David W. Koch

Joel Swearingen is an associate in the firm’s Project Finance and Public Finance practice group, representing issuers, underwriters, and borrowers on a variety of public finance transactions. He also has substantial experience in the field of tax withholding and information reporting, both internationally and domestically. What do you focus on? My practice includes representing clients on tax matters present in connection with public finance transactions. I also advise clients on the in...

Rachael Kent has more than 25 years of experience representing companies, states, state entities, and individuals in commercial and investment arbitration proceedings worldwide. She is widely recognized for her expertise in the field and for her exceptional written and oral advocacy skills. She has been the lead advocate in numerous complex arbitrations in the energy, mining, aerospace, defense, pharmaceutical, construction, insurance, telecommunications, technology and retail sectors, among ...

Kelly Dunbar is a partner in the firm’s Government & Regulatory Litigation and Appellate & Supreme Court Litigation practice groups, and a leader of the firm's Administrative Law Group. He focuses his practice on government and regulatory litigation, administrative rulemakings, constitutional and civil litigation, and appellate matters. Mr. Dunbar regularly counsels clients regarding regulatory strategy and litigation, represents them before administrative agencies, and litigate...

Thomas Roberts is a lawyer recognized by Best Lawyers in the practice area of Employee Benefits (ERISA) Law. Thomas practices law in Washington, District of Columbia Best Lawyers has recognized Thomas Roberts 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 Thomas Roberts is held by other lawyers.

Bill Christiansen specializes in biotechnology patent matters, with particular emphasis on U.S. and international patent procurement, strategic management of patent portfolios, investment due diligence, early stage company counseling and competitive patent position analysis. He received his B.S. in Biochemistry and Biophysics (with honors) from Oregon State University (1991). After obtaining a Ph.D. in Biochemistry/ Biophysics/Molecular Biology from the University of Notre Dame (1995), for wh...

Paul J. Maloney is a lawyer recognized by Best Lawyers in the practice areas of Mass Tort Litigation / Class Actions - Defendants, Personal Injury Litigation - Defendants and Professional Malpractice Law - Defendants. Paul J. practices law in Washington, District of Columbia Best Lawyers has recognized Paul J. Maloney since 2013. 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 professi...

Michael A. Mancusi is a lawyer recognized by Best Lawyers in the practice area of Banking and Finance Law. Michael A. practices law in Washington, District of Columbia Best Lawyers has recognized Michael A. Mancusi since 2016. 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 A. Mancusi is held by other lawyers.

Judyann M. Lee is a lawyer recognized by Best Lawyers in the practice areas of Community Association Law and Real Estate Law. Judyann M. practices law in Potomac, Maryland Best Lawyers has recognized Judyann M. Lee since 2025. 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 Judyann M. Lee is held by other lawyers.

J. Rose Zaklad is a lawyer recognized by Best Lawyers in the practice area of Employee Benefits (ERISA) Law. J. Rose practices law in Washington, District of Columbia Best Lawyers has recognized J. Rose Zaklad 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 J. Rose Zaklad is held by other lawyers.

With more than 23 years of experience working with the pharmaceutical and medical device industries, Ms. Walsh brings FDA regulatory expertise to clients seeking to achieve their business objectives. She regularly counsels clients facing FDA administrative actions like inspections, warning letters, and recalls. But her passion is helping companies prevent or respond to government investigations, and she conducts internal investigations to achieve compliance and to best position her clients to...