Joe Lacob Joins Boston Celtics Ownership Group

BOSTON (January 18, 2006) – The Boston Celtics are pleased to welcome Joe Lacob as the newest member of the team's ownership group. A senior partner with the renowned Kleiner Perkins Caufield & Byers (KPCB) venture fund, Mr. Lacob has made a personal investment in the team and will be joining the Celtics’ Board of Directors.

Mr. Lacob has led KPCB's investments in more than 40 life science companies, including the start-up or incubation of a dozen ventures. He leads KPCB's medical technology practice, which includes more than 30 therapeutic and diagnostic medical device companies. Mr. Lacob is also active in KPCB's new media, Internet and energy company initiatives, leading the firm's investments in, and eHealthInsurance. KPCB’s other notable investments include Google, Inc., Amazon and Genentech.

"I'm very happy to become a part owner and Director of this storied franchise and will strongly support the Celtics both on the court and in the community," said Mr. Lacob. Mr. Lacob notes that he grew up in New Bedford, Massachusetts during the time of the great Celtics dynasty and became a huge basketball fan as a result of those formative years.

"I am glad to welcome my longtime friend Joe Lacob to our ownership group" said Celtics Managing Partner H. Irving "Irv" Grousbeck. "He has a passion for sports and a distinguished record of success in business, and I know he will be an excellent partner."

In addition to joining the Celtics’ Board of Directors, Mr. Lacob will continue to serve on the Board of Directors of Align Technology, a public company, as well as several privately held companies.

Mr. Lacob received his BS in Biological Sciences from the University of California at Irvine, his MS in Public Health from UCLA and his MBA from the Stanford Graduate School of Business.

He resides with his family in the Bay Area of California.