Keith Kosierowski is a seasoned professional with over 25 years of experience helping individuals, couples, teens and families navigate life’s most challenging transitions. As a licensed counselor, certified trauma therapist, trained clinician, divorce and family mediator, and parenting coordinator, he specializes in reducing emotional stress, improving relationships, guiding life transitions, and resolving high-conflict family dynamics.
Expertise & Approach
With a background spanning counseling, mediation, coaching, and parenting coordination, Keith brings a comprehensive understanding of both emotional and logistical challenges in relationships, parenting, and personal growth. He holds a Master’s degree in counseling and advanced training in developmental and relational trauma therapy (DART), divorce and family mediation, parenting coordination, and collaborative divorce law.
Since 2008, Keith has run a thriving private practice in Massachusetts, supporting clients both locally and internationally. His practical, solution-focused approach integrates strength-based methods, trauma-informed strategies, and his proprietary holistic “Wheel of Balance” model, which highlights 12 essential habits for personal well-being.
His work often intersects with legal professionals, educators, and medical experts to create holistic, multi-disciplinary support systems for individuals and families. He is a member of organizations including AFCC, MAGAL, and the South Shore Coalition of Independent Therapists (SSCIT).
Specialties
Keith provides expert support in:
Trauma recovery, stress management, and relationship support
High-conflict dynamics, including those impacted by narcissistic traits, behaviors and trauma bonding
Couples counseling, divorce coaching, and parenting coordination
Reject/refuse parent-child dynamics and family reunification support
Life transitions and executive function coaching Anger management, emotional resilience, and conflict resolution
As a sought-after speaker and consultant, Keith frequently educates school and medical professionals on best practices for working with children, behavior management and families in transition.
Beyond Work
A devoted father of two, Keith enjoys sports, cooking, golf, camping, and political discussions. His personal philosophy of balance, simplicity, and intentional living informs both his work and daily life.
Why Vesta?
Keith joined Vesta to expand his impact, aligning with an organization that prioritizes education, clarity, and empowerment in the divorce process. His ability to simplify complex emotional dynamics, de-escalate conflict, and foster healthy co-parenting relationships makes him a vital resource for individuals seeking stability, confidence, and peace of mind in their next chapter.
Click here to learn more about Keith Kosierowski
Email: keithkos1@gmail.com
Tel: (978) 239-2193
Click here to schedule an appointment
Click here to learn more about the Boston Hub Professional Divorce Team
