Who We Are

Our Staff

Clinical Director
Oriana Murphy, MA, CADC-II, LCSW

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Oriana Murphy, MA, CADC-II, LCSW

Oriana has shown passionate dedication to those who struggle with addiction issues through her extensive studies and over 15 years of experience in the fields of substance use and mental health treatment. Oriana is an LCSW and earned her Masters of Social Work from the University of Southern California and has also completed a Masters of Arts in Psychology with a specialization in Addiction, as well as has a CADC-II certification. She has experience working in all aspects of the field, both residential and outpatient settings, non-profit and for-profit agencies, and is an active member of the Southern California recovery community.

Most recently, Oriana was the Associate Executive Director of program offering levels of care ranging from detox to aftercare. There she supervised the counseling, clinical, academic, and operations departments, oversaw communication and coordination of care with families and referrants, and was responsible for ensuring quality coordination of care for all clients. Prior to this role Oriana has worked as an individual therapist for clients ranging in age from 5-65, homeless individuals with SMI at Pacific Clinics Portals Division, young and older adults through Barrio Action Family Services in partnership with their GRYD program (Gang Reduction Youth Development project), and veterans suffering from PTSD and substance use issues at VOALA. Oriana has a private practice working with families and individuals, as well as is a clinical consultant for various programs creating systems, increasing compliance, and program curriculum and development.

Medical Director
Dr. Kimberly Brown

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Dr. Kimberly Brown, MD

A graduate of USC/Keck School of Medicine, Dr. Brown is board certified in General Psychiatry and Addiction Psychiatry. She completed her internship at Cedars-Sinai and residency at USC/Keck, where she served as Chief Resident of Outpatient Services and received specialized training in psychodynamic, intensive short-term and cognitive behavioral therapy techniques. Following graduation, Dr. Brown pursued an Addiction Psychiatry Fellowship at the UCLA/Sepulveda Valley program, and has since practiced in a variety of settings including the Veterans Administration, emergency psychiatry, and hospital based psychiatric services. She is currently a staff physician at Cedars-Sinai for the Consult-Liaison department and also has a private practice.

Nexus coordinates with Dr. Brown to provide psychiatric evaluations and medication management with special attention to individual requirements. She is flexible and integrative in her approach, and carefully explores each client’s personal history, attitudes towards medication, and life experiences during treatment. Dr. Brown believes that empathy, understanding, and helpful explanations are crucial to facilitating treatment and gaining a client’s sense of comfort and trust. She is excited to join the team at Nexus, and believes that the holistic, client-centered approach to recovery truly sets Nexus apart from other programs.

Director of Admissions &
Clinical Outreach

Lauren Duerson, MEd, LPCC

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Lauren Duerson, MEd, LPCC

Lauren is a Licensed Professional Clinical Counselor who brings over eight years of experience assessing and treating substance use and mental health disorders. She received her undergraduate degree in Psychology from The University of Arizona and her graduate degree in Community Mental Health from Clemson University.

Lauren began her therapeutic career in South Carolina, treating substance use and co-occurring disorders while specializing in supporting trauma and domestic abuse victims. In 2012, she moved to Los Angeles to continue her work treating substance use disorders, this time focusing on at-risk youth. In addition to her work as a therapist, she has been responsible for assessments, patient intakes, and outreach at multiple facilities in the San Fernando Valley.
With additional training in motivational interviewing and Trauma Focused Cognitive Behavioral Therapy, Lauren does not believe that there’s a one-size-fits-all approach when it comes to treating substance abuse and mental health disorders. She’s passionate about understanding every potential client’s circumstances and working together to find the right program for that individual. Lauren firmly believes that everyone has the capacity to live a fulfilling life where they can use their abilities to reach their highest potential.

Primary Therapist
Melissa Solem, MA, LMFT

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Melissa Solem, MA, LMFT

Melissa is a Licensed Marriage and Family Therapist. She received her undergraduate degree in Psychology and her graduate degree in Marriage and Family Therapy from Arizona State University. She began her career working for a non-profit state agency, focusing on the healing and safety for children and families that have experienced trauma. Gaining experience and training in trauma-informed care, Melissa relocated to Los Angeles where she began working in the field of addiction. She has since worked at every level of care and is passionate about helping both the individual and the family navigate through underlying issues in order to find healing and connection through recovery. Melissa uses a strengths-based approach to empower individuals in navigating through life’s struggles and to help those find solution and fulfillment in recovery.

Primary Therapist
Dr. Corrine Leikam

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Dr. Corrine Leikam, Psy. D.

Dr. Corrine Leikam has extensive experience working with diverse populations in both inpatient and outpatient settings, with advanced training in substance abuse, mood disorders, and personality disorders. She received her doctorate in Clinical Psychology from Pepperdine University. Much of her career and training has been devoted to working with complex cases, requiring a strong understanding of symptom presentation, differential diagnosis, and the influence of cultural and environmental factors.

Dr. Leikam most recently worked as the Associate Clinical Director of a young adult substance abuse treatment center, where she managed a team of clinicians to ensure the highest quality of care. Her role included managing the onsite therapists and ensuring the department met the highest clinical standards for her clients. Previously, Dr. Leikam was a Forensic Clinician at a Forensic Community Treatment Program where she helped her clients transition back into their communities, provided therapy, conducted ongoing risk assessments and diagnostic clarification, and communicated directly with the courts regarding clients’ status.

Dr. Leikam completed an APA accredited pre-doctoral internship at the Metropolitan Detention Center in downtown Los Angeles, CA. Prior clinical training includes risk assessment with individuals struggling with severe mental illness; neuropsychological assessment for those with cognitive concerns, traumatic brain injuries, and neurodegenerative disorders; and long-term integrative psychotherapy.

In her private practice, Dr. Leikam with young adults and adults with anxiety, depression, phase of life adjustments, and more. She has always felt the need to work in the helping profession and is passionate about assisting people as they navigate challenging times in their lives.

Therapist/Family Program Facilitator
Jeanie Griffin, DD, LPC, LMFT, LCDC

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Jeanie Griffin, DD, LPC, LMFT, LCDC

Jeanie is a licensed psychotherapist and treatment program consultant. In her efforts to assist in the transformation and healing of her clients on a physical, psychological, emotional and soul level, Jeanie combines the spiritual path of the 12 steps with sound clinical practices and non-traditional practices. She is also trained in EMDR therapy, equine therapy and psychodrama.

With licenses in Texas and California and over 30 years experience working in the addiction field, Jeanie has been clinical director of treatment programs, faculty member at UCLA addiction counselor training program, private practice therapist, clinical consultant to treatment programs, facilitator and developer of family programs and spiritual director. She enjoys 32 yrs of sobriety, has learned to laugh, to experience joy in sobriety and to practice self-care.

Over 1200 clients and families have attended her nationally acclaimed Family Program, Head Heart and Feet, where she combines psycho-educational sessions, experiential activities and 12-step spiritual principles. Ms Griffin’s work is grounded in simplicity, driven by spirituality, fueled by a sense of humor and dedicated to healing individuals, families, communities and the planet.

Group Facilitator
Johnnie Mollin, MA, AMFT

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Johnnie Mollin, MA, AMFT

Johnnie is a Local Angelino; growing up in Santa Monica. He studied Psychology as an undergrad at the University of Southern California (USC) and continuing on to Antioch University Los Angeles gaining his Masters Degree in Clinical Psychology. Johnnie specializes in a spiritual and depth approach to psychotherapy; combing Mindfulness, CBT, DBT, Narrative, Trauma informed, and Jungian approaches to heal the whole person mind body and soul. Johnnie’s knowledge and wisdom in the field of Addiction and his devotion to the well being of others is a deeply rooted calling from the pains of his own journey.

Johnnie has worked for many years as a Lead Therapist in both the worlds of non profit and for profit treatment. His profound love for others, his ability to connect with all people and populations, and his belief in the power of transformation are among his greatest gifts.
Johnnie is thrilled to be part of the grand collaboration that is Nexus Recovery Services.

Group Facilitator
Delena Zimmerman, MA, LMFT

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Delena Zimmerman, MA, LMFT

Delena has worked with the recovering population for more than 21 years. She values the 12 step process and uses it to be effective at Nexus Recovery in the Principles in Recovery psychotherapy groups. Delena completed her Masters in Psychology with an emphasis on Marriage and Family Therapy at Phillip’s Graduate University. Continuing her commitment to the recovery population, Delena also obtained a concentration in co-occurring disorders. Delena is also adjunct faculty at Phillip’s Graduate University and a mentor to research students.
Outside of Nexus, Delena is an author, a speaker, and a licensed spiritual counselor. Delena serves her community in many ways: as a private practice therapist in Culver City, an Agape Licensed Spiritual Practitioner, a mentor to at-risk youth, and an active member of her recovery network.

Yoga Instructor
Tracy Stanbury, RADT

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Tracy Stanbury, RADT

Being a body in motion has always been a passion for Tracy. Growing up as a competitive athlete, she has always been driven to discover her physical potential. During her first year of college in 2008, she began to study multiple formats of yoga including Vinyasa, Hatha and Yin. Intrigued by this invigorating form of movement, Tracy began to study many forms of expression, which led to her pursuit of dance in tandem with yoga.

After commencing her education at UCLA and obtaining an additional Alcohol and Drug Counseling certification from CSUDH, Tracy knew that she needed to merge her creative desires by teaching and helping others. Completing her training with CorePower Yoga in early 2015 spurred her journey into instructing and healing. Since embarking her teaching journey, Tracy has been awarded a Lululemon Athletica Ambassadorship in 2017 and assists with Teacher Training programs at her home studio, SoHo Yoga, in Hermosa Beach and DTLA.

Spiritual Counselor
Kurt Zimmerman

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Kurt Zimmerman

Kurt has been involved in the recovery community for over thirty years and is passionate about working with others in the process of spiritual transformation. He has led workshops, retreats and meditation groups involving seekers from both in and out of the field of addiction. With extensive knowledge of the wisdom traditions, Kurt has a unique ability to access insights into transcending the dysfunction of the human condition. He meets privately with individuals, facilitates, and hosts larger gatherings at Two Trees Insight Guidance in Redondo Beach, California.

Nutritionist
Shelby Bublitz, MS, RDN

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Shelby Bublitz, MS, RDN

Shelby earned her bachelors from California State University, Channel Islands where her focus was teaching and learning. She is driven by her experience that most of us learn by doing. Her love of traveling, culture, food, and science led her to the field of Dietetics. Shelby graduated from California State University, Los Angeles as Summa Cum Laude of her class with a Master’s Degree in Nutritional Science. Through her work as a Dietitian Nutritionist, she soon realized how confusing our cultural norms and “diety” lifestyle can be for those who are trying to best take care of themselves. Shelby finds freedom in helping others learn and apply healthful behaviors that promote a positive relationship with food and improve well-being. Shelby enjoys living a balanced life and finds inspiration in the mountains and on the water where she spends most of her free time.

Nutritionist
David Wiss, MS, RDN

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David Wiss, MS, RDN

David is the founder of Nutrition in Recovery, which specializes in: Addictions, Eating Disorders, Mental Health, Body Image, and General Wellness. He works closely with individuals to help them revolutionize their relationship with food and has shared his expertise with numerous eating disorder and addiction facilities throughout the greater Los Angeles area. David is a nationally recognized expert in nutrition for addiction and is currently working on his PhD in Public Health from UCLA.

Drama Therapist
Alexis Maron, MA, RDT

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Alexis Maron, MA, RDT

Alexis began acting at the age of 5 and has since allowed her performance background to infuse her career choice of becoming a Drama Therapist. After graduating from the Orange County High School of the Arts in 1999, Alexis went on to receive her B.A. in Musical Theatre from UCLA. Upon receiving her degree, Alexis performed professionally in LA for several years before following her instincts to New York to earn her M.A. in Drama Therapy from NYU.

While in New York, Alexis had the opportunity to work with at­-risk high school students, members of the homeless community, and the aged and infirm at the Menorah Center for Rehabilitation and Nursing Care. After returning home to California, she was hired at her high school alma mater, OCSA, to pioneer a Drama Therapy class and teach this subject to seniors in the Integrated Arts Department. She also works with the Down Syndrome Association of Orange County where she facilitates a weekly Drama Therapy group for adults with Down Syndrome.

For the past four years, Alexis has worked at various treatment centers where she has been using Psychodrama as well as other Drama Therapy techniques to aid adults suffering from both drug and sex/love addictions. Between her Psychodrama groups, she runs her own private practice and uses Drama Therapy with couples and individuals working through a vast multitude of challenges.

Breathwork Facilitator
Emily Wessel, MA

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Emily Wessel, MA

Bio Coming Soon!

Breathwork for Recovery® is the first and only national organization comprised of certified mental health breathwork professionals with special training in healing trauma, recovery from substance use disorder, chemical dependency, eating disorders, compulsive behaviors, and other mental health issues.

Case Manager
Jeffrey Phillips, RADT

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Jeffrey Phillips, RADT

Jeff spent 35 years as a professional touring and recording musician, performing all over the world and living in seven different countries. Upon retiring from the music scene, Jeff decided he wanted to give back to the community. Having worked as a Case Manager for various sober living sites and as the lead technician at a detox facility, Jeff has extensive experience in the addiction treatment industry. Jeff is also a Registered Alcohol and Drug Technician (RADT). Jeff’s wealth of knowledge and expertise is a great asset to the Nexus team, and he looks forward to helping create an individualized program that treats and guides Nexus clients on their path to recovery.

Co-Founder
Halim Daniel

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Halim Daniel

Halim has a personal passion for helping people and families on their road to recovery. After managing and operating multiple sober living facilities across the Los Angeles area, Halim felt the need to design a recovery program that focused on ethical care, affordability, and true support for those struggling with addiction and their family members. Thus, Nexus was born. Halim is proud to bring his knowledge of the recovery process, compassion for people, and wealth of relationships with professionals and businesses that support the recovery community to Nexus and it’s clients.

Co-Founder
Robert Schneider

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Robert Schneider

Through his own personal journey, Robert has a developed a profound passion for helping alcoholics and addicts overcome their struggles and learn to live a meaningful and happy life. As one of the co-founders of Nexus, he brings nearly twenty years of CEO experience as well as a background in case management at a sober living facility. Robert is dedicated to ensuring that Nexus always offers the most effective treatment programs possible in order to give clients the best chance of success in the recovery process.

Director of Operations
Mandy Giangardella, BA

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Mandy Giangardella, BA

With a passion for bettering her community, Mandy has a special interest in advocacy for individuals and families seeking addiction recovery support and mental health care. She brings extensive experience in administrative office support and project management from her years working at a multi-dimensional entertainment and artist management company. Mandy holds a Bachelor’s degree in English from the University of Mount Union and is in the process of pursuing a Master’s degree in Legal and Forensic Psychology.

Digital Marketing Director
Julia Goodman, BS

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Julia Goodman, BS

Julia has been working in marketing in the drug & alcohol treatment space since 2010. With a passion for helping others and all things digital, she has found her niche as Digital Marketing Director at Nexus.

Through her own experiences with addiction and recovery, Julia has a unique perspective that brings a higher level of honesty and understanding to Nexus’ digital marketing efforts. Having seen both sides of the coin, she is able to understand not only the hard work and dedication that it takes to work in treatment, but also the questions, concerns, and fears that potential clients and their families are dealing with when looking for a treatment program. Her goal is to make the difficult process of finding treatment and recovery from addiction as easy as possible by providing potential clients and their families with the information they need to make the decision that works best for them.

Julia holds a Bachelor of Science in Management from Pepperdine University.

Operations Manager
Nick Mohler

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Nick Mohler

Nick Mohler has been working with Nexus Recovery Services since day one. Having been promoted to Operations Manager in early 2019, Nick is an integral part of Nexus’ daily operations and client care.

Prior to working at Nexus, Nick worked in addiction treatment for several years at programs in both Los Angeles and Orange County. Having worked in both sober living and outpatient treatment, Nick has a breadth of understanding of the disease of addiction which he takes with him into his work here at Nexus.

Outside of work, Nick enjoys attending concerts, being outdoors, and being of service within his community. He is a vital part of the Nexus team and in the recovery of our clients.

Administrative Assistant
Jocelyn Linares, BS

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Jocelyn Linares, BS

Jocelyn Linares began working at Nexus in 2019. She earned her Bachelor of Science in Public Health from the University of Nebraska-Omaha. Jocelyn relocated to California to further her education, as well as, experience more challenges, diversity, and culture. Over the past eight years, she has worked in the healthcare space, including home health, hospitals, and rehabilitation facilities. Jocelyn has found this work and the opportunity to be part of a person’s life-changing journey incredibly rewarding. “Nexus Recovery Services is full of empathetic, compassionate, and encouraging individuals that truly bring light to this world. I am grateful to attribute my personable, caring, and positive self to the company and be a part of our client’s positive change and progression.”

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