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Constantine Cannon Names Three New Partners

Posted  September 23, 2019

Constantine Cannon LLP is pleased to announce that Azmina Jasani, David Golden and Michael Ronickher have been named partner at the firm. Jasani’s practice is based out of the London office, and Golden and Ronickher work in the firm’s Washington, D.C.

Richard Aborn, Managing Partner of Constantine Cannon said: “I am proud to see David. Azmina and Michael promoted to partnership. As individuals, their practices have flourished, and they have become invaluable members of our firm. Their advancement has coincided with sustained growth for the firm as a whole, and I look forward to seeing this success continue.”

Azmina Jasani

Azmina Jasani is a dual qualified lawyer in England and New York with nearly a decade’s experience representing clients in the art and luxury sector. As a leading art law and luxury assets specialist, Jasani advises artists, private and corporate collectors, galleries and dealers, luxury businesses, auction houses, financial institutions and museums on contentious and noncontentious matters. She is consistently ranked as a leader by both Chambers and Partners and Legal 500 in their High Net Worth and Art and Cultural Property Law categories.

Prior to joining Constantine Cannon, Jasani worked in the New York office of Withers, specialising in art law and focusing primarily on art litigation. She received her J.D. from the University of California, Berkeley School of Law (Boalt Hall), and her B.A., summa cum laude, from Queens College, City University of New York.

David Golden

David Golden’s practice is focused on competition issues in high-technology industries. He serves as Vice Chair of the ABA Technical Standardization Committee and is a member of ABA Big Data Taskforce.

Prior to joining Constantine Cannon, Golden worked in the software industry. Applying his technical background, he has represented both plaintiffs and defendants in diverse matters, including antitrust, copyright infringement, cyber security breaches, and commercial litigations and arbitrations. Golden also represents clients before government agencies, including criminal antitrust investigations and statutory ratemaking proceedings. He received his J.D. from The George Washington University Law School.

Michael Ronickher

Michael Ronickher is a valued member of our whistleblower attorney group. He represents a broad range of whistleblowers, and he leads cases in healthcare, defense, and financial frauds, with a particular specialty in representing tax whistleblowers. He was recently recognized by Law360 as a 2019 Rising Star.

Ronickher joined the firm in May of 2017, following nearly a decade as a trial attorney in the Department of Justice, Tax Division. He entered DOJ through the Honors Program, after graduating with distinction from Stanford Law School. While at DOJ, he litigated exclusively, serving as attorney of record on dozens of cases, including some of the most complex and important cases in the Division. He was the recipient of numerous awards at DOJ including three Outstanding Attorney awards. In his final years at the Division, he became the chief litigator of cases under a federal clean energy grant program, culminating in a multi-week, $260 million trial.


Constantine Cannon, with offices in New York, Washington, D.C., San Francisco, and London, has deep expertise in practice areas that include antitrust and complex commercial litigation, whistleblower representation, art and cultural property law, government relations, securities, and e-discovery.

The firm’s antitrust practice is among the largest and most well recognized in the nation. Constantine Cannon’s experience spans across multiple industries including healthcare, banking, electronic payments, insurance, high tech, telecommunications, the Internet, and government contracting.

In size and scope, Constantine Cannon’s international whistleblower practice is one of the most prominent groups in the world exclusively serving whistleblowers. The firm’s team of dedicated whistleblower lawyers represent whistleblowers worldwide under federal and state False Claims Acts as well as the whistleblower programs of the IRS, SEC, CFTC, DOT, and others.

The firm’s art and cultural property practice advises on a broad range of multi-jurisdictional commercial, regulatory and contentious issues within the art world. As a leading specialist art practice, they assist clients on all legal issues relating to fine art and other collecting categories. All three practices maintain an international presence