Don Keller,

a partner in the Silicon Valley office, is a member of the Technology Companies group; and a member of Orrick's 11-member board of directors. Mr. Keller advises high growth technology companies, public companies, venture capital firms and investment banks. He has advised clients on more than 60 public offerings, 75 acquisition transactions and several hundred venture financings.

Mr. Keller has worked on transactions for Apple (Nasdaq GS: AAPl), Google (Nasdaq GS: GOOG), Oracle(Nasdaq GS: ORCL), Tibco (Nasdaq GS: TIBX), Adaptec (Nasdaq GS: ADPT), Shutterfly (Nasdaq GS: SFLY), Martha Stewart Living Omnimedia (NYSE:MSO), Sum Total Systems (Nasdaq GS: SUMT) and Rambus (Nasdaq GS: RMBS). Mr. Keller also has represented many investment banking clients in public offering transactions, including representing Goldman, Sachs & Co. in offerings for PeopleSoft, Baan, Cadence, Geocities, Inktomi, PC Order, E-Loan and others.

Mr. Keller is a past member of the Board of Overseers of Boston College Law School.

Some of Mr. Keller's clients include:

3scale (funded by Javelin and others)
AltiScale (funded by Accel, Sequoia, and General Catalyst)
ClearCost Health (funded by angels)
Crosslink Capital
eHarmony
Fidelity
GLM (funded by Sutter Hill)
Pivotal, Inc.
Hub Pages (funded by Hummer Winblad and Storm Ventures)
Liquid Light, Inc. (funded by VantagePoint Venture Partners and others)
LS9, Inc. (funded by Khosla Ventures, Lightspeed and Flagship)
New Globe (funded by NEA and others)
Silicon Valley Data Sciences (funded by angels)
Sunny Labs, Inc. (funded by Sutter Hill)
Syntellia (funded by Kleiner and Highland)
TOA Technologies (funded by Technology Crossover Ventures, Sutter Hill and Intel Capital)
Topcon Positioning Systems
Twin Prime (funded by True Ventures)
Vendavo (funded by Sigma Partners, Doll Capital Management, InterWest Partners, and others)
Yieldex (funded by Madrona, Amazon, Sequel and First Round Capital)
ZanttZ (funded by Crosslink Capital)

Mr. Keller has represented the company or the underwriters in the following initial public offerings:

Actuate Corporation
Asante Technologies, Inc.
Atmel Corporation
Baan
Beyond.com Corporation
Cadence Systems Corporation
CKS Group
Collaborative Research, Inc.
Connect, Inc.
Creative Technologies Ltd.
Delphi Systems
E Tek Dynamics
Electronic Arts
ELoan, Inc.
Geocities
Inference Corporation
Infinity Financial Corporation
Inktomi Corporation
Integrated Systems, Inc.
MIPS Technologies, Inc.
MSI Data Corporation
Paradigm Technology
PC Order
Peoplesoft
Pilot Networks
Silicon Valley Group
Software.net
TenFold Corporation
Trident Microsystems
Vestar, Inc.
Vitalink
Worlds of Wonder