Darren M. Clausen

Patricia V. Waterkotte is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Patricia V., who practices law in Tucson, Arizona, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patricia V. is held by other top lawyers in the same geographic and legal practice area.

Walter B. Nash III is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and Criminal Defense: White-Collar. Walter B., who practices law in Tucson, Arizona, has been recognized since 2001. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Walter B. is held by other top lawyers in the same geographic and legal practice area.

William E. Strickland, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Gaming Law and Native American Law. William E., who practices law in Tucson, Arizona, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William E. is held by other top lawyers in the same geographic and legal practice area.

Joshua Hamilton is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and Criminal Defense: White-Collar. Joshua, who practices law in Tucson, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joshua is held by other top lawyers in the same geographic and legal practice area.

Leighton Rockafellow Sr is a native of Geneva, Illinois. Leighton attended Southern Illinois University for two years and earned his undergraduate degree in Business Administration from the University of Arizona. Leighton continued his education and earned his Juris Doctor degree from the University of Arizona School of Law now known as the James E Rogers School of Law. Leighton is admitted to practice before all Arizona Courts, the Federal Court of Appeals, 9th Circuit and the U. S. Supreme ...

EXPERIENCE : Twenty-two (22) years practicing exclusively in the area of U.S. Immigration and Nationality Law. SPECIALTY : Priority workers, intra-company transfers, outstanding researchers, national interest waivers, labor certifications, corporate compliance, employer sanctions defense, family-based immigration issues, naturalization issues, immigration appellate and judicial review issues. PROFESSIONAL ACHIEVEMENT : Has written and lectured extensively on immigration and other law, both in...

Mark Lammers is a Partner with extensive experience in all types of civil litigation.He has litigated in state and federal courts including Arizona appellate courts and the Ninth Circuit of the Court of Appeals. Mark has also litigated many cases before various state agencies and tried many cases before arbitration panels including AAA arbitrations and arbitrations before the Financial Industry Regulatory Authority (FINRA). Mark started his legal career at the Pima County attorney’s off...

Matthew Green is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice. Matthew, who practices law in Tucson, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew is held by other top lawyers in the same geographic and legal practice area.

Tim Reckart’s law practice focuses on general commercial and corporate matters, with an emphasis on the representation of emerging growth, technology-based companies, and intellectual property transactions. He has soundly addressed legal matters pertaining to entity formation, capital structure, venture capital, private equity financing, private mergers and acquisitions, product distribution agreements, e-commerce service agreements, joint ventures and strategic alliances, compliance wi...

Marco Mercaldo is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Marco, who practices law in Tucson, Arizona, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marco is held by other top lawyers in the same geographic and legal practice area.