philosophy and Spanish. She graduated with both University and Departmental Honors in 2002 and went on to attend Eastern Washington University to earn her MA in Clinical Psychology a couple years later. She then attended APA accredited Fielding Graduate University. 


She completed her internship at Providence Sacred Heart Medical Center and Children’s Hospital in Spokane, WA. Through connections there, she learned about NeuroEducation, Inc and the psychological services they provided to children and families. Dr. Hille conducted psychological and neuropsychological assessments and provided counseling at NeuroEducation, Inc for five years before leaving in fall of 2019 to start MasterMind Psychology. In addition to assessments, Dr. Hille is also interested in peak performance training and life coaching. She is always learning more and is passionate about helping others live their best life!


Dr. Hille is married to Travis Hille and they have a  daughter. Together as a family they love adventure. They like to snow ski and can be seen in the summer on the water enjoying sun and water sports behind their boat. Dr. Hille also likes to travel and go on adventures, photography, being active, and hanging out with her Chesapeake Bay Retrievers, Radar and Reese. 

Dr. Jon Christensen

Dr. Jon Christensen

Dr. Jon Christensen

Dr. Jon Christensen is a licensed clinical psychologist specializing in pediatric and adult neuropsychological/psychological evaluations, treatment and therapy.


Dr. Christensen is licensed in the state of Washington and is an upstanding member of the American Psychological Association. In 1994, he received his Ph.D. in an APA approved Clinical Psychology program from California School of Professional Psychology in Fresno, California after completing an APA approved pre-doctoral internship at Silas B. Hays Army Community Hospital in 1993. He also received post-doctoral training and supervision at the Veterans Administration Hospital in Columbia, South Carolina with a focus on psychological and neuropsychological evaluation. In 1998, Dr. Christensen completed a post-doctoral fellowship in Pediatric Psychology at Madigan Army Medical Center in Tacoma, Washington then was promoted to the position of Child Psychology Fellowship Director at Tripler Army Medical Center in Honolulu, Hawaii. During his time there, he was instrumental in establishing the medical center’s first APA accredited post-doctoral psychology training program.


Dr. Christensen has a love for learning and education. During his post-doctoral work, he shared that love for learning as an adjunct professor at two colleges where he taught psychology classes in Introductory and Developmental Psychology.


During his professional career, he has helped countless individuals and families, through his devoted work as an Army Psychologist, in community health centers and regional medical hospitals. After leaving a rewarding army career in 1999, Dr. Christensen joined a private Clinical Psychology practice, with full hospital privileges, in South Carolina until 2002. In April of 2002, he moved, with his wife and two young sons, to Spokane, Washington to be closer to their extended family and to begin his career at NeuroEducation, Inc. During his 18 years at NeuroEducation, Dr. Christensen helped vast members of the Spokane Community with attention, learning, anxiety and depression difficulties, etc. until the Spring of 2020. In March of 2020, Dr. Christensen was invited to join MasterMind Psychology, PS with his former colleague, Dr. Angela Hille, where he continues his life’s work of helping individuals to live their best life through assessment and treatment of psychological concerns. Dr. Christensen loves what he does and has a genuine passion for helping people.


During his rewarding career, Dr. Christensen has conducted limitless evaluations and provided treatment to all age groups dealing with a variety of concerns. These evaluations have encompassed all age groups for cognitive/neuropsychological, behavior, personality, emotional and adaptive difficulties. From a therapeutic standpoint, he possesses expertise in treating children, adolescents and adults with varied mental health concerns including mood, anxiety, social, behavioral and learning difficulties. He has been successful in using a variety of therapeutic interventions with his primary approach specializing in cognitive behavioral therapy.


Dr. Christensen has been married to his best friend, Shelly, for over 30 years. Jon and Shelly happily raised two sons who also share their love for Northwest life. They are thrilled that their boys have chosen to begin their careers and build their homes in the Spokane area. The Christensen Family enjoys golfing, hiking, camping, cooking, collegiate and professional sports (Go Zags! Go Seahawks!) as well as frequent backyard barbecues, luaus and holiday celebrations with friends and family. Dr. Christensen loved coaching his son’s sporting teams as they were growing up and remains an avid HOOPFEST fan to this day. You can find him each year behind a score table cheering for his team!



To learn more about Dr. Christensen, click here to visit his website

Steven Feldman, LMHC

Jonathan Kawira, LMHC

Jonathan Kawira, LMHC

Istvan “Steven” Feldman serves in the role as a Psychometrist at MasterMind Psychology. He is responsible for the administration and scoring of neuropsychological tests under the supervision of Dr. Angela Hille. He also provides counseling services as a Masters level therapist to individuals 13 years and over. 


His work history has molded him into a well-rounded clinician regarding the many aspects of psychological practice. He began his journey as an inpatient psychiatric technician at Shodair Children’s Hospital in Montana. After moving to Spokane, he began working at an enhanced services facilities caring for individuals with severe mental illness and intellectual developmental disabilities. As his clinical skills developed he transitioned to providing mental health and addiction counseling at a local inpatient residential treatment facility. Later he began working at an outpatient setting providing co-occurring services. He found his way to MasterMind Psychology  in 2023. 


Steven received his Bachelors in Psychology from Carroll College of Montana in 2016 and his Masters in Psychology from Southern New Hampshire University in 2019. He went on to receive a Post-Graduate Certificate in Addiction Studies from Eastern Washington University in 2020. He has since completed extensive graduate coursework and over 500 hours of doctoral level clinical psychology residency in person through Capella University. He has over 2,000 hours of experience in administering and scoring a wide variety of neuropsychological tests. He is fully independently licensed to provide mental health counseling and is certified in Dialectal Behavior Therapy (C-DBT). He is pending board certification examination with the National Association of Psychometrists to become a certified specialist in psychometry (CSP). For individual therapy he often utilizes a psychodynamic approach incorporating psychoanalytic, gestalt, dialectal behavioral, and motivational interviewing techniques. His clinical interests include impulse, neurodevelopmental, neurocognitive, and personality disorders. 


Steven was born in Budapest and grew up in the redwood forest of the Santa Cruz mountains. He lived in Montana for about eight years and now enjoys the Spokane region, particularly for its closeness to the many outdoor activities it offers. In his free time, he enjoys snowboarding, camping, mountain biking, and traveling with his therapy-dog-in-training, Huckleberry.

Jonathan Kawira, LMHC

Jonathan Kawira, LMHC

Jonathan Kawira, LMHC

Jonathan Kawira is a licensed mental health therapist, certified in Eye Movement Desensitization and Reprocessing (EMDR), focusing on trauma, stress, depression, and Post-traumatic stress disorder (PTSD).


Jonathan is licensed through the state of Washington and received his graduate degree in School Counseling (M.Ed), from Whitworth University in the summer of 2022. Jonathan has previously worked as a paraprofessional with elementary age students as well as middle and high school students. Jonathan has experience working with individuals across the age spectrum with diverse life experiences.


Jonathan has cultivated a specialization in supporting individuals on their journey towards self-improvement and the reclamation of their lives. His primary area of expertise lies in working with individuals from diverse backgrounds who are experiencing unmanageable stress in their lives. He has honed his skills in a range of therapeutic modalities, including CBT, EMDR, and  motivational interviewing while maintaining a person centered approach. 

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