Our Team

Dr. Amanpreet Randazzo

Dr. Amanpreet Randazzo is a licensed clinical psychologist and President of AR Psychological Services. She earned her clinical psychology degree from the Florida Institute of Technology in Melbourne, Florida. After completing her post-doctoral Geriatric fellowship training, she founded AR Psychological Services, a private psychological practice with offices in Southlake, Dallas and Denton. Dr. Randazzo’s clinical training principally focused on adult psychopathology, eating disorders, and geriatrics. She has worked extensively with couples and families, including marriage and family counseling.

Dr. Karen McDowell

Dr. Karen McDowell is a clinical and counseling psychologist in the state of Texas. She completed her doctoral work at Texas Woman’s University, where she was trained to provide culturally competent, identity-affirming, and justice-oriented psychological services. She specializes in providing affirming assessment and therapy for people with diverse gender, sexual, and relationship identities, and has also received specialized training in the assessment and treatment of psychological issues for the Deaf. She provides academic and psychological assessment, capacity evaluations, medical consultation, and therapy in the Denton and Southlake offices. Dr. McDowell is a Nationally Certified Interpreter and can provide services in a variety of sign modalities.

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More information available at Dr. McDowell's website, here.

Christi McDonald, LPC

Christi McDonald, LPC, graduated from Tarlton State University in 2014 with her Master’s in Family Counseling. She uses a combination of client-centered therapy and solution focused therapy during her sessions. She loves helping people to discover their internal locus of control, or the extent to which they believe that they have the power over current situations, and assisting them in creating the changes that they would like to see in their lives. She has experience working with individuals from 3 to 83 years in age. During most of her therapeutic experiences with children and adolescents, she has been able to use her training in play therapy and incorporate art during talk therapy. She also has training and experience in group settings.She follows a positive, nonjudgmental, acceptant attitude toward whatever you are experiencing and will facilitate your self discovery with respect and compassion.

Morgan Fitzgerald, MA, LPC, LCDC

Morgan Fitzgerald, LPC, LCDC, received her Masters of Counseling from the University of Denver and her undergraduate degree from The University of Central Oklahoma. She has experience working with people of many ages and backgrounds in different settings, including group, individual, couple and family counseling. She specializes in anxiety disorders, interpersonal disconnect, addiction related issues, depressive disorders and complicated grief/loss. Through her experience in working with adolescents, she has been able to use her knowledge of addiction related issues for both the client and others effected by it. She ascribes to a non judgmental Client Centered and Cognitive Behavioral approach to psychotherapy.

Terry Beck, LCSW

Terry Beck is a Licensed Clinical Social Worker who received her MSW degree from the University of Southern California. Upon her graduation she continued her training as a fellow at Kaiser Permanente  Hospital, Dept. of Psychiatry. Terry has over 25 years of experience providing psychotherapy to those who struggle with Depression, PTSD, Relationship Issues, Sexual Identity Issues, Grief, Self-Esteem Issues, Anger Management, and Life Transitions. Her theoretical orientation is strength-based, client-focused psychodynamic therapy.

Dr. Angela Scott-Mason

Dr. Angela Scott-Mason earned a Doctor of Psychology degree from the Texas School of Professional Psychology and a Master of Science degree in Mental and Behavioral Health from Mississippi College. She has extensive training in psychotherapy and neuropsychological testing. She has experience working with children and adults including geriatrics.  Her predoctoral and postdoctoral training was primarily focused in neuropsychological testing for degenerative brain diseases and traumatic brain injuries. She also has experience providing psychotherapy for a variety of concerns including but not limited to phase of life changes, depression, grief, anxiety, low self-esteem, and caregiver stress.  

Dr. Nadia Hasan

Nadia T. Hasan, Ph.D. is a licensed psychologist in the state of Texas. She earned her doctoral degree in counseling psychology from the University of Akron and she completed her post-doctoral work at the University Counseling Center at Texas A&M University- Corpus Christi. Dr. Hasan provides individual and group counseling to adults. She treats a variety of psychological conditions including depression, bipolar disorder, mood disorders, anxiety disorders, OCD, panic disorders, grief/ loss, trauma, low self-esteem, academic stress, career counseling, social identity concerns (racial, ethnic, sexual), interpersonal issues, family concerns, personal growth, and psychological wellbeing. Dr. Hasan also provides psychological assessments/ evaluations for adults experiencing symptoms of ADD/ ADHD, learning disabilities, PTSD, dementia, and other psychological disabilities. She utilizes an integrative counseling approach including multicultural, cognitive-behavioral, and interpersonal techniques.

Dr. Hasan is active in professional organizations and leadership activities. She is a member of the American Psychological Association, the Society of Counseling Psychology, and the Texas Psychological Association. 

Dr. Sarah Hobbs

Dr. Sarah Hobbs is a licensed psychologist in the state of Texas. She earned her doctoral degree in counseling psychology from Texas Woman's University. Following graduation, she completed post-doctoral training in Dallas focused on diagnostic assessment. She has extensive training in psychotherapy and has specialized training working with trauma, severe mental illness, crisis counseling, adult AD/HD, anger management, military psychology, substance use, and women's reproductive issues. She provides psychological assessments/evaluations for adults and children experiencing symptoms of mood disorders, AD/HD, learning disabilities, and other psychological concerns.

Monique Champagne

Monique Champagne, LPC Intern and EMDR-trained therapist, graduated from Texas Woman's University in 2017 with her Masters in Counseling Psychology. She is fluent in both English and American Sign Language (ASL) and holds both state and national certifications as a sign language interpreter (BEI-IV and RID-NAD Master).  She specializes in providing identity-affirming counseling from a feminist-multicultural perspective and works collaboratively with individuals to improve relationships, increase authenticity and self-awareness, gain healthy coping skills, and explore personal values, identity, and spirituality

Dr. Andrea Slaughter

Dr. Andrea Slaughter is a licensed psychologist and was born and raised in Plano, Texas. After graduating summa cum laude and obtaining her Bachelor of Science degree from Florida Agricultural and Mechanical University, she continued at the University of Kentucky where she earned a Ph.D. in Clinical Psychology. During her matriculation, Dr. Slaughter attained numerous authorship credits in scholarly journals, clinical textbooks, and conference presentations focused on her area of interest—providing culturally competent therapy services to a diversifying population. Andrea returned to the DFW metroplex in 2008 to complete her clinical training at the Federal Medical Center in Fort Worth and has continued offering services in DFW since that time.  

Since gaining licensure with the Texas State Board of Examiners of Psychologists in 2012, Dr. Slaughter’s passion for helping others to help themselves has flourished in counseling centers and hospital settings. She enjoys working with women and girls, training others to use relaxation skills to cope with anxiety, and empowering patients with assertive communication skills.

Andrea is married to her husband of almost two years and has one sweet, chubby 6-month-old baby.  In her free time, Andrea is an avid fan of music and dance, and loves brunch! As a proud Texas native, Andrea is excited to have the opportunity to share moments with her family, thrive in her career, and impact positive change in her community.

Robbie Merrett

“Change is possible”, I believe each individual has the ability to make changes in their lives by
drawing from their unique strengths and experiences.


Robbie Merrett is a passionate scholar-practitioner in the field of counseling. He is a Licensed Professional Counselor (LPC). He has a master’s degree in Counseling and is currently striving to complete my doctorate in Clinical Psychology. Prior to becoming a counselor, he worked in the criminal justice system for over 20 years, first as an adult probation officer, later as a counselor working with offenders on an array of issues ranging from substance abuse to mental health issues.
He provides cognitive-behavioral therapy (CBT) and other evidence-based treatments to adolescent as well as adult clients with a wide range of emotional, behavioral, and adjustment problems, such as anxiety, stress, depression, substance abuse, and relationship problems.

Goals For Our Work Together

His number one goal is to create a collaborative, culturally-sensitive and compassionate space in
which he offers personally-tailored interventions for your set of circumstances while working with you to identify and utilize your own strengths to bring about positive change in your life. 

Aela Culver

Aela Culver is our office manager and resident cat-herder. She uses her creativity and organizational skills to keep things running smoothly. She has a passion for wildlife, hiking, camping, and music. Outside of the office, she volunteers her time on the board of directors for In-Sync Exotics, a local exotic cat rescue and sanctuary. Lion, tigers, and bobcats - oh my!

Lauren Ly

Lauren Ly is also an office manager here at AR Psych. With three thriving offices around the metroplex, it takes two! She works hard to maintain an office that is just as efficient as it is welcoming. In her minimal free time, Lauren enjoys being active in the Denton LGBTQIA and Art/Performance communities. She lives with her husband, two roommates, a sweet cat, and soon-to-be Instagram famous unruly pack of silly mutts.