Mark W. Brennan

Mark W. Brennan

Washington, D.C.

Email mark.brennan@​

Phone +1 202 637 6409

Fax +1 202 637 5910

Practice groupGlobal Regulatory

Mark W. Brennan is Hogan Lovells' global Lead Innovation Partner, responsible for championing innovation in client service, new products, and legal innovation across the firm's global business. He has a truly unique global regulatory and policy practice that makes him a valuable resource for clients across industry sectors.

An experienced advisor, Mark is a respected voice on privacy and communications matters and advises clients on artificial intelligence, biometric data/facial recognition, Internet of Things/connected devices, U.S. CLOUD Act, telecommunications networking, cloud computing, calling/texting laws, data breach, and other technology and consumer protection matters. He advises global Internet and technology companies and household name clients in the financial, healthcare, pharmaceutical, government contracts, advertising, and automotive sectors. He is as comfortable assisting clients on FCC and Federal Trade Commission policy and enforcement as he is providing thoughtful, actionable compliance strategies to business teams.

Mark receives dozens of requests each year to share his insights on telecoms, privacy, and consumer protection issues at marquee conferences and is most well-known for obtaining significant victories for clients on privacy and Telephone Consumer Protection Act (TCPA) issues. He also advises on other privacy and data security matters, including Section 5 of the Federal Trade Commission Act, California Consumer Privacy Act, the FCC's Customer Proprietary Network Information (CPNI) rules, CAN-SPAM, the Video Privacy Protection Act, the Children's Online Privacy Protection Act (COPPA), state data breach statutes, and more.

Mark is also a member of our U.S. national diversity committee and a co-chair of our global Pride+ LGBT+ ally network, and he was formerly the head of our U.S. LGBT+ affinity group.

Awards and recognitions


Fintech: Media, Technology, and Telecoms
Legal 500 US


Cyber Law (Including Data Privacy and Data Protection)
Legal 500 US


Telecom, Broadcast & Satellite (District of Columbia)
Chambers USA


Media, Technology, and Telecoms: Telecoms and Broadcast: Regulatory
Legal 500 US


Media, Technology, and Telecoms: Telecoms and Broadcast: Regulatory, Next Generation
Legal 500 US


Telecommunications Rising Star, Top Attorneys Under 40


Rising Star, Communications
Washington, D.C. Super Lawyers


Best Lawyers Under 40
The National LGBT Bar Association

2014, 2018

Media, Technology, and Telecoms: Telecoms and Broadcast: Transactional
Legal 500 US

2014, 2017-2018

Media, Technology, and Telecoms: Technology: Transactions
Legal 500 US

Education and admissions


J.D., Georgetown University Law Center, 2005

B.S., University of Florida, summa cum laude, 2002


Board Member, Sitar Arts Center

Board Member, Washington Area Lawyers for the Arts

Co-chair, Mobile Payments Committee, Federal Communications Bar Association

Member, International Association of Privacy Professionals

Past Board Member, National LGBT Bar Association

Past Chair, Charity Auction Committee, Federal Communications Bar Association

Past Co-chair, Social Media, Membership & Marketing Committee, Federal Communications Bar Association

Past Co-chair, Transactional Practice Committee, Federal Communications Bar Association

Past Co-chair, Young Lawyers Committee, Federal Communications Bar Association

Past Executive Committee Member, Federal Communications Bar Association

Bar admissions and qualifications

District of Columbia


Court admissions

U.S. Supreme Court

Related knowledge


Representative experience

Obtained a first-of-its-kind exemption from the TCPA consent requirements for the Cargo Airline Association.

Represented the American Association of Administrative Healthcare Management in obtaining a TCPA exemption for health care treatment calls.

Represented United Healthcare obtaining TCPA relief from the FCC for calls to reassigned wireless numbers.

Represented CARFAX in obtaining a waiver of the FCC's fax advertisement opt-out rules.

Represented UnitedHealth Group Incorporated in obtaining a waiver of the FCC's fax advertisement opt-out rules.

Loading data