Xenophon Paparrigopoulos

Jeffrey A. Weissman is a Principal/Shareholder of the law firm of Gladstone, Weissman, Hirschberg & Schneider, P.A. He is a graduate of the University of Pennsylvania Law School (J.D., 1994). Mr. Weissman is Board Certified in Marital and Family Law and is AV Preeminent Rated by Martindale- Hubbell. He is a Fellow in the International Academy of Matrimonial Lawyers. He is also a Supreme Court Certified Family Law Mediator and is formally trained in Collaborative Law. Mr. Weissman was rece...

Robert Burlington is Managing Member and co-founder of the firm. In his more than 35 years of practice, he has litigated and tried to completion a wide variety of jury and non-jury trials in state and federal courts. He has served as lead counsel in multiple arbitrations. These cases include business torts, commercial and real estate contract disputes, securities transactions, class actions, as well as many aspects of state and federal employment litigation. He has built his practice by assis...

Greg A. Christianson is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Litigation - Environmental. Greg A., who practices law in San Francisco, California, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Greg A. is held by other top lawyers in the same geographic and legal practice area.

Craig Christensen is the manager of the Appleton office. He began his legal career in Milwaukee in 1985, and started working in our Appleton office in 1988. Since that time, Mr. Christensen has worked exclusively for people who have been injured in car accidents, work-place injuries, and animal attacks to ensure they receive fair compensation. Mr. Christensen has tried many cases throughout Wisconsin and because of his trial experience, the National Board of Trial Advocacy has certified him a...

Jeffrey Saunders is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Jeffrey, who practices law in Minneapolis, Minnesota, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey is held by other top lawyers in the same geographic and legal practice area.

Jo represents clients in corporate, securities, and employment law matters. Her practice has an emphasis on corporate governance issues. She has served as lead counsel on public registrations representing over a billion dollars and has substantial experience in cross-border corporate acquisitions. Jo also counsels clients on employment matters, focusing on reducing the risk of employment-related litigation.

Charles Brown is an accomplished estate planning and probate attorney with more than 26 years of experience in probate litigation. He has previously served as Magistrate since 1988, and Chief Magistrate and Probate Court Mediator since 2009 for Cuyahoga County , the largest and most prominent probate court in the state of Ohio. Mr. Brown has handled thousands of cases involving all aspects of probate litigation, including wealth management and estate planning. He is a lecturer and continuing ...

Na Lan is a Director at Damon Key and brings to the firm a unique combination of capabilities and experience in the areas of condominium and community association law, immigration, business and real property transactions, and dispute resolution for Mandarin-speaking investors and business owners. Born and raised in China, she is fluent in both Mandarin Chinese and English. Ms. Lan once again was selected by her peers for inclusion in the 2025 Edition of The Best Lawyers in America® for he...

Few U.S.-based lawyers know more about global trademark strategies and managing global trademark conflicts than Nadine Jacobson, who has searched, cleared for use, and prosecuted for registration thousands of trademarks of all types globally. Nadine has also litigated and defended hundreds of international Opposition and Cancellation proceedings as well as infringement actions around the world. She registers and defends design patents and industrial designs in various countries, including tho...

MICHAEL P. O'NEIL helps companies in transition. Since 1986, he has focused his practice on mergers and acquisitions, debt refinancing and restructuring, business workouts and turnarounds, and a full range of other business matters, Michael has represented both healthy and distressed companies in connection with sales, refinancings, and liquidations, as well as in chapter 11 section 363 asset sales and “true reorganization” bankruptcy cases where judicial remedies are needed. Addi...