Pasadena-based Guidance Software, a provider of software for compliance and e-discovery, said Thursday that it has named three new board directors. Robert G. van Schoonenberg of Avery Dennison Corporation, Stephen Richards, former CFO and CEO of McAfee and CFO of E*TRADE Group, and Marshall Geller of St. Cloud Capital have all joined the board. Guidance Softare develops software used for electronic discovery, corporate governance, and compliance.