
Corinna A. Ferrini, Esq. is a Partner at the law firm of Attorney John P. Mahoney, Esq., Attorney at Law. Ms. Ferrini specializes in Federal sector employment law. Her practice focuses on the defense of disciplinary and adverse actions, representation during misconduct investigations, litigation of whistleblower retaliation and discrimination actions, and matters related to disability retirement and other annuity issues.
During the course of her career, Ms. Ferrini has represented Federal employees under administrative, criminal, and Congressional investigations, several of which were high‑profile investigations. She has extensive experience in preparing responses to investigators' inquiries and representing clients during interviews and immunity negotiations. Ms. Ferrini has also represented employees before various quasi-judicial and administrative bodies including: the Merit Systems Protection Board (MSPB), the Equal Employment Opportunity Commission (EEOC), the Office of Special Counsel (OSC), the Transportation Security Administration Office of Professional Responsibility Appellate Board (TSA OPR AB), the Foreign Service Grievance Board (FSGB), and the Federal Bureau of Investigation’s Office of Professional Responsibility (FBI OPR). Ms. Ferrini’s practice also includes challenging determinations of the Office of Personnel Management (OPM) related to disability retirement claims under CSRS and FERS, annuity award and computation issues, and employment suitability. Her appellate practice includes challenging final decisions of the MSPB before the U.S. Court of Appeals for the Federal Circuit.
Prior to joining the law firm of Attorney John P. Mahoney, Esq., Attorney at Law, Ms. Ferrini worked at the Merit Systems Protection Board in Washington, DC, as an Attorney Advisor. Through that experience, Ms. Ferrini has gained unique knowledge of the Federal Government’s merit system principles and the processing of appeals before the MSPB. Prior to her employment at the MSPB, she worked with Attorney Mahoney at the Federal employment law firm of Tully Rinckey PLLC in Washington, DC, where her practice was focused on the representation of Federal employees in matters related to misconduct, claims of discrimination and whistleblower reprisal, as well as in retirement/annuity issues before MSPB involving OPM. Ms. Ferrini also worked as a Senior Associate Attorney at the Washington, DC federal employment law firm of Alan Lescht & Associates, P.C, as well as serving as an Associate Attorney with the Boston law firm of Avery, Dooley & Noone, LLP, for several years, where she practiced labor and employment law with an emphasis on the defense of Federal employees. There she also developed content for the training of Federal supervisors in matters related to employment law.
Ms. Ferrini received her juris doctor from Suffolk University Law School in Boston. During law school, she served as a research assistant and also participated in the International Law Society and National Women Law Students Association. She received her bachelor's degree in English from Hofstra University in New York.
Ms. Ferrini is admitted to practice law in Massachusetts and before the U.S. Court of Appeals for the Federal Circuit.
LISCENSED TO PRACTICE LAW IN MASSACHUSETTS ONLY. NOT ADMITTED TO THE DISTRICT OF COLUMBIA BAR. DISTRICT OF COLUMBIA PRACTICE LIMITED TO PROVIDING LEGAL SERVICES TO MEMBERS OF THE PUBLIC SOLELY BEFORE A SPECIAL COURT, DEPARTMENT, OR AGENCY OF THE UNITED STATES.
Jun 17, 2016 - ,
“Mr. Mahoney was extremely knowledgeable, professional, and responsive in handling my case. When going up against the federal government, you want someone who knows what they are doing and an attorney ...”
Feb 27, 2018 - ,
“Mr. Mahoney and his team were very instrumental in resolving my agency’s proposed removal action. Once I engaged his services, the team actively worked on my case and kept me abreast of all ...”
Jan 24, 2017 - , SD
“When my agency placed me on indefinite administrative leave after 29 years of service, my first reaction, after the initial shock, was to find a lawyer who knew federal employee law. Later, when they ...”
Jun 17, 2016 - ,
“Dear Attorney Mahoney, I carefully listened to your recent Federal News Radio interview. You have professionally highlighted the significant atrocities inflicted upon the federal employees, ...”
Jun 17, 2016 - ,
“After years of continuous discrimination and exhausting my Agency chain of command, I turned to Attorney John Mahoney for his expertise. John took my case and advised me of my best possible choices ...”
Feb 27, 2018 - Kittery, ME
“I would like to thank Attorney Lisa Windsor for her excellent representation during my disability discrimination case. After being subjected to disability discrimination and a hostile work environment ...”
Feb 13, 2017 - ,
“I fully recommend Lisa Windsor for the exceptionally hard work she puts into a case. Lisa was relentless in pursuing every possible legal and administrative measure from Medical Boards to the BCMR. ...”
Mar 9, 2015 - Woodbridge, VA
“Attorney John Mahoney represented me in an EEOC case against a charge levied against me with a proposed dismissal from a federal government position, which I held for over two decades. Mine was a ...”