John Aguirre

Michael Clyde, a partner in the firm's litigation practice, has more than 30 years of experience in securities, corporate governance, professional liability, antitrust and other complex litigation. He has represented securities issuers, directors, officers and professionals in a wide variety of litigation involving securities, corporate governance and financial disclosure and accounting issues. In December 2009, Michael was lead trial counsel for craigslist, Inc. in eBay v. Craig Newmark, whe...

Lawrence I. Kazan is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and DUI / DWI Defense. Lawrence I., who practices law in Phoenix, Arizona, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lawrence I. is held by other top lawyers in the same geographic and legal practice area.

Shareholder David Villadolid is the senior partner in the firm’s Employment Law section and is recognized as an AV® Preeminent™* 5.0 out of 5 peer review rated attorney in Martindale-Hubbell. With more than 37 years of legal practice, David successfully advises companies, executives, and management on a broad spectrum of business and employment issues including compliance with state and federal laws and regulations. Clients express confidence in David’s ability to provid...

Joe Roth is a member of the firm’s litigation group. Joe’s practice focuses on governmental investigations and litigation, complex commercial litigation, and appeals. Joe represents governmental agencies and officials, companies, and individuals in litigation and when being investigated by federal and state agencies. He also maintains an active complex commercial litigation practice, with a focus on securities and antitrust. Appeals are a significant part of Joe’s practice. ...

Tyler M. Cobb is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Public Finance Law. Tyler M., who practices law in Phoenix, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tyler M. is held by other top lawyers in the same geographic and legal practice area.

Lance R. Broberg is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Lance R., who practices law in Phoenix, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lance R. is held by other top lawyers in the same geographic and legal practice area.

John B. Weldon, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Natural Resources Law and Water Law. John B., who practices law in Phoenix, Arizona, has been recognized since 1993. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John B. is held by other top lawyers in the same geographic and legal practice area.

Stan practices environmental law with an emphasis on complex federal Superfund sites in the eastern and western United States, air quality compliance, and environmental auditing. He has provided compliance and auditing services for facilities in over 17 states and Canada. His work includes remediation and air quality compliance on Native American lands. Stan was actively involved in major Arizona air quality developments, including negotiating the Arizona Comprehensive Air Quality Act and lea...

Katherine A. Beck is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Katherine A., who practices law in Phoenix, Arizona, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine A. is held by other top lawyers in the same geographic and legal practice area.

M. Byron Lewis is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Natural Resources Law and Water Law. M. Byron, who practices law in Phoenix, Arizona, has been recognized since 1995. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which M. Byron is held by other top lawyers in the same geographic and legal practice area.