PATIENT PORTAL. RESOURCES. CONTACT US. BLOG. More. Tiffany Vandergriff, LMSW. 832-303-8933 ext 711 tiffany@juliascounseling.com . Supervised by Brittani Persha, LCSW-S, RPT-S. About Me . Tiffany Vandergriff is a Licensed Master Social Worker. She is trained in Trust-Based Relational Intervention (TBRI) and Cognitive Processing Therapy (CPT)..