Staff

John Leverington

John Leverington

LMFT, LPC, LCSW
Director

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John Leverington

John Leverington, LMFT, LPC, LMSW

Director

John is a Licensed Professional Counselor, Licensed Marriage and Family Therapist and Licensed Clinical Social Worker. He is also an approved supervisor for the American Association for Marriage and Family Therapy. John has responded to crisis events to assist teams and organizations to deal with the effects of trauma. He works with teens, couples and singles experiencing burn out, stress, depression, anxiety, loss, grief and marital problems. He also consults with member care workers, human resource coordinators and administrators regarding personnel issues. John has over 30 years of counseling experience and the last 20 years in full time volunteer work first in Papua New Guinea and now as founding director of Olive Tree Counseling Center. John is married with two adult married children who grew up partially in PNG and two grandchildren.

John enjoys running, hiking, photography, and experiencing new places.

Becky Leverington

Becky Leverington

LMFT, LPC, LCSW
Associate Director

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Becky Leverington

Becky Leverington, LMFT, LPC, LMSW

Associate Director

Becky is a Licensed Marriage and Family Therapist, approved supervisor, and the
Associate Director of OTCC. She loves doing individual and marital counseling, assisting parents in parenting issues, and specializes in the areas of ADHD, trauma, depression, adoption issues, child abuse prevention & response, ministry fit, team issues, leadership challenges, and cross-cultural adjustment issues. She and her husband John have lived in Papua New Guinea and W. Asia and done crisis response and teaching/training throughout the world. They have two married adult children who spent some of their adolescence on the field and two grandchildren.

Becky enjoys hiking in the mountains, snorkeling and scuba diving, flowers and trees anywhere, reading many kinds of literature, and spending time with friends.

Linda Parker, LMFT

Linda Parker

LMFT
Counselor

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Linda Parker, LMFT

Linda Parker, LMFT

Counselor

Linda has a B.A. in psychology from Wheaton College and a Masters Degree in counseling from Georgia State University. Before joining the staff of Olive Tree Counseling Center she has been in private practice as a Marriage and Family Therapist in San Bernardino, California for 30 years. She also developed the counseling degree program at the International School of Theology in Arrowhead Springs, California. She has co-authored the book, Mind the Gaps about helping provide care for cross-cultural workers and made short-term trips over a period of 18 years to provide care to workers in Eurasia and Africa.

Linda specializes in relationship problems such as communication and conflict resolution difficulties, intimacy issues, unfaithfulness, parenting issues, as well as individual issues such as depression, anxiety, addiction, trauma resolution both recent and in childhood, and cross cultural adjustment issues. She is a certified EMDR therapist with 18 years’ experience in trauma resolution. Linda also does seminars to help teams work more effectively together through enhanced communication and conflict resolution skills as well as helping them develop their philosophy of ministry.

Linda loves serving cross-cultural workers. In her free time she enjoys reading, hiking, snorkeling, snow skiing, and spending time with friends.

Lisa Green

LPC
Counselor

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Lisa Green

Lisa Green, LPC

Counselor

Lisa is a Licensed Professional Counselor with a Master’s in Clinical Psychology from Wheaton College and experience providing counseling with children, adolescents, and adults. She has also worked in an adolescent partial hospitalization setting, and an adult crisis center. Areas of professional interest and experience include using play therapy with young children, working with children and adolescents in areas of behavior problems, anxiety, depression, self harm, abuse, and family issues, and adults with problems with mood, self-esteem, coping with stress, and a history of trauma and abuse. She also utilizes EMDR with both children and adults as a means of reprocessing trauma.

Lisa lived her first 16 years of life in the cross-cultural experience of being a Navy child, and has had a great deal of involvement in short-term ministry trips, which in recent years has included leading groups of teens and young adults on overseas trips. Before completing her Master’s Degree, she worked in a youth ministry for 6 years as a mentor for college aged women, focusing on their spiritual and emotional development. She has a great love for cross cultural work, new places and experiences, and for people who also work outside of their own culture.

CORINNE GNEPF, LPC-A

Corinne Gnepf

LPCA
Counselor

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CORINNE GNEPF, LPC-A

Corinne Gnepf, LPC-A

Counselor

Corinne holds a MA degree in counseling from Columbia International University. She is a National Certified Counselor and a Licensed Professional Counselor Associate in North Carolina. She has experience in counseling children, adolescents, and adults. Corinne enjoys working with children and entering the world of play with them to facilitate growth and healing. Corinne desires to see both children and adults work through trauma and other issues that hold them captive and grow in their newfound freedom. Corinne’s counseling focuses are in trauma, crisis, anxiety, depression, transition, parenting issues, and play therapy.

Corinne is from Switzerland, has lived in West Africa, and the United States. She loves to travel, outdoor activities, a good book, tasting ethnic foods, creating things with her hands, and learning new languages.

Amber Goodloe

LPC
Counselor

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Amber Goodloe, LPC

Counselor

Amber is a Licensed Professional Counselor with a Master’s in Professional Counseling from Grand Canyon University and is also trained in EMDR for trauma processing. She has experience with adolescents, families, and adults in various contexts including as a counselor at an adolescent residential facility, providing pre-field assessment and training for those preparing to move overseas, and debriefing for families, couples, and singles while on furlough. Amber is skilled in working with issues of adoption, attachment, self-harm, suicidality, eating disorders, family conflict, struggles with sexual identity and other sexual struggles, depression, and those with a history of trauma and abuse.

Before getting her degree in counseling Amber spent 8 years living in China as a youth minister working with families from over 20 cultural backgrounds, and through this developed a passion for serving and investing in workers around the world. Outside of the office you can find her drinking coffee, playing in the snow, exploring the great outdoors, or traveling to a new city or country.

Susan Butler

LMFT, LPC, LMHC
Counselor

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Susan Butler, LMFT, LPC, LMHC

Counselor

Susan is a Licensed Marriage and Family Therapist and Licensed Professional Counselor with a Master’s in Marriage and Family Therapy from George Fox University and a master’s in Spiritual Formation from George Fox Seminary. She is an approved supervisor for the state of Oregon and has been an adjunct professor at George Fox University in the counseling program. Susan has taught with TELOS international Inc. with their international graduate counseling program in China and Peru.

Susan is trained in C.P.R.T (Child Parent Relationship Therapy), ADOPTS (Specialized therapy for pre and post adopted children and their parents), Gottman Method couples therapy, and PREPARE/ENRICH (pre and post couples inventory). She has experience with marital therapy, adoption, play therapy, trauma, self-esteem, and transition issues. Her passion is working with couples, families, sand tray Therapy, and working cross culturally.

Susan enjoys running, swimming, weaving, house remodeling, travel, exploring new cultures and spending time with her 12 grandkids.

Peter Everts

LPC
Counselor

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Peter Everts, LPC

Counselor

Peter is a Licensed Clinical Psychologist. He earned his Master of Theology and Doctor of Clinical Psychology from Fuller Theological Seminary in Pasadena, California. He worked with adolescent inpatients for several years before beginning private practice with children, adolescents, adults, couples and families. Over his 39 years of clinical practice Peter has enjoyed helping children, adolescents and adults with depression, anxiety, relationship conflicts, life transitions, grief and loss, parenting concerns, abuse, and sexual concerns. Peter has been trained in EMDR for work with trauma-based problems and also loves working with couples utilizing emotionally-focused couples therapy. He administers some personality and interpersonal tests.

Having moved eleven times in the first few decades of his life Peter has some personal awareness of the impact of dislocation and making adjustments to new living situations. Peter still enjoys backpacking and mountain climbing with several of his six adult children and 15 grandchildren. When he isn’t adventuring outdoors, he enjoys most sports, board games, puzzles, reading, and traveling.

Roger Sandberg

LCPC, LMFT
Counselor

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Roger Sandberg, LCPC, LMFT

Counselor

Roger Sandberg has Masters degrees in Clinical/Counseling Psychology and Biblical Studies, and is licensed as a Professional Counselor and as a Marriage and Family Therapist. For the past 25 years he has worked as a counselor in both private practice and community settings, doing both marital and individual therapy with adults, as well as work with older adolescents. He particularly enjoys working with those who are navigating depression, anxiety, trauma, interpersonal relationship conflicts, grief and loss, and cross-cultural transitions.

Roger specializes in an individual counseling approach called Accelerated Experiential Dynamic Psychotherapy (AEDP), an experiential approach to treatment that emphasizes one’s God-given healing capacities, based on neuroscience, attachment, and emotion research. He has also utilizes two attachment-based, emotion focused couples psychotherapy approaches: Emotionally Focused Couples Therapy (EFT) and Accelerated Experiential Dynamic Psychotherapy for Couples (AEDPfC).

Roger has enjoyed doing cross-cultural ministry in various parts of the world, including Asia, Africa, Latin America, and North America. He enjoys reading, walking in nature, sports, listening to music, and meaningful conversations with good friends.

Nick Steffen

LMHC-A
Counselor

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Nick Steffen, LMHC-A

Counselor

Nick Steffen is a licensed counselor with master’s degrees in both Pastoral and Clinical Counseling. He has experience working with couples, teenagers, and their families on a range of presenting issues, including trauma and addictions, within Christian residential and private settings. Nick has specialized training in several trauma related therapies (including EMDR and TF-CBT) and TBRI (Trust-Based Relational Intervention). He has trained national staff with a ministry in Haiti in providing trauma competent care to children from hard places, and enjoys working with couples utilizing the Gottman Method. He loves integrating his work with both neuroscience and the Christian faith.

Nick and his wife enjoy traveling and experiencing new cultures. He has interests in theology, political theory, and English literature. He enjoys a good podcast and is always learning something new! He and his wife are also passionate about supporting workers and helping them thrive.