Home>People>Mark J. Sonnenklar



Mr. Sonnenklar founded Corporate Counsel Group LLP. He has a broad-based legal practice focused on corporate finance, technology transactions, and other general commercial matters. Mr. Sonnenklar possesses a deep understanding of the Internet and new media industries.


  • Mr. Sonnenklar has served for 4 years as outsourced General Counsel for,, Think Passenger, and He has also worked as outsourced Associate General Counsel for and Connexus.
  • Mr. Sonnenklar has represented clients in transactions with a variety of new media bellwethers such as Google, Microsoft, Yahoo!,, Expedia, Interactive Affiliate Network,, Verizon, Lycos,, NetZero, DoubleClick, 24/7 Real Media, Idearc, Miva, InfoSpace, Acxiom, Mapquest, Marchex, Fandango, Orbitz, WhenU, and Quigo.
  • Prior to founding CCG, Mr. Sonnenklar was a business lawyer at Morrison & Foerster LLP (MoFo), the largest California-based law firm with approximately 1,000 attorneys worldwide. He honed his drafting skills heading a team of MoFo lawyers charged with creating various annotated master form agreements used by all corporate attorneys at the firm.
  • Mr. Sonnenklar has international transactional experience as well. In 2000, he was an integral part of MoFo’s Buenos Aires office where he represented various Latin American venture-backed companies.
  • Mr. Sonnenklar began his legal career as a real estate lawyer with Barack Ferrazzano, Kirschbaum, Perlman & Nagelberg, a premier real estate law firm in Chicago.
  • Before that, Mr. Sonnenklar lived in Madrid, Spain, where he worked for Legal Language Services as a legal translator and a teacher of American business law. He is fluent in Spanish.

Education & Honors

  • Northwestern University School of Law, J.D., 1994
  • Northwestern University School of Law Adlai E. Stevenson Award for the Best Brief in the Julius H. Miner Moot Court Competition
  • University of Arizona, B.A., Phi Beta Kappa, summa cum laude, with honors, 1991


  • Member of the Cyberspace Law Committee of the California State Bar's Business Law Section
  • Executive Committee Member of the Entertainment Law and Intellectual Property Section of the Los Angeles County Bar Association
  • Tech Coast Angels, Los Angeles Chapter
  • Member of the State Bar of California and State Bar of Illinois

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606 N. Larchmont Boulevard

Suite 309

Los Angeles, CA


TEL 323-933-4700

FAX 323-843-9595