

Hi! I am Isabelle, a Licensed Clinical Social Worker (LCSW) in Denver, CO. I offer therapy to adults (18-70+) looking for support improving their self-esteem, sense of self, and self-worth. I treat individuals experiencing depression, anxiety, post traumatic stress disorder (PTSD), obsessive compulsive disorder (OCD), and other co-occurring mental health challenges.
I’m a Licensed Clinical Social Worker with experience across private practice, inpatient, and outpatient settings. I’ve worked with adolescents and adults navigating anxiety, depression, trauma (PTSD), eating disorders, substance use, and co-occurring disorders, providing individual, group, and family therapy.
Katherine Castelo, LCSW is a licensed therapist and certified clinical supervisor in Virginia, Texas, Florida, West Virginia, Indiana, Maryland, and Colorado. With over 25 years of experience, she specializes in trauma, military and veteran mental health, first-responder wellness, grief, deployment-related stress, and major life transitions.
A former Marine Corps veteran spouse, Katherine brings lived experience and deep cultural understanding to her work. She has served across the DoD, VA, nonprofit, and civilian sectors, providing high-level clinical care, consultation, and program leadership.
She previously oversaw a Defense Health Agency program for transitioning service members and served as the U.S. Army Reserve Psychological Health Program Director, leading outreach for more than 200,000 soldiers and families and advising on post-suicide psychological autopsies as part of the USAR Fatality Review Board.
Katherine also worked as a civilian Employee Assistance Program (EAP) manager for the U.S. Navy and as a casualty assistance consultant for NCIS, developing programs focused on readiness, crisis response, and deployment-cycle support.
As founder of Awaken Wellness Center, her practice centers on trauma recovery, crisis intervention, and integrative therapies. She is trained in Brainspotting, IFS-informed work, and trauma-responsive care, and has provided trainings for service members, clinicians, and community providers on PTSD, MST, suicide prevention, and Brainspotting.
Today, Katherine consults with the SAFE Project’s SAFE Veterans initiative and teaches caregiver wellness classes with Semper Fi & America’s Fund, bringing compassionate, evidence-based, culturally grounded care to military members, veterans, first responders, caregivers, and their families.
I am accepting new clients for tele-health appointments. I provide medication management for: anxiety, depression, bipolar, and/or ADHD. I have after-hour appointments and Saturday availability.
Two personal virtues I value greatly are learning and curiosity. I will bring these two attitudes to the therapy room and with you to ensure that we develop concepts and theory that fits your experiences. I am currently completing my PhD in Counselor Education with my dissertation focusing on neuroscience-informed treatment. Our internal signals are as powerful as our external reactions. Together, we can use these techniques to quantify treatment!
I started out working in college sports as a trainer and eventually began consulting with athletes and coaches after graduate school. My career path later took me through 10 years with an ambulance service, 2 years as a community service officer and 4 years as a crisis counselor embedded with a police department. I've also spent a considerable amount of time teaching psychology as a college professor. Because of this rather unique skill set, I have a heart for athletes, rescue workers and students.
Welcome! First and foremost, I am honoring you for taking this step. You're ready for a change. There's a craving for deep healing on your journey towards wellness. You want to gain understanding and insight, resolve inner conflicts, improve relationships, explore unconscious patterns, and transform into the most empowered version of yourself. You may be looking for tools for self-regulation, as well as ways to integrate your mind, body, and heart. If you've been grappling with larger questions about yourself or your life and are ready to take the next step, you've come to the right place.
Greetings and thank you for checking out my profile! I've worked with kids, teens, adults and families for over 20 years, and have a passion for helping people feel better.


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