TREES has over 40 years of experience assisting culturally diverse populations, offering Social Services, Counseling, and Life Skills Management Services. TREES’ staff is uniquely qualified to provide these services to our communities. TREES Co-Founder Mrs. Diana Thomas possesses a Master’s Degree in Education/Counseling with a Pupil Personnel Service Certificate from the University of Redlands. TREES Co-Founder Mrs. Linda Thomas, holds a Masters of Social Work from the University of Cal State San Bernardino, with a Substance Abuse Disorder Certification.