Meet Our Professionals


Our experts are the finest in their field, so that you have access to the best possible support.

Each of our professionals offers a unique style and approach, and we all specialize in helping neurodiverse clients, including those who are gifted, highly sensitive and/or intense people of all ages (children, teens, adults, older adults).


Please scroll down and click on the photos or descriptions below to learn more (see our full bios).

If you would like help in determining which clinician may be an especially good fit for you, just let us know, and we would be happy to assist. TheraThrive is open by appointment only, whether for assessment, a single counseling session or ongoing support. Please complete our appointment request form, call us at 925-954-6229, or email us to ask questions. We are here for you!

Katie Malone, LPCC, LMFT

Lead Therapist, Clinical Supervisor

Katie is a kind, interactive and strength-based therapist who provides psychotherapy services to those seeking to improve themselves and their outlook on life, and is experienced at treating a spectrum of challenges and disorders.

Doug Ronning, LMFT, RDT/BCT

Licensed Therapist, Clinical Supervisor

Doug is an attentive, sensitive, compassionate, respectful, and direct therapist who helps people of all ages (children, teens, adults). He is deeply committed to providing quality care and resources to help you (and/or your family member) lead a more productive, connected, and authentic life.

David Millen, LMFT Licensed Marriage and Family Therapist at TheraThrive online therapy and Lafayette office

David Millen, LMFT

Licensed Therapist

David Millen, LMFT, is an empathetic and creative therapist who uses non-directive play therapy and other modalities to support clients to communicate better in their friendships and relationships, and to grow in self understanding and self-esteem. He also believes in supporting his clients to build community cohesion and awareness.

Wendy Rolon AMFT Associate Therapist at TheraThrive in Lafayette, CA and online

Wendy Rolon, APCC, AMFT

Associate Therapist

Wendy Rolon is warm, caring, smart and thoughtful therapist who takes a strength-based integrative approach. She works with children, teens and adults, and offers tangible skills for the present moment, helping you to honor your unique paths to finding the insights that will carry you forward as you build a peaceful and fulfilling future.

Chelsie Crilly, AMFT, Associate Therapist at TheraThrive in Lafayette, CA and online

Chelsie Crilly, AMFT

Associate Therapist

Chelsie, AMFT, is a firm believer that healing occurs through authentic, compassionate, and safe relationships. They work with children, teens and adults, and build connections in a fun, artistic and meaningful manner. Chelsie integrate core principles of trauma-informed care and approach each client as resilient, creative, and strong. Chelsie is committed to recognizing clients’ pain while simultaneously holding hope for their future.

Fritz Bixler, Outreach and Social Media at TheraThrive

Fritz Bixler

Outreach, Social Media, Social Groups

Fritz facilitates social groups and educational groups, such as our Role Play Game (RPG) social groups. They also provide outreach and are in charge of our social media.

Grace Malonai, PhD, LPCC, BC-TMH

Director, Therapist, Clinical Supervisor

Dr. Grace has focused on learning about giftedness, high sensitivity, and sensory issues with the gusto of a highly educated, information-seeking momma bear (that’s a lot of gusto). Over 20 years of this study has allowed her to successfully assist many highly sensitive, intense, gifted children, their parents, and families.