Edward C. O'Callaghan
About Edward C. O'Callaghan
Edward C. O'Callaghan is a lawyer based in Washington, DC and has been recognized in The Best Lawyers in America® since 2013. Edward C. O'Callaghan is recognized in the following practice area:
- Washington, District of Columbia
- Criminal Defense: White-Collar
Current Firm: Cahill Gordon & Reindel LLP
Education: New York University, J.D., graduated 2021
Location: Washington, DC
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Nicole Grejda brings a strategic, solutions-oriented approach to family law, serving as both a trusted advisor and a formidable advocate for individuals navigating periods of personal and legal uncertainty. As a partner at Curran Moher Weis, Ms. Grejda handles the full spectrum of domestic relations matters—including divorce, custody and visitation, spousal and child support, equitable distribution, and post-divorce enforcement and modifications—with clarity, confidence, and deep ...
Adam Herzog, a partner of Katz Banks Kumin, joined the Firm in December 2013. Mr. Herzog has represented numerous clients pursuing whistleblower tips before the SEC, CFTC and FINCEN and has successfully assisted them in earning millions of dollars in award payments. Three of Mr. Herzog’s clients received SEC whistleblower awards in the second half of 2023 alone, some of whom participated in a $104 million total award that was the fourth largest in the SEC program’s history. Detail...
James V. Cole is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. James V., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James V. is held by other top lawyers in the same geographic and legal practice area.
Naveen Modi is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Naveen, who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Naveen is held by other top lawyers in the same geographic and legal practice area.
Michael A. Branca is Co-Managing Partner of Peckar & Abramson’s Washington, D.C. office and serves on the firm’s Executive Committee. He focuses his practice on construction and government contract law. Mike routinely represents general and prime contractors, construction managers, and other members of the construction and government contract industries. Given his depth of experience, he is able to provide an impressive range of services to his clients, including the review an...
Ilona Ely Grenadier Position: Partner. Founding Partner Background: Born, Baltimore, Maryland, May 18, 1940; admitted to Virginia Bar in 1968. Education: Mount Holyoke College (B.A., 1962); George Washington University (J.D., cum laude, 1967). Order of the Coif. Member: Alexandria, Fairfax , Virginia and American (Member, Family Law Section) Bar Associations; Virginia State Bar; Virginia Trial Lawyers Association ; American Academy of Matrimonial Lawyers ; International Academy of Matrimonial...
Stuart G. Nash is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Stuart G., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stuart G. is held by other top lawyers in the same geographic and legal practice area.
David C. Kully is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. David C., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David C. is held by other top lawyers in the same geographic and legal practice area.
Marcus Greene is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Marcus, who practices law in Vienna, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marcus is held by other top lawyers in the same geographic and legal practice area.
Catherine D. “Katie” Bertram started the Bertram Law Group, building on decades of experience as both a medical malpractice attorney and director of risk management at Georgetown University Hospital. In those environments, she learned how doctors and hospitals work, as well as how their attorneys assess claims against them. She draws on this knowledge to advocate for patients and their families. “People want someone competent, caring, and careful. They’ve just gone thr...
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.
When Is It Too Late to Stop Foreclosure?
by Bryan Driscoll
Understanding the foreclosure timeline, critical deadlines and the legal options that may still protect your home.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.