Columnists & Contributors

TechCrunch Columnists

Jon Evans

Jon Evans is an author, journalist, and software engineer.

His novels have won an Arthur Ellis Award, translation into half a dozen languages, and praise from The Economist, The Times, and The Washington Post. His journalism has appeared in Wired, The Guardian, Reader’s Digest, The Globe and Mail, and The Times of India, and he writes a weekly column for TechCrunch.

He also has a degree in electrical engineering and a decade of experience as a software developer, building everything from smartphone apps to billion-dollar asset-allocation services. He lives in Toronto and at

Steve Gillmor

Steve Gillmor is a technology commentator, editor, and producer in the enterprise technology space. He is Head of Technical Media Strategy at and a TechCrunch contributing editor.

Gillmor previously worked with leading musical artists including Paul Butterfield, David Sanborn, and members of The Band after an early career as a record producer and filmmaker with Columbia Records’ Firesign Theatre. As personal computers emerged in video and music production tools, Gillmor started contributing to various publications, most notably Byte Magazine, where he was a lead reviewer of development and collaborative platform systems including Visual Basic, Lotus Notes, Microsoft Office, and Windows NT. Subsequently, Gillmor served as a contributing editor at InformationWeek Labs, before joining Fawcette Technical Publications first as Senior Editor and later as Editor in Chief of Enterprise Development Magazine, and then Editor in Chief and Editorial Director of XML and Java Pro Magazines.

Andrew Keen

Andrew Keen is an Anglo-American entrepreneur, writer, broadcaster and public speaker. He is the author of the international hit “Cult of the Amateur: How the Internet is Killing our Culture” which has been published in 17 different languages and was short-listed for the Higham’s Business Technology Book of the Year award. As a pioneering Silicon Valley based Internet entrepreneur, Andrew founded in 1995 and built it into a popular first generation Internet music company. He is currently the host of “Keen On” show, the popular TechCrunch chat show.

Andrew is an acclaimed speaker on the international circuit, speaking regularly on the impact of new technology on 21st century business, education and society. Andrew’s new book about the social media revolution, “Digital Vertigo”, will be published by St Martin’s Press in 2012.

MG Siegler

MG Siegler is a general partner at CrunchFund and a columnist for TechCrunch, where he has been writing since 2009. His focus is on Apple.

Prior to TechCrunch, MG covered various technology beats for VentureBeat.

Originally from Ohio, MG attended the University of Michigan in Ann Arbor, MI. He’s previously lived in Los Angeles where he worked in Hollywood and in San Diego where he worked in web development. He also writes at his own blog, ParisLemon, and tweets a lot.

He now lives in San Francisco.

TechCrunch Contributors

abbottMichael Abbott

Mike Abbott joined Kleiner Perkins Caufield & Byers as a partner in 2011. He focuses on investments in the firm’s digital practice, helping entrepreneurs in the social, mobile and cloud computing sectors rapidly scale teams and ventures. Mike serves as an expert resource on enterprise infrastructure, cloud computing and “big data.” He also helps entrepreneurs win the race for talent in a hyper-competitive recruitment environment.

An engineering leader, entrepreneur and investor, Mike led the building of innovative, high-performance applications and services at Twitter, Palm and Microsoft before he joined KPCB. Mike is also an expert in “big data” businesses, having founded Composite Software. Formerly the vice president of engineering at Twitter, Mike led the team to rebuild and solidify Twitter’s infrastructure, growing the engineering team from 80 to more than 350 engineers in less than a year and a half, and scaling Twitter’s architecture to support 250 million daily tweets. Before joining Twitter, Mike led the software development team at Palm that created HP/Palm’s next-generation webOS platform. Earlier in his career, Mike was the general manager at Microsoft for .NET online services, which became Azure. He was also co-founder of Passenger Inc. Mike has advised and invested in numerous software companies throughout his career, including Cloudera, Hearsay Labs, Jawbone and Saynow.

arringtonMichael Arrington

J. Michael Arrington (born March 13, 1970 in Huntington Beach, California) is a serial entrepreneur and the founder of TechCrunch, a blog covering startups and technology news.

Arrington attended Claremont McKenna College (BA Economics, 1992) and Stanford Law School (JD, 1995) and practiced as a corporate and securities lawyer at two law firms: O’Melveny & Myers and Wilson Sonsini Goodrich & Rosati. His clients included idealab, Netscape, Pixar, Apple and a number of startups, venture funds and investment banks. He also co-authored a book on initial public offerings.

In 1999, he left WSGR to join RealNames as VP of Business Development and General Counsel. In 2000, he cofounded Achex, an online payments company, that was later acquired by First Data Corp for $32 million. Achex is now the back end infrastructure to Western Union online.

Arrington worked in an operational role at a Carlyle backed startup in London, founded and ran two companies in Canada ( and, was COO to a Kleiner-backed company called Razorgator, and consulted to other companies, including Verisign.

In May 2008, Time Magazine named Michael Arrington as one of the world’s 100 most influential people.

James Altucher

James is a contributing writer to TechCrunch. He is CEO and co-founder at 140Labs. He is also an investor in Buddy Media and

devin-coldeweyDevin Coldewey

Devin Coldewey is a Seattle-based writer and photographer. He has written for the TechCrunch network since 2007.

Some posts he’d like you to read: The Dangers of Externalizing Knowledge | Generation i | Surveillant Society | Choose Two | Frame Wars | The User’s Manifesto | Our Great Sin

klintKlint Finley

Klint Finley is a technology journalist working for TechCrunch.

He has also contributed to publications such as Wired, ReadWriteWeb, Disinfo and Shift.

anselAnsel Halliburton

Ansel Halliburton is a lawyer at ComputerLaw Group, a boutique law firm in Palo Alto specializing in intellectual property litigation and entrepreneurship.

Ansel started programming at age ten, and began his career as a startup programmer during college. Shortly before the dot-com crash, he presented his work on the floor of the Comdex trade show in Las Vegas, and later worked with a global team on an award-winning web application.

Eventaully, Ansel realized that he liked to write prose more than code, and began to transition into the legal field. After working as a paralegal in intellectual property litigation, Ansel became the second employee of the Stanford IP Litigation Clearinghouse (since spun out as Lex Machina), where he found himself building software again. There, he wrote specialized web crawlers and a rules engine that powered the world’s most comprehensive database of patent litigation. He also met with lawyers and judges, managed analysts, and traveled to Wisconsin in the middle of the winter to obtain key court records that were not available electronically.

k85fasmqa1kglis47v7lTadhg Kelly

Tadhg is a senior video game designer, producer and creative director.

Tadhg has held roles at various video game development, technology and publishing companies. Since the early 90s, Tadhg has worked on all sorts of game projects, from boardgames and live action roleplaying games through to multi-million dollar PC projects. He has served as lead designer, senior producer and a number of other roles at several companies including BSkyB, Lionhead and Climax.

Tadhg is also a published games industry commentator, having been featured in several key industry publications. He is also a noted blogger.

Tadhg spends his time working with Simple Lifeforms defining our vision for social game-play, designing our signature social games and consulting for various video game development companies on their game development and design strategies.