Sunday, November 24, 2019 Wharton: Getting Law Firms To Use Analytics Knowledge@Wharton, The Next Legal Challenge: Getting Law Firms to Use Analytics: Dave Walton is among the rarest of lawyers, one who is dedicated to expanding the use of big data and predictive analytics in the legal field. It’s a tough challenge because the sector is inherently risk-averse. But Walton, chair of Cyber Solutions & Data Strategies at Philadelphia-based Cozen O’Connor, is determined to effect change in the sector.