Jason Karpel

Lee practices environmental law relating to water quality, water rights, environmental compliance auditing, solid and hazardous waste, mining and mined land reclamation and remediation, toxic substances and Superfund matters. With nearly 25 years experience, Lee has a nationally-recognized water quality practice and works closely with his clients on the federal, state and local levels to develop workable strategies to promote development and expansion of both industrial and mining operations....

For nearly 30 years, Chris has focused his practice on high-profile civil and criminal environmental investigations and enforcement actions throughout the United States. A nationally-recognized Resource Conservation and Recovery Act (RCRA) practitioner, Chris represents national trade associations, oil and gas companies, manufacturers, and mine operators on issues involving the identification and management of solid and hazardous wastes, financial assurance, corrective action, permitting, boi...

David Black has been handling civil and criminal litigation matters throughout Arizona for the past decade. He received his B.S. from Arizona State University in 2004, summa cum laude , obtained his law degree from UCLA School of Law in 2007, and worked as a prosecutor prior to going into private practice. Today, David focusses his practice in the areas of criminal defense and DUI defense. His trial and motion practice extends to all corners of the State of Arizona and now includes California...

Mr. Fradkin has extensive trial experience in the areas of medical and professional malpractice defense, products liability, personal injury defense, and insurance defense. He focuses his practice on the defense of physicians, hospitals, and other medical professionals in medical malpractice cases. His clients include medical malpractice insurance carriers, including the largest medical liability insurer in Arizona, as well as several self-insured hospitals and medical centers across the Phoe...

Stephanie Fierro is a problem solver. A partner in Keller Rohrback’s Phoenix office focusing on business and estate matters, Stephanie uses her substantial skillset to dissect and analyze the problems that her clients bring her in order to find solutions that put them in the best position possible. Stephanie firmly believes that proper preparation on the front end of an issue helps avoid difficulties on the back end when emotion might otherwise interfere. She applies this philosophy whe...

Walter Howl is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Real Estate Law. Walter, who practices law in Phoenix, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Walter is held by other top lawyers in the same geographic and legal practice area.

For over 40 years, Otto has helped individuals, business owners, and employers comply with and plan for laws and regulations related to federal and state taxation, employee benefits, and executive compensation. He assists clients with audits, investigations, and regulatory disputes related to these areas, and advises businesses and their owners regarding business transactions and long-term business succession and estate planning. Otto also has significant experience in federal procurement reg...

Andy is a litigator and election lawyer who assists clients in complex commercial matters, election disputes and compliance, appeals, and matters involving state and local governments. He has also helped clients throughout Arizona in matters arising under the state’s Public Records Law. In addition, Andy maintains an active pro bono practice, which has included litigating tort claims on behalf of a group of refugee farmers, successfully representing individuals appealing orders of remov...

Steven N. Berger has focused his career on resolution of complex business disputes through effective representation of clients in bankruptcy or other reorganization proceedings, loan workouts, litigation and business transactions. He co-founded the firm in 1999 after gaining experience as an associate and partner at two of Arizona’s largest law firms. He has extensive experience in representing parties involved with troubled loans or troubled businesses, and has represented lenders, les...

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...