David J. Klink

Valued by clients for his ability to analyze and respond to complicated commercial litigation, David has built a strong practice representing Fortune 50 companies in state and federal courts. He focuses on a wide range of complex litigation, including securities and intellectual property litigation, class action claims, as well as other large commercial disputes. He has provided regular counsel to large public companies facing lawsuits in Arizona who value his ability to advocate both in oral...

Since 2009, Mark Worischeck has served as the firm's President and Managing Shareholder. Mr. Worischeck has earned Martindale-Hubbell's highest AV® Preeminent™ rating. He has been recognized as one of Arizona's Finest Lawyers and selected to be included in Best Lawyers in America for 2013-2022 for his work in aviation law, commercial and construction litigation, insurance law, insurance litigation, personal injury and product liability litigation. He was also named by Best Lawyers a...

DANIEL G. DOWD is a Partner and the President of Cohen Dowd Durchslag. For three decades, Dan has practiced in the areas of complex business litigation and contested administrative proceedings and has repeatedly been selected as one of the top litigators in Arizona. He has been selected as a Southwest Super Lawyer in every edition of that publication, which recognizes the top five percent of lawyers practicing in their state. Dan has also repeatedly been recognized by Super Lawyers as one of ...

Chelsea L. Gulinson is a lawyer recognized by Best Lawyers in the practice area of Health Care Law. Chelsea L. practices law in Phoenix, Arizona Best Lawyers has recognized Chelsea L. Gulinson since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Chelsea L. Gulinson is held by other lawyers.

T.J. Ryan's practice encompasses virtually all aspects of family estates, from estate and business planning, to probate and trust administration, to litigating contested estates – an area in which he has achieved a strong track record for positive results. His commitment to excellence in estate controversy and estate planning matters has earned his election as a Fellow of the American College of Trust and Estate Counsel (ACTEC). T.J. focuses his practice on personal and business plannin...

CHRISTOPHER KAUP'S practice is focused on the representation of creditors and debtors in complex commercial bankruptcy matters, creditors’ rights, and commercial litigation. Chris has represented public companies, private businesses, creditors’ committees and individuals in commercial bankruptcy cases, State Court matters and transactional negotiations in Arizona, Pennsylvania, Colorado, Missouri, Utah, Florida, New Jersey, Delaware and California. Chris served as a Law Clerk in t...

Aaron Harmon has built a strong reputation in Arizona’s entrepreneurial community as a lawyer who provides practical counsel to founders, executives and investors alike. Aaron represents startups, established companies and investors in angel, venture capital and private equity financings, in mergers and acquisitions, in negotiating and drafting commercial contracts, and in general corporate and commercial matters. Aaron began his legal career as a judicial clerk for Chancellor William B...

Alison K. Shea is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Alison K. practices law in Phoenix, Arizona Best Lawyers has recognized Alison K. Shea since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Alison K. Shea is held by other lawyers.

Michael E. Pietzsch is a lawyer recognized by Best Lawyers in the practice areas of Employee Benefits (ERISA) Law and Tax Law. Michael E. practices law in Phoenix, Arizona Best Lawyers has recognized Michael E. Pietzsch since 1987. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Michael E. Pietzsch is held by other lawyers.

Mark A. McGinnis is a lawyer recognized by Best Lawyers in the practice areas of Energy Law, Environmental Law, Natural Resources Law and Water Law. Mark A. practices law in Phoenix, Arizona Best Lawyers has recognized Mark A. McGinnis since 2006. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mark A. McGinnis is held by other lawyers.