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Thank you for visiting my website and allowing me the opportunity to tell you a little about myself and my practice in Anaheim Hills, California.


I am a Licensed Marriage and Family Therapist and psychology professor at Chapman University. I am also a mother of two and a wife.


I obtained my Doctoral degree in Education (Ed.D) with an emphasis in teaching Counseling Psychology, my Master of Arts (MA) in Counseling Psychology, and my Bachelor of Arts (BA) in Behavioral Science.

It is the most fulfilling to share what I've learned and practiced with others. I often speak at psychology related events, conferences, and host my own retreats where I teach self-development tools and promote spiritual growth. 


At a young age I began to explore and embrace my spirituality. I fell in love with the process of self-healing through modalities such as psychotherapy, clean eating, exercise, meditation, and intention setting. It became clear to me that my life purpose was based on helping others unlock their full potential.  


I feel aligned, inspired, and filled up with JOY when I am doing this work. 

In order to consistently be the truest version of myself, I attend to my own healing daily. 

At its root, therapy is a unique relationship between the client and the therapist. It is an intimate and vulnerable process to open up and share oneself in this way. It is my honor to be a therapist, a role I approach humbly as we walk together on your journey of personal growth and total well-being.

In honor of yesterday being #internationalyogaday and today being Thursday, here's a #thro


“Dr. Diaz taught me to believe in and focus on the Divine light inside of me, and how to use that to guide my life toward the positive. I believe we all need people who see our gifts and strengths and believe in us, especially during dark times when they can reflect our light back to us. I am so appreciative of all the ways she has done that for me." -Andrea H.


"Dr. Diaz's seminars have really challenged me to look inward and grow. She makes me feel safe but challenges me to think deeply about a lot of things. She has taught me so much about mindfulness and meditation." -Anne F.

“I learned so much in Dr. Diaz's class. What I learned wasn't so much from the content, but rather from her presence and feedback. I truly feel myself healing and growing into a better person since incorporating the techniques she taught us.”       -Art N.

“Dr. Seima has taught me so much about the importance of being ‘present’ in any season of my life and learning from trials.  Her work is so real and dynamic.” -Jenn B.

“I was really looking forward to taking Dr. Diaz's class. I heard from other students that her classes challenge students to grow in their interpersonal skills. I'm very content with how much I learned from her on not only a personal level, but also  how to integrate spirituality into my own therapy practice one day.” -Faye T.

“Dr. Seima Diaz is extremely knowledgeable and teaches important aspects related to social and emotional health. Her ability to connect and develop positive rapport facilitates a deep learning process, which opens the door to the healing process. Her presence is extremely valuable as she walks along side those who are dealing with difficult circumstances.  Through the connections she establishes, she is able to impact lives in a positive way. I am truly amazed on how understanding she is of peoples emotional needs, as well as the attention she gives to those who need support…her words truly came from the heart.” -Danny O.

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