We provide arbitration consulting, expert witness, litigation support, strategy, and hearing testimony to private practice attorneys, in-house counsel, and securities regulators litigating securities industry related claims protecting their clients against litigation. David has been providing litigation and expert witness services since 2000 The Tilkin Group has been singly involved with litigation support and providing expert witness services since 2008. The efforts of the Tilkin Group have supported both private practice attorneys litigating against the securities industry and supported the efforts of financial service firms in their defense of claims. David has testified in numerous cases around issues of suitability, supervision, raiding and sales practice. David has published numerous articles on the issues of suitability, supervision and financial services software. Testimony has been presented at FINRA, AAA, JAMS and the Securities and Exchange Commission.