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Executives

7

Board of Directors

5

Tumblr Board of Directors

5 Board of directors

Tumblr has 5 board of directors, including Bijan Sabet.

Name

Firm

Work History

Other Seats

Bijan Sabet

Cofounder and General Partner at Spark Capital. Spark currently manages over $4B across venture and venture growth funds. Led our investment in Twitter (NYSE: TWTR) in early 2008 and served on their board from 2008-2011. Also led the seed investment in Tumblr (acquired by Yahoo!) and served on their board of directors for the entire duration of the company. Other investments include: Stack Overflow, Overtime, Crowdrise (acquired by GoFundMe), Trello (acquired by Atlassian), Sincerely (acquired by Liberty Interactive Corporation), RunKeeper (acquires by ASICS), Foursquare, Boxee (acquired by Samsung), OMGPOP (acquired by Zynga) and thePlatform (acquired by Comcast).

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Bradford Burnham

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Fred Seibert

Cofounder, Thirty Labs Inc.; Founder & CEO, Next New Networks; President, MTV Networks Online; President, Hanna-Barbera Cartoons; Cofounder & Co-CEO, Fred/Alan Inc.; VP, Creative Services, WHN Radio; Founder, Oblivion Records

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John Lilly

John invests in entrepreneurs who are building technologies that improve the way we work, collaborate and connect with each other. John joined Greylock as a partner in 2011. John is currently on the Board of Directors of ClearSlide, Jack Mobile, Sparks Mobile, Code for America, and several unannounced investments. He leads Greylock’s investment in Dropbox and led our investments in Tumblr (acquired by Yahoo in 2013) and Instagram (acquired by Facebook in 2012). John previously served on the boards of directors of TripIt (acquired by Concur in 2011), CenterRun (acquired by Sun Microsystems in 2003), and Reactivity (acquired by Cisco Systems in 2007). Prior to Greylock, John was CEO of Mozilla, the organization behind Firefox, the open source Web browser used by more than 450 million people. John also co-founded Reactivity, an enterprise security infrastructure company acquired by Cisco in 2007, where he served as founding CEO and later CTO. Earlier in his career, John held positions on the executive team at Trilogy Software and as a Senior Scientist in Apple’s research labs. John holds a BS in Computer Systems Engineering and an MS in Computer Science with a focus on Human Computer Interaction, both from Stanford University. He is a Consulting Assistant Professor at Stanford’s d.school, and an advisor to both the Stanford Technology Ventures Program and StartX, Stanford’s start up accelerator. He is a co-inventor on seven United States patents.

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Roelof Botha

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Name

Bijan Sabet

Bradford Burnham

Fred Seibert

John Lilly

Roelof Botha

Firm

Work History

Cofounder and General Partner at Spark Capital. Spark currently manages over $4B across venture and venture growth funds. Led our investment in Twitter (NYSE: TWTR) in early 2008 and served on their board from 2008-2011. Also led the seed investment in Tumblr (acquired by Yahoo!) and served on their board of directors for the entire duration of the company. Other investments include: Stack Overflow, Overtime, Crowdrise (acquired by GoFundMe), Trello (acquired by Atlassian), Sincerely (acquired by Liberty Interactive Corporation), RunKeeper (acquires by ASICS), Foursquare, Boxee (acquired by Samsung), OMGPOP (acquired by Zynga) and thePlatform (acquired by Comcast).

Cofounder, Thirty Labs Inc.; Founder & CEO, Next New Networks; President, MTV Networks Online; President, Hanna-Barbera Cartoons; Cofounder & Co-CEO, Fred/Alan Inc.; VP, Creative Services, WHN Radio; Founder, Oblivion Records

John invests in entrepreneurs who are building technologies that improve the way we work, collaborate and connect with each other. John joined Greylock as a partner in 2011. John is currently on the Board of Directors of ClearSlide, Jack Mobile, Sparks Mobile, Code for America, and several unannounced investments. He leads Greylock’s investment in Dropbox and led our investments in Tumblr (acquired by Yahoo in 2013) and Instagram (acquired by Facebook in 2012). John previously served on the boards of directors of TripIt (acquired by Concur in 2011), CenterRun (acquired by Sun Microsystems in 2003), and Reactivity (acquired by Cisco Systems in 2007). Prior to Greylock, John was CEO of Mozilla, the organization behind Firefox, the open source Web browser used by more than 450 million people. John also co-founded Reactivity, an enterprise security infrastructure company acquired by Cisco in 2007, where he served as founding CEO and later CTO. Earlier in his career, John held positions on the executive team at Trilogy Software and as a Senior Scientist in Apple’s research labs. John holds a BS in Computer Systems Engineering and an MS in Computer Science with a focus on Human Computer Interaction, both from Stanford University. He is a Consulting Assistant Professor at Stanford’s d.school, and an advisor to both the Stanford Technology Ventures Program and StartX, Stanford’s start up accelerator. He is a co-inventor on seven United States patents.

Other Seats

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Tumblr Management Team

7 Team Members

Tumblr has 7 executives. Tumblr's current Chief Executive Officer is David Karp.

Name

Work History

Title

Status

David Karp

Chief Executive Officer

Current

Cavel Khan

Chief Revenue Officer

Current

John Maloney

President

Former

Travis Heinström

StatLink Systems, Tinychat, and Data Connections

Chief Technology Officer

Former

Brian D Murphy

Chief Technology Officer

Former

Name

David Karp

Cavel Khan

John Maloney

Travis Heinström

Brian D Murphy

Work History

StatLink Systems, Tinychat, and Data Connections

Title

Chief Executive Officer

Chief Revenue Officer

President

Chief Technology Officer

Chief Technology Officer

Status

Current

Current

Former

Former

Former

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