
Phone: (202) 606-6723
E-mail: lwollman@gbblegal.com
Dr. Lisa Wollman, MD
Science & Medical Advisor

Phone: (202) 800-3001
E-mail: awelo@gbblegal.com
Aaron Welo is Of Counsel at Guttman, Buschner & Brooks PLLC where he focuses on False Claims Act litigation and other complex disputes.
Aaron Welo
Of Counsel

Phone: (404) 712-2358
E-mail: pzwier@gbblegal.com
Paul J. Zwier II is one of the nation’s most distinguished professors of advocacy and skills training, providing expert advice on trial strategy, jury analysis, and negotiation and mediation.
Paul J. Zwier II
Of Counsel

Phone: (202) 800-3001
E-mail: lshofner@gbblegal.com
Elizabeth Shofner is Of Counsel at Guttman, Buschner and Brooks focusing on complex civil litigation, including false claims litigation, and corporate governance matters.
Elizabeth H. Shofner
Of Counsel

Phone: 202-800-3001
E-mail: cpoplin@gbblegal.com
Dr. Caroline Poplin, a lawyer and medical doctor, provides legal and medical advice on cases involving off-label marketing of pharmaceuticals, and Medicare/Medicaid fraud.
Dr. Caroline Poplin
Of Counsel & Medical Director

Phone: (202) 800-3001
E-mail: ngertner@gbblegal.com
Former Federal District Court Judge Nancy Gertner joined Guttman, Buschner & Brooks PLLC as Of Counsel in January of 2019, eight years after retiring from the bench.
Judge Nancy Gertner (Ret.)
Of Counsel

Phone: (202) 800-3001
Daniel Guttman focuses his law practice has on energy, environment, antitrust, whistleblower cases brought under the Federal False Claims act and employment law.
Dan Guttman
Of Counsel

Phone: (302) 327-9210
E-mail: jbrooks@gbblegal.com
Justin S. Brooks represents relators in qui tam litigation under the federal and state False Claims Acts and corporate clients in complex commercial and employment litigation.
Justin S. Brooks
Founding Partner

Phone: (202) 800-3002
E-mail: rguttman@gbblegal.com
Mr. Guttman has litigated complex cases involving fraud, breach of fiduciary duty, environmental derelictions, antitrust, torts or statutory violations.