Addiction Recovery Begins Here

Casey Portner LMHC, CAP

Primary Therapist and Clinical Director

Casey Portner LMHC, CAP is the owner and director of all counseling services at CSWFL and the Cypress West  therapy program. Casey is a Certified Addictions Professional who received his bachelor’s degree in Psychology from the University of Central Florida and his master’s degree in Counselor Education from Florida Atlantic University. Casey has completed focused course work on the physiological aspects of drug addiction and human psychology, as well as received extensive training on counseling for co-occurring disorders. Casey specializes in the provision of Individual, group and family therapy, and has provided these therapies in both an outpatient and hospital setting.

Therapeutically, Casey employs an eclectic approach utilizing evidenced based practices proven in facilitating the change process in the lives of those dealing with addictions. These practices include Motivational Interviewing, Cognitive Behavioral Therapy, Stages of Change Model, Solution Focused Therapy and the Twelve Step Model. It is Casey’s belief that the change process occurs differently for everyone and a key to success is to match the appropriate technique or combination of techniques with the individual seeking help. Casey is gifted in his ability to connect with the individuals he works with through the creation of a partnership grounded in trust and mutual respect. By creating a safe, warm and empathic space, coupled with the skilled application of the above techniques Casey has been extremely successful in helping individuals overcome their addictions and the many problems that accompany them including interpersonal, educational, familial, relational, occupational and financial.

CSWFL is excited to bring Casey and his over 13 years of experience working with adolescents, young adults and adults struggling with addiction and co-occurring disorders to Naples.


Melissa Turvey Seabury, LMHC

Primary Therapist

Melissa is a Supervisor and Primary Therapist at both of our Airport Road South and Golden Gate locations in Naples, Florida.  She holds a Master’s degree in Clinical Mental Health Counseling from Hodges University and has been working in this field for the past four years.  Melissa continues to broaden her education and is currently working towards her EMDR certification. As a Counselor, Melissa has worked with individuals with domestic abuse, sexual abuse, substance abuse, and trauma. She is often called to advocate for her clients and has experience working in conjunction with case managers, the judicial system and other health-related professions.

Melissa also has experience with diagnoses such as anxiety, depression and Bi-Polar Disorder. Her clientele includes children, adolescents, and adults in both individual and group settings.  Melissa’s therapeutic focus is person-centered and strength-based. She believes in an eclectic approach in order to meet the client where they are and use the appropriate strategies that will assist them in achieving both their short and long-term goals.



Andrew Pierce, MA, CAP

Primary Therapist

Andrew Pierce graduated with an Advanced Practice Master’s degree from the premier addiction counseling program in the world, the Hazelden Betty Ford Graduate School of Addiction Studies in Center City, MN. He was the second student in the school’s history to be invited to lecture to the entire patient population and had an A+ GPA.

Andrew has thousands of hours of clinical experience helping those with addiction and co-occurring disorders such as anxiety, depression, ADD/ADHD and codependence get what they want out of life. Andrew is also a person in long-term recovery who can relate to the experiences his clients are going through, which is beneficial on many levels.

He loves working with family members and those in relationships with people in active addiction, or who may be in relationships with those in the recovery process. Working with this population is important because, ultimately, recovery and counseling are about creating the conditions for healthy relationships and human connection, which is where love resides.



McKenzie Liskey, RMHCI

Primary Therapist

McKenzie Liskey, RMHCI

McKenzie Liskey is a Registered Mental Health Counselor Intern with the state of Florida. McKenzie graduated from Florida Gulf Coast University with a Master of Arts degree in Clinical Mental Health Counseling in 2020. She graduated from the University of Florida in 2018 with a Bachelor of Science degree in Family, Youth, and Community Sciences. She is currently working towards obtaining her clinical hours in order to become a Licensed Mental Health Counselor in the state of Florida.

McKenzie has experience with drug/alcohol addictions, anxiety, depression, PTSD/trauma, and stress management. McKenzie started her professional internships working in substance abuse counseling, conducting both individual therapy and relapse prevention/substance abuse education group therapy. McKenzie also has experience working with adolescents who suffer from PTSD and complex trauma.

McKenzie practices an eclectic approach that is tailored to an individual’s needs. She attempts to use a theoretical approach that fits with both the client’s personality and presenting issues in counseling. She likes to also focus on a client’s strengths as well as addressing the problems they are coming to counseling with. McKenzie strives to create a safe and comfortable space to focus on treating the whole person by addressing mind, body and spirit. McKenzie values having a strong client-therapist relationship where trust and empathy prosper.

McKenzie knew from a young age that she was “called” to be a mental health counselor and has been pursuing her calling ever since. She has a passion to serve others and strives to create a counseling experience that is inviting and warm. In her work with clients, she seeks to integrate both psychology and theology, when a client wants that as part of their therapy.


Amanda Bethurem

Primary Bilingual Therapist

Amanda Bethurem Headshot

My name is Amanda Bethurem and I am a primary bilingual therapist at Counseling of Southwest Florida and Therapy Treatment Team. I have received my master’s in clinical mental health counseling from Florida Gulf Coast University. I speak Spanish and English while providing services in person or through Telehealth. As a counselor, I have worked with individuals with emotional regulation, domestic abuse, sexual abuse, substance use, grief, and trauma. I also have experience working with diagnoses such as anxiety, depression, Bi-Polar, PTSD, eating disorders, and Body Dysmorphic Disorder. I primarily work with individuals but also offer Substance Abuse group in Spanish. I specialize in working with teens, young adults, and adults.I believe therapy is a collaborative process that utilizes evidence-based treatment while forming a therapeutic relationship to identify goals and objectives. My primary interventions for treatment come from CBT (Cognitive Behavioral Therapy), Narrative Therapy, EFT (Emotion-Focused Therapy), and DBT (Dialectical Behavioral Therapy). I am passionate about this field and serving my clients while providing a warm and welcoming environment. My overall goal as a therapist is to tailor treatment for each of my clients and to assist them in reaching their goals, obtaining healing, and living a healthier life.


Tyler Weber

Primary Therapist

Tyler Weber Headshot

My name is Tyler Weber and I am primary therapist at Counseling of Southwest Florida In Naples, Florida and Therapy Treatment Team in Fort Myers. Florida. I offer counseling in person and remotely to provide a variety of options to serve client’s counseling needs. I believe counseling is a collaborative process and I value developing a strong therapeutic relationship with clients to better assist them in reaching their treatment goals and objectives. I specialize in emotional regulation, domestic violence, trauma, and substance abuse. I also have experience counseling individuals seeking treatment for mood disorders, anxiety disorders, personality disorders, and paraphilic disorders. I primarily work with individuals, but also offer a group for Anger Management Counseling. My primary interventions for treatment come from Cognitive Behavioral Therapy (CBT), an evidenced based theoretical orientation that emphasizes the relationship between our thoughts, feelings, and actions.

If you feel I could be of service to you or someone you know please reach out to me and we can get you scheduled at my earliest availability. ”


Jessica Betten

Registered Clinical Social Work Intern

My name is Jessica Betten, and I an RCSWI. As a counselor, I have experience working with both individuals and groups. I specialize in the treatment of addiction and trauma.  Though my therapeutic focus is generally solution-focused and strengths-based approach, I am able to adjust to what modality best suits my client.  I have experience working with depression, anxiety, grief,  PTSD, and domestic violence. I believe the alliance developed through the therapeutic process is paramount to growth within our work together. I work hard to provide a safe space for my clients to become vulnerable and allow the necessary changes within themselves to occur for success within the therapy.






Riley Burke


Riley Burke Headshot

Riley Burke received her Master of Arts degree in Clinical Mental Health Counseling from Florida Gulf Coast University in 2022. She also graduated from FGCU in 2019 with a Bachelor of Arts degree in Psychology with a minor in Gender Studies. Riley has experience working with drug/alcohol addictions, anxiety, depression, and stress management/various life stressors. Riley is also very passionate about sexuality and sexual-related concerns. Riley started her professional internships and career working in substance abuse counseling, conducting both individual therapy and various group therapies including relapse prevention, medical assisted therapy, and substance abuse education group therapy. Riley is a firm believer in there is a “no one size fits all approach” and thus practices an integrative approach that is tailored to the individual’s needs. She attempts to use a theoretical approach that fits with both the client’s personality and presenting issues in counseling. Riley likes to use client-centered approaches, specifically focusing on strengths, in hopes to create a safe and comfortable space where growth can flourish.






Carina Rivera

Mental Health Counselor Intern

Carina Rivera Headshot
Hello, my name is Carina, and I am a Registered Mental Health Counselor Intern with the state of Florida. I graduated from Florida Gulf Coast University with a Master of Arts degree in Clinical Mental Health Counseling. I am a bilingual therapist who is passionate about working with children, adolescents, and young adults. This passion has led me to work with empowering children and adolescents at a domestic violence shelter and helped provide and create curriculum for theraplay-based groups for children. In private practice, I have experience with anxiety, depression, self-esteem issues, PTSD/trauma, stress, families, substance use, and behavioral related concerns. I believe that the therapeutic relationship and meeting your child where they are developmentally are key components in treatment.

As a therapist, I use an integrated approach where I collaborate and individualize each counseling style with the needs of your child, not limited to play therapy, person-centered therapy, CBT, SFBT, trauma-focused, attachment-based interventions, and more. My desire is to help reach your child’s goals while also consulting with you, the parent, and build a collaborative relationship to meet your child’s needs and provide a safe and caring treatment environment to work towards their mental health. I am looking forward to the opportunity to work with your family


Susan Conklin

Administrative Assistant

Susan joined CSWFL in December of 2018. Her strengths in compassion, punctuality, reliability and effectiveness have increased our ability to facilitate clients in getting their needs met. Susan has 15 years’ experience working with people and her passion for helping others shows in her interactions with the clients.

Susan is the initial point of contact at CSWFL’s Airport Road South location and has an awe-inspiring ability to make clients feel understood, comfortable, and accepted during the process of counseling. Susan is a welcome addition to our team.






Nicole Shannahan

Client Care Coordinator

Nicole Shannahan HeadshotNicole Shannahan is the Office Manager/Clinical Services Coordinator at the Naples location.  I perform a variety of tasks throughout the day.  Most importantly finding the best therapist for each clients’ specific needs.  Finding a therapist to meet your needs is our top priority at Counseling of SW Florida.  I have a master’s degree in education and have spent most of my career in the classroom.  My position as a teacher for many years allowed me to develop excellent interpersonal skills and ability to build relationships and I have a passion for finding efficient ways to getting things done. I have extensive experience in all administrative tasks, including scheduling and correspondence.