Ann Yvonne Walker served as a corporate securities lawyer at Wilson Sonsini Goodrich & Rosati in Palo Alto from 1979, following her graduation from law school, until her retirement in 2014. She is currently a retired partner of the firm. During her tenure, Ann primarily represented high technology companies in Silicon Valley and specialized in corporate and securities law, including public offerings, mergers and acquisitions, corporate governance matters, and general corporate representation, with a particular emphasis on public company disclosure obligations and SEC compliance issues. Special areas of expertise included SEC reporting requirements, Rule 10b5-1 plans, Section 16 of the Securities Exchange Act of 1934, and executive compensation disclosure.

Ann is an active member of the Federal Regulation of Securities Committee of the Business Law Section of the American Bar Association and is currently serving as chair of its Disclosure and Continuous Reporting Subcommittee. She also is a member of the subcommittees on: Small Business Issuers; Employee Benefits, Executive Compensation, and Section 16; Securities Registration; Proxy Solicitations and Business Combinations; and Securities Law Opinions. She has served on drafting teams for many comment letters on SEC proposals, including those relating to the JOBS Act of 2012, the Dodd-Frank Act of 2010, the Sarbanes-Oxley Act of 2002, the Section 16 rules, the executive compensation disclosure rules, Form S-8, Rule 701, securities offering reform, and the rules for smaller reporting companies and emerging growth companies.