POLARIS VENTURE PARTNERS

BOSTON OFFICE
1000 Winter Street
Suite 3350
Waltham, MA 02451

tel: 781.290.0770
fax: 781.290.0880

Jonathan A. Flint, Managing General Partner
jflint@polarisventures.com

Terrance G. McGuire, Managing General Partner
tmcguire@polarisventures.com

Alan G. Spoon, Managing General Partner
aspoon@polarisventures.com

Alan Crane, Venture Partner
acrane@polarisventures.com

Amir Nashat, General Partner
anashat@polarisventures.com

Bill Allard, Venture Partner
ballard@polarisventures.com

Bob Metcalfe, General Partner
bmetcalfe@polarisventures.com

Bryce Youngren, General Partner
byoungren@polarisventures.com

David Barrett, General Partner
dbarrett@polarisventures.com

Don MacKenzie, Chief Financial Officer
dmackenzie@polarisventures.com

George H. Conrades, Venture Partner
gconrades@polarisventures.com

Jason Trevisan, Principal
jtrevisan@polarisventures.com

John Gannon, General Partner
jgannon@polarisventures.com

Kevin Bitterman, Principal
kbitterman@polarisventures.com

Larry Kramer, Senior Advisor
lkramer@polarisventures.com

Mary Blair, Controller
mblair@polarisventures.com

Michael Hirshland, General Partner
mhirshland@polarisventures.com

Peter Flint, General Partner
pflint@polarisventures.com

Robert Geiman, General Partner
bgeiman@polarisventures.com

Simeon Simeonov, General Partner
ssimeonov@polarisventures.com

William Bilodeau, Director of Finance
wbilodeau@polarisventures.com

SEATTLE OFFICE
1000 2nd Avenue
Suite 3100
Seattle, WA 98104

tel: 206.652.4555
fax: 206.652.4666

Stephen D. Arnold, Managing General Partner
sarnold@polarisventures.com

Brian Chee, General Partner
bchee@polarisventures.com

Alan Mattamana, Principal
amattamana@polarisventures.com