National Live Scan Association

FEND Securities Expert Witness, led by Mason A. Dinehart III RFC, is a seasoned expert witness firm in Los Angeles that specializes in securities litigation and arbitration across the United States. With a track record of 358 wins and 39 losses, the firm provides objective and knowledgeable testimony informed by four decades of extensive experience in the securities industry, including roles in corporate finance and investment banking, as well as a strong educational background in modern portfolio theory. Recognized as the designated securities expert witness for the California State Bar, Dinehart combines technical knowledge and effective communication to offer comprehensive evaluations of due diligence, sales practices, and risk factors associated with securities. FEND's success is bolstered by a robust methodologies framework that includes detailed forensic accounting and high-impact demonstrative exhibits, ultimately contributing to a 90 percent success rate in expert witness cases. Generated from the website