Whitney Warren-Alexander, LMFT, LADC

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A native of Arkansas City, KS, Whitney moved to Stillwater in 1998 and attended undergraduate at Oklahoma State University, receiving a B.A. in Psychology with honors and summa cum laude distinction in May of 2000. She received an M.S. from Oklahoma State University in Marriage and Family Therapy with an emphasis on family-centered addiction treatment in 2005.

She completed an internship at the Tulsa Women and Children's Center in Tulsa, OK and began working at Four Winds Ranch Recovery Center in Guthrie, OK soon after. Whitney worked as a primary therapist and Family Program Coordinator before going into private practice full time in Stillwater in 2008.

Whitney is a licensed Marital and Family Therapist and Licensed Alcohol and Drug Counselor who specializes in treatment of adolescents and adults. Whitney uses Eye Movement Desensitization and Reprocessing (EMDR) Therapy to heal trauma, anxiety and depression. She also treats body image issues, self harm and self injury, and provides treatment for divorce recovery in individuals and families. In addition, nearly half her caseload entails working with couples with marital or relational issues. Whitney prefers to see clients ages 14 and up.

Whitney is also available for consulting with therapists wanting to create a private practice. This includes strategies on marketing, successful business practices and billing insurance. Individual and group rates are available.

She is also currently a licensed supervisor in LMFT and LADC for the State of Oklahoma and can supervise LMFT and LADC license applicants. She is an AAMFT-Approved Supervisor for LMFT candidates. She currently supervises the graduate and undergraduate interns who work at her practice.


Trent Call, BA, Clinical Intern

Trent grew up in Orem, Utah and moved to Stillwater to attend Oklahoma State University in 2015. After graduating from Utah Valley University with a Bachelor's of Science in Behavioral Science in 2014, he decided to attend OSU to pursue a Master's degree in Marriage and Family Therapy.

Currently, Trent is interning for The Warren Alexander Group and The Center for Family Services in Stillwater, Oklahoma. He has experience working with individuals, couples, and families. His research and clinical interests include working with adolescents, individuals, couples, and families of individuals with intellectual disabilities. In addition, Trent is certified in the premarital/marital program PREPARE-ENRICH and has received training in Filial Therapy. At the Center for Family Services, he also serves as a leader for the Spanish Co-Parenting for Resilience class focused on helping parents who are divorcing and those who were never married to work together for the benefit of their children.

As a clinical intern at The Warren Alexander Group, Trent utilizes an income-based sliding scale for payment.


Mary Gibbons, M.S., LMFT

Mary attended Oklahoma State University for her undergraduate degree, where she received a B.A. in Psychology--along with the distinction of summa cum laude.  She worked as a Victim Advocate at Wings of Hope Family Crisis Services for some time before receiving an M.S. degree in Marriage and Family Therapy from Oklahoma State in 2013.  Throughout her clinical career, she has worked in a variety of settings including Oklahoma Baptist University--University Counseling, Payne County Youth Services, The Center for Family Services at OSU, and Wings of Hope Family Crisis Services.  This diversity of experience has allowed Mary to work with a wide range of presenting problems as well as to provide on-site supervision of clinical interns.  Mary is a Licensed Marital and Family Therapist and has received additional training in Eye Movement Desensitization and Reprocessing (EMDR), Trauma Focused Cognitive Behavioral Therapy (TF-CBT), Parent-Child Interaction Therapy (PCIT), and Filial Therapy.  Her passion as a clinician is to help clients build insight and to equip them with the tools they need to improve their relationships, recognize their personal strength, and effect positive change in their lives. 


Brianne Darbe, LMFT, LADC

Brianne grew up in northwest Oklahoma and spent her teenage years in a rural town near Chicago, IL. Brianne attended Oklahoma State University for both her undergraduate and graduate degrees. She graduated with highest honors in 2009 with a bachelor degree in Human Development and Family Science and a minor in Psychology. In 2011, she graduated with her master’s degree in Marriage and Family Therapy.

During graduate school, Brianne interned at The Center for Family Services in Stillwater, OK and at Jordan’s Crossing in OKC. Upon graduation, Brianne worked for two years as an assessment therapist at Jordan’s Crossing, which is an inpatient rehab for women and their children. Recently, she worked as the lead drug court therapist for Logan county drug court.

Brianne is a licensed Marriage and Family Therapist and a licensed Alcohol and Drug Counselor. She specializes in trauma, anxiety, depression, self-esteem, and addiction in individuals. Brianne also works with marital and relational problems in couples and families. Brianne is a trained Family and Divorce Mediator, in addition to her therapy licenses.


Courtney Bolejack-Lowe, LPC

Courtney first imagined herself being a "real-life" therapist sometime in the 8th grade. When she reached high school, in Kansas, she was disheartened when the school could not fund a psychology class. By the time Courtney entered her bachelor’s degree at Southwestern College she had never taken a formal psychology course but she stayed on course to one day be a therapist. Courtney graduated with her Bachelor’s in Psychology and minor in Leadership in May of 2008 from Southwestern College in Winfield, Kansas.


She entered the Master’s program at Northwestern Oklahoma State University in 2009. Courtney received her master’s from Northwestern Oklahoma State University and received her Licensed Professional Counseling (LPC) distinction in December of 2016. Courtney officially moved to Stillwater in January of 2016 and now considers this her full-time home.


Courtney specializes in the treatment of depression and anxiety disorders, personality disorders,agoraphobia, eating disorders, porn addiction, infidelity, PTSD and other forms of trauma, and also enjoys offering family therapy. Courtney prefers working with ages 14 and above.


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This is Teddy.  He is currently training to be a therapy dog for use in our practice. He is a toy schnoodle, part schnauzer, part poodle, meaning that he is non-shedding and should not bother clients with asthma or allergies. Therapy dogs are used to treat anxiety, depression, trauma and children's social skills. Teddy comes to the office as part of his socialization process. If you see him, please help his training by petting and playing with him.

Laci Campbell, NCC, LPC, LADC

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Laci moved to Stillwater in 1998 to pursue a Masters degree in community counseling.  She completed an internship at Oklahoma Lions Boys Ranch where she conducted groups and individual sessions for adolescent males in a group-home setting.  While in graduate school, she also worked at Payne County Family Practice, Inc. as a child advocate, workshop presenter, and therapeutic mediator for families in the divorcing process.  While there, she completed alternative dispute resolution training  under the Oklahoma Bar Association, advanced mediation training, and assisted in forensic interviewing for court-referred family and divorce cases.          

After graduating in 2000, she continued her work at PCYS and concurrently completed a certification in school counseling.  Post graduate work also included work in therapeutic foster care,  work at Payne County Youth Services,  and internships at OSU drug and alcohol clinic and Payne County Counseling.  She left OSU to return to PCYS as a clinical director.

Motherhood has presented an opportunity for her to work on a contract basis with PCYS as a therapist focusing on school settings and focusing on cases with Oklahoma Juvenile Authority until August 2014.  In joining this private practice, her interest areas are depression and anxiety treatment, family and divorce adjustment, drug and alcohol treatment for individuals and families, infertility counseling and trauma.


DeLeah Poe, MCP, LPC

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DeLeah grew up in the Northwest Oklahoma and Southwest Kansas area and graduated from Ulysses, KS.  She attended Northwestern Oklahoma State University where she received her B.S. in Psychology in 2005. After graduating NWOSU she moved to Fort Bragg, NC to be with her husband who was serving in the US Army 82nd Airborne Division. Later, in 2005, they PCS’d to Fort Richardson, Alaska where they lived for 4 years.  After 8 years of service her husband honorably discharged from the Army and they returned to Oklahoma. They settled in Stillwater in 2009.  DeLeah returned to Northwestern Oklahoma State University where she received her M.S. in Counseling Psychology in 2013 with her emphasis in research on military mental health.

DeLeah completed her internship at two separate child and family agencies, where she gained experience working with children, adolescents, families and parenting groups. Upon graduation, she was able to continue at the child and family agency where she gained additional experience with adults, families, children, adolescents, and school-based group counseling. Areas of her experience include anxiety, divorce, depression, trauma, TBI, personality disorders, and PTSD.

DeLeah bases her therapy on the Solution-Focused approach but also incorporates Cognitive Behavioral, Gestalt and Reality therapy.  She believes that progress begins by determining what goals a person wants to achieve through therapy. Once established, the person is able to begin moving toward those goals at their pace.

DeLeah is a member of ACA, OCA, and CAMOVAF.  She is available for Individual Therapy for children, adolescents and adults, as well as Family Therapy.  She has worked with individuals ranging from age 3-65.  DeLeah is also trained to provide mental health evaluations at an LPC level.  These evaluations include a psycho-social assessment, personal interview and MCMI interpretive report.


Chelsea Keel, BA, MFT Clinical Intern

Chelsea grew up in Edmond Oklahoma. She earned a B.A. degree in Psychology Pre: Counseling at Oklahoma Baptist University in 2015 and is currently earning a M.S. in Marriage and Family Therapy at OSU.

Currently, Chelsea is a clinical intern at The Warren Alexander Group and The Center for Family Services in Stillwater, Oklahoma. She has experience working with individuals, premarital/martial couples, parents, and children. Chelsea’s clinical interests include families, couples, children, adolescents and individuals going through life transitions.

Chelsea is certified in the premarital/marital PREPARE-ENRICH assessment. Chelsea has also received training in Child Directed Play Therapy and in Filial Therapy. Additionally Chelsea is trained as a facilitator in the Co-Parenting for Resilience course, offered to help separating/divorcing parents be better prepared to help their children through the transitions of separation/divorce.

Chelsea accepts payment based on an income-based sliding fee scale.


Kendra Lassley, LPC

Kendra is a Licensed Professional Counselor. After obtaining her Bachelor’s Degree in Psychology at the University of Central Oklahoma, Kendra began working in the mental health community in 2011 as a mental health technician. With time, she continued her work in the field as a Behavioral Health Rehabilitation Specialist in 2012.
While working in her role as a BHRS, Kendra attended Langston University in Oklahoma City and received her Master’s in Rehabilitation Counseling, emphasizing LPC in the spring of 2013. Kendra moved to Stillwater after she and her husband were married in the fall of 2013. She has been working as a therapist since that time.

Kendra loves to work with children, adolescents, and adults with issues related to depression, anxiety, trauma, and ADHD.

Kendra said she “feels fortunate to pursue her career as a way to serve others with dignity and respect, and care for others with concern and empathy.” She believes the power of change and growth is within each individual, and is willing to assist others in reaching their individual goals regarding treatment. Please contact her if you would like to work with her.


Brooke Brunken, LPC

Brooke grew up in Garber, OK and moved to Stillwater in 1997 to attend Oklahoma State University.  She graduated from OSU in 2001 with a Bachelor of Arts degree in Psychology and in 2009 with a Master of Science degree in Counseling.  She became a Licensed Professional Counselor in 2011 and an LPC Supervisor in 2013. 

Brooke started working in mental health in 2005 as a mental health case manager in Stillwater and the surrounding areas.  Throughout her career she has had the privilege of working in many different settings addressing a wide range of topics.  Brooke has had experience teaching parenting skills, working with domestic violence and sexual assault, teaching drug and alcohol classes and working with people diagnosed with severe mental illnesses. She has provided services to individuals, families, couples, and groups.  Brooke has been the supervisor of children’s outpatient services, a PACT Team Leader, and has facilitated psychiatric medication clinics for both children and adults. 

Brooke utilizes concepts from Solution-Focused therapy, Cognitive-Behavioral therapy, Reality therapy, and Person-Centered therapy in her practice.  She finds it valuable to look for small changes that can make a big impact with her clients in therapy.  She helps her client’s problem-solve issues that are barriers in their lives and helps them gain coping skills to help them manage their stressors. 

Brooke currently works full-time in a school-based setting and will be available for appointments on Saturdays.  She is also available for LPC supervision.