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Practice:

  • Supreme Court and Appellate

Geoffrey Shaw Senior Associate

Los Angeles

Geoff's experience litigating and advising clients covers a range of substantive areas. He especially focuses on complex issues of constitutional law and civil procedure.  He is passionate about partnering with public defenders and using his appellate experience to help death sentenced prisoners. 

Geoff received his law degree from Yale Law School. Before joining Orrick, he clerked for Judge Stephen Reinhardt on the U.S. Court of Appeals for the Ninth Circuit and Justice Anthony M. Kennedy on the U.S. Supreme Court. Geoff previously graduated from Yale College and earned a doctoral degree from Oxford, where he studied as a Rhodes Scholar. 

Roberta Dimaggio Managing Associate

Milan

She is Managing Associate in Orrick's Milan office and a member of the firm's M&A and Private Equity Group. 

Roberta's expertise extends to assisting both Italian and international companies on M&A transactions for domestic and global growth, as well as advising private equity funds on their investments. She also provides counsel to Italian families in strategic operations involving private equity funds and transactions aimed at expanding their businesses. In addition to her transactional work, Roberta offers general corporate expertise, guiding clients through various corporate governance and commercial law matters.

Roberta has advised on acquisitions in the healthcare sector, including the purchase of medical centers and diagnostic facilities, as well as transactions in the industrial sector. Her experience includes assisting clients in the acquisition of companies specializing in energy efficiency and decarbonization solutions, as well as advising on the sale and purchase of manufacturing and industrial assets.


Roberta Dimaggio Managing Associate

Milan

She is Managing Associate in Orrick's Milan office and a member of the firm's M&A and Private Equity Group. 

Roberta's expertise extends to assisting both Italian and international companies on M&A transactions for domestic and global growth, as well as advising private equity funds on their investments. She also provides counsel to Italian families in strategic operations involving private equity funds and transactions aimed at expanding their businesses. In addition to her transactional work, Roberta offers general corporate expertise, guiding clients through various corporate governance and commercial law matters.

Roberta has advised on acquisitions in the healthcare sector, including the purchase of medical centers and diagnostic facilities, as well as transactions in the industrial sector. Her experience includes assisting clients in the acquisition of companies specializing in energy efficiency and decarbonization solutions, as well as advising on the sale and purchase of manufacturing and industrial assets.


410005

Practice:

  • Cyber, Privacy & Data Innovation

Naomi Pen Managing Associate

New York

Naomi provides clients guidance on implementing global privacy programs and advises on the U.S. state privacy laws in California, Colorado, Connecticut, Utah, Virginia and other states. She assists clients in breach investigations and cybersecurity incident response, including advising on breach notification, regulatory investigations and managing cybersecurity policies and procedures.

Naomi draws on her experience in fixed income trading technology when advising on cybersecurity and compliance risks within business operations. During law school she externed at the Center for Reproductive Rights focusing on privacy in the context of international human rights.

410005

Practice:

  • Cyber, Privacy & Data Innovation

Naomi Pen Managing Associate

New York

Naomi provides clients guidance on implementing global privacy programs and advises on the U.S. state privacy laws in California, Colorado, Connecticut, Utah, Virginia and other states. She assists clients in breach investigations and cybersecurity incident response, including advising on breach notification, regulatory investigations and managing cybersecurity policies and procedures.

Naomi draws on her experience in fixed income trading technology when advising on cybersecurity and compliance risks within business operations. During law school she externed at the Center for Reproductive Rights focusing on privacy in the context of international human rights.

227643

Practice:

  • Technology & Innovation Sector
  • Intellectual Property
  • Complex Litigation & Dispute Resolution

Mark Parris Partner

Seattle

"An outstanding trial lawyer, very strategic, very responsive and very creative," according to Chambers USA's Guide to America's Leading Lawyers for Business.

His experience includes representing Fortune 500 and other clients from various industries (e.g. technology, financial services, chemical/manufacturing, energy, retail). The litigation has involved IP, Securities, Insurance, Employment, Products Liability, Class Actions and significant contract disputes in Federal and State courts and before arbitration panels throughout the United States. He has been a speaker nationally at various seminars on litigation, arbitration, mediation and trial techniques. Mark has tried dozens of cases – both jury and non-jury trials – and mediated and arbitrated 75-plus cases. He has argued numerous appeals in Federal Circuits across the country and has served as an expert witness on multiple occasions. Mark has also served as National Counsel to a number of clients involved in multi-state litigation. He has been recognized as one of America’s Top 100 Bet-The-Company Litigators, is one of two IP litigators in Washington selected as an Amazing Attorney by Washington CEO magazine and was recently recognized as one of the top 30 Trial Lawyers in Washington.

In addition, Mark is a member of the firm’s Insurance Recovery Group. He has been named as the leading policy-holder side attorney in Washington State. He has represented several Fortune 500 companies as well as the State of Washington, the Washington Association of Municipal Attorneys and several cities, counties and port authorities in insurance coverage disputes.

Prior to joining Orrick, Mark was a partner at Heller Ehrman.

227643

Practice:

  • Technology & Innovation Sector
  • Intellectual Property
  • Complex Litigation & Dispute Resolution

Mark Parris Partner

Seattle

"An outstanding trial lawyer, very strategic, very responsive and very creative," according to Chambers USA's Guide to America's Leading Lawyers for Business.

His experience includes representing Fortune 500 and other clients from various industries (e.g. technology, financial services, chemical/manufacturing, energy, retail). The litigation has involved IP, Securities, Insurance, Employment, Products Liability, Class Actions and significant contract disputes in Federal and State courts and before arbitration panels throughout the United States. He has been a speaker nationally at various seminars on litigation, arbitration, mediation and trial techniques. Mark has tried dozens of cases – both jury and non-jury trials – and mediated and arbitrated 75-plus cases. He has argued numerous appeals in Federal Circuits across the country and has served as an expert witness on multiple occasions. Mark has also served as National Counsel to a number of clients involved in multi-state litigation. He has been recognized as one of America’s Top 100 Bet-The-Company Litigators, is one of two IP litigators in Washington selected as an Amazing Attorney by Washington CEO magazine and was recently recognized as one of the top 30 Trial Lawyers in Washington.

In addition, Mark is a member of the firm’s Insurance Recovery Group. He has been named as the leading policy-holder side attorney in Washington State. He has represented several Fortune 500 companies as well as the State of Washington, the Washington Association of Municipal Attorneys and several cities, counties and port authorities in insurance coverage disputes.

Prior to joining Orrick, Mark was a partner at Heller Ehrman.

218086

Practice:

  • White Collar, Investigations, Securities Litigation & Compliance
  • International Arbitration & Dispute Resolution
  • Supreme Court and Appellate

Richard A. Martin Senior Counsel

New York

In his previous role at Orrick, Dick was a partner in the New York office, and a member of the Securities Litigation, Investigations and Enforcement Group. His practice focused on accountants’ liability, securities and commercial litigation, as well as arbitration and international and domestic white-collar criminal law. Dick is now Senior Counsel at Orrick, and while he continues to contribute to the work of those groups, his primary focus is on assisting our pro bono client, the Center for Reproductive Rights.

Dick has been involved in litigation in the state and federal courts of the United States, Europe, Asia and the Americas for more than 40 years. From June 1987 to August 1990, Dick served as Special Representative of the Attorney General, located at the United States Embassy in Rome, Italy. There he represented the Department of Justice in Europe and handled extradition and mutual assistance matters throughout Europe and North Africa, among other duties. In August, 1990, Dick’s contributions to the Administration of Justice in Italy were recognized when he was named “Commendatore al Merito della Republica Italiana”, the Italian Legion of Honor.

Prior to transferring to Rome, Dick served as an Assistant United States Attorney for the Southern District of New York, from January 1980 to June 1987. Dick received numerous commendations for his work in the United States Attorney’s Office, including the Distinguished Service Award from the Department of Justice for his leadership role in the case known as the “Pizza Connection”. Dick has been fluent in Italian since he was awarded an AFS scholarship for the school-year program in Naples, Italy, where he attended Liceo Classico.

218086

Practice:

  • White Collar, Investigations, Securities Litigation & Compliance
  • International Arbitration & Dispute Resolution
  • Supreme Court and Appellate

Richard A. Martin Senior Counsel

New York

In his previous role at Orrick, Dick was a partner in the New York office, and a member of the Securities Litigation, Investigations and Enforcement Group. His practice focused on accountants’ liability, securities and commercial litigation, as well as arbitration and international and domestic white-collar criminal law. Dick is now Senior Counsel at Orrick, and while he continues to contribute to the work of those groups, his primary focus is on assisting our pro bono client, the Center for Reproductive Rights.

Dick has been involved in litigation in the state and federal courts of the United States, Europe, Asia and the Americas for more than 40 years. From June 1987 to August 1990, Dick served as Special Representative of the Attorney General, located at the United States Embassy in Rome, Italy. There he represented the Department of Justice in Europe and handled extradition and mutual assistance matters throughout Europe and North Africa, among other duties. In August, 1990, Dick’s contributions to the Administration of Justice in Italy were recognized when he was named “Commendatore al Merito della Republica Italiana”, the Italian Legion of Honor.

Prior to transferring to Rome, Dick served as an Assistant United States Attorney for the Southern District of New York, from January 1980 to June 1987. Dick received numerous commendations for his work in the United States Attorney’s Office, including the Distinguished Service Award from the Department of Justice for his leadership role in the case known as the “Pizza Connection”. Dick has been fluent in Italian since he was awarded an AFS scholarship for the school-year program in Naples, Italy, where he attended Liceo Classico.

441887

Practice:

  • Supreme Court and Appellate

Lisa Bixby Senior Associate

Los Angeles

Lisa focuses on appellate litigation. Her practice spans a wide range of subject areas, from complex commercial litigation to white collar criminal defense. She has authored dozens of appellate briefs—winning results in federal and state courts of appeals and the U.S. Supreme Court—and has successfully argued before the U.S. Courts of Appeals for the Sixth, Ninth, and Tenth Circuits. Lisa’s practice also extends to trial work, with an emphasis on dispositive motions, preserving appellate issues, and developing creative legal strategies.

Lisa maintains an active pro bono practice, with a particular focus on criminal law and civil rights.

Before joining Orrick, Lisa served as a law clerk to Judge Richard A. Paez of the U.S. Court of Appeals for the Ninth Circuit. She also worked as an appellate attorney at the MacArthur Justice Center, where she litigated cutting-edge constitutional and statutory issues in federal and state appellate courts on behalf of incarcerated people and victims of police misconduct.

441887

Practice:

  • Supreme Court and Appellate

Lisa Bixby Senior Associate

Los Angeles

Lisa focuses on appellate litigation. Her practice spans a wide range of subject areas, from complex commercial litigation to white collar criminal defense. She has authored dozens of appellate briefs—winning results in federal and state courts of appeals and the U.S. Supreme Court—and has successfully argued before the U.S. Courts of Appeals for the Sixth, Ninth, and Tenth Circuits. Lisa’s practice also extends to trial work, with an emphasis on dispositive motions, preserving appellate issues, and developing creative legal strategies.

Lisa maintains an active pro bono practice, with a particular focus on criminal law and civil rights.

Before joining Orrick, Lisa served as a law clerk to Judge Richard A. Paez of the U.S. Court of Appeals for the Ninth Circuit. She also worked as an appellate attorney at the MacArthur Justice Center, where she litigated cutting-edge constitutional and statutory issues in federal and state appellate courts on behalf of incarcerated people and victims of police misconduct.

740

Practice:

  • Antitrust & Competition
  • Antitrust & Competition
  • Strategic Advisory & Government Enforcement (SAGE)

Patricia Zeigler Of Counsel

Washington, D.C.

Pat also has experience in the applicability of foreign premerger requirements and filings with regulators in the European Union, Asia and Canada.

Pat served as antitrust counsel to two large industry groups establishing Business to Business exchanges for E-commerce transactions. She currently serves as general counsel to five large trade associations in a wide range of industries. In addition, Pat works with trade groups to set up and run joint purchasing organizations.

Prior to joining the firm, Pat practiced antitrust law for over a decade with Pillsbury Madison & Sutro.

In addition to being admitted in the District of Columbia, Pat is also admitted in California (inactive).