100. Christina Cacioppo
Occupation: Developer at Nebula Labs
Handle: @christinacaci
Why: This former VC analyst realized coding was where it's at and decided to build cool things on her own. She's currently working on an online education project along with a bunch of other stuff including video messaging app Hoot, Join Startups—a job board for startups—and Laisin, a book database.
Tech PI: 64
PI: 65
99. Aliza Sherman
Occupation: Author, Speaker, Founder of Cybergrrl
Handle: @alizasherman
Why: Sherman started the first woman-owned Internet company in the early 1990s and tweets not only tech news but also inspirational messages about life in general.
Tech PI: 64
PI: 69
98. Kathleen Fritzsche
Occupation: Co-Founder of Accelerate Stuttgar and StartUp Stuttgart
Handle: @kathl_fritzsche
Why: A self-proclaimed startup addict, Fritzsche knows whats up in Germany and the global tech world in general.
Tech PI: 65
PI: 49
97. Sasha Laundy
Occupation: Developer, Founder of Women Who Code
Handle: @SashaLaundy
Why: Laundy knows her coding and reveals some cool new apps, projects and developing tricks.
Tech PI: 65
PI: 56
96. Jen Consalvo
Occupation: COO of Tech Cocktail; Founder of thankfulfor.com
Handle: @noreaster
Why: Follow Consalvo to be in the know about cool tech events going on around the country.
Tech PI: 65
PI: 60
95. Adria Richards
Occupation: Organic Technology Consultant
Handle: @adriarichards
Why: Richards will give you the right amount of inspiration you need when it comes to tech and really just life in general.
Tech PI: 65
PI: 65
94. Lisa Besserman
Occupation: Founder of Startup Buenos Aires
Handle: @lisabesserman
Why: She's got the beat on South American startups and is always suggesting interesting tweeters to follow.
Tech PI: 66
PI: 45
93. Sara Kelly
Occupation: Policy officer for technology for the Greater London Authority
Handle: @MsSaraKelly
Why: Kelly's kind of a big deal in London. She's in charge of making sure tech policy is shipshape and sometimes surveys her followers when creating new policy.
Tech PI: 66
PI: 51
92. Ana Victoria Lagos
Occupation: General Director of Radio Anatonia
Handle: @anatonia
Why: Seems like this tweeter is all about international internet and software stuff. But only worth the follow if you understand Spanish.
Tech PI: 67
PI: 53
91. Nina Faulhaber
Occupation: Early stage tech investor at Index Ventures
Handle: @ninafaulhaber
Why: London-based Faulhaber is all about retweets, posting job openings, and running.
Tech PI: 67
PI: 55
90. Sarah Buhr
Occupation: Tech writer for USA Today
Handle: @sarahbuhr
Why: This witty tweeter will direct you to some of the best tech articles of the day.
Tech PI: 67
PI: 61
89. Megan McCarthy
Occupation: Senior editor at Fortune.com
Handle: @Megan
Why: McCarthy is always chatting with her fellow tech writers about what's going on in the scene.
Tech PI: 67
PI: 69
88. Juliana Rotich
Occupation: Executive Director of Ushahidi Inc., Chair of World Economic Forum Global Agenda Council on Data Driven Development
Handle: @afromusing
Why: This rock star is breathing tech into Africa and pushing for more innovation and entrepreneurship on a global level.
Tech PI: 68
PI: 68
87. Chloe Nicholls
Occupation: Community Manager, IDEALondon
Handle: @ThatGirl_Chloe
Why: Nicholls is passionate about startups, social media, tech, and video, and she lets that shine on Twitter.
Tech PI: 69
PI: 54
86. Judith Hurwitz
Occupation: President and CEO of Hurwitz & Associates
Handle: @jhurwitz
Why: This technology strategist loves live tweeting conferences and offers up helpful words of wisdom on big data and cloud computing.
Tech PI: 69
PI: 61
85. Vanessa Ruiz
Occupation: Multimedia journalist and project manager
Handle: @vanessaruiz
Why: Ruiz is one to follow if you're a Portugese speaker and interested in the state of journalism. For the rest of us you can always follow her English account at @vanessaruiz_.
Tech PI: 69
PI: 64
84. Christine Herron
Occupation: Director with Intel Capital; Venture Advisor at 500 Startups; advisor to StartX
Handle: @christine
Why: Follow Herron for her random musings on all things tech and startups.
Tech PI: 69
PI: 68
83. Liliana Pertenava
Occupation: PR Director for Runa Capital
Handle: @LilianPertenava
Why: She clearly has good taste since she's always retweeting BI stories...
Tech PI: 70
PI: 61
82. Jessi Hempel
Occupation: Tech writer for Fortune Magazine
Handle: @jessiwrites
Why: Hempel helps you decide what tech features are worth the read.
Tech PI: 70
PI: 70
81. Shira Lazar
Occupation: Host and executive producer of What's Trending
Handle: @shiralazar
Why: This entertaining tweeter gets at everything under the sun. Oh and she was named one of Fast Company’s 2011 Most Influential Women in Technology.
Tech PI: 70
PI: 80
80. Caterina Fake
Occupation: Founder of Findery; Cofounder of Flickr and Hunch
Handle: @Caterina
Why: This techie is always tweeting interesting views or articles on the startup world.
Tech PI: 72
PI: 79
79. Liz Fleming
Occupation: Deputy Director of Venture Lab at IE Business School
Handle: @LDFleming
Why: She'll introduce you to some really cool tech in Spain.
Tech PI: 73
PI: 57
78. Alexandra Deschamps-Sonsino
Occupation: Founder of Good Night Lamp; Interaction designer and product designer
Handle: @iotwatch
Why: This tweeter discusses up and coming hardware, patents, and toys as well as all things design.
Tech PI: 73
PI: 59
77. Eileen Burbidge
Occupation: Early-stage tech VC at Passion Capital
Handle: @eileentso
Why: As is the case with most VCs, Burbidge is in the know when it comes to tech and the startup scene.
Tech PI: 73
PI: 72
76. Whitney Hess
Occupation: User experience coach, writer and speaker
Handle: @whitneyhess
Why: Learn about user experience from an expert.
Tech PI: 73
PI: 74
75. Belinda Parmar
Occupation: CEO of Lady Geek; Author of The Empathy Era & Little Miss Geek
Handle: @belindaparmar
Why: She tweets a lot about how tech brands reach their audiences and is an advocate for women to get more involved in STEM.
Tech PI: 74
PI: 68
74. Brenda Romero
Occupation: Game designer and program director at UC Santa Cruz Games & Playable Media MS
Handle: @br
Why: Romero is a must-follow for all gamers.
Tech PI: 74
PI: 73
73. Eve Adams
Occupation: Senior talent acquisition expert at Halock Security Labs
Handle: @HackerHuntress
Why: Follow Adams if you're looking for a job in security and tech.
Tech PI: 76
PI: 65
72. Shira Ovide
Occupation: Wall Street Journal technology reporter
Handle: @ShiraOvide
Why: Ovide gets the intersection of tech and finance. Follow her for a better understanding of the market.
Tech PI: 76
PI: 68
71. Reshma Saujani
Occupation: Founder/CEO of Girls Who Code
Handle: @reshmasaujani
Why: This super star is inspiring more women to code, one tweet at a time.
Tech PI: 76
PI: 72
70. Lauren O'Neil
Occupation: Journalist at CBC News
Handle: @laurenonizzle
Why: This quirky tweeter posts a lot of random stories with some occasional references to tech.
Tech PI: 76
PI: 73
69. Ophelia Pastrana
Occupation: CFO at Kraken Comunicación
Handle: @OphCourse
Why: Another Spanish tweeter for ya. She's all about digital culture and technology adoption.
Tech PI: 76
PI: 76
68. Tess Rinearson
Occupation: Software engineer at Medium
Handle: @_tessr
Why: Rinearson tweets witty comments on the tech world in general and blogging more specifically.
Tech PI: 77
PI: 57
67. Andrea Peterson
Occupation: Tech reporter for The Washington Post
Handle: @kansasalps
Why: Follow Peterson for her WashPost links and some livetweeting at interesting conferences and talks.
Tech PI: 77
PI: 59
66. Mary McKenna
Occupation: CEO of Task Squad; Cofounder of Learning Pool
Handle: @MMaryMcKenna
Why: McKenna is all startup speak, and she's got the beat from the other side of the pond.
Tech PI: 77
PI: 61
65. Laura June
Occupation: Senior Features Editor at The Verge
Handle: @laura_june
Why: This kooky tweeter discusses everything from Zelda to the internet to being a mom.
Tech PI: 77
PI: 69
64. Natalia Oberti Noguera
Occupation: Founder/CEO of Pipeline Fellowship
Handle: @nakisnakis
Why: Noguera is all about women in tech.
Tech PI: 77
PI: 70
63. Julia Boorstin
Occupation: Journalist at CNBC
Handle: @JBoorstin
Why: Boorstin is a great retweeter and adds some interesting commentary on the big issues in tech.
Tech PI: 77
PI: 71
62. Hermione Way
Occupation: Founder of Newspepper.com and Techfluff.TV; Video correspondent for The Next Web
Handle: @hermioneway
Why: This tweeter covers everything about startups and tech, including her own creative projects.
Tech PI: 77
PI: 72
61. Melissa Fach
Occupation: Owner of SEO Aware; Associate on the community team at Moz
Handle: @SEOAware
Why: Follow Fach to learn about SEO and advertising.
Tech PI: 77
PI: 74
60. Vanesa Kolodziej
Occupation: Founder/Partner at Nazca Ventures
Handle: @Vanesak
Why: Kolodziej is another Spanish tweeter who occasionally writes in English especially when commenting on American tech companies.
Tech PI: 78
PI: 63
59. Tiffani Ashley Bell
Occupation: CEO of Pencil You In
Handle: @tiffani
Why: Bell has some great retweets along with a fresh voice on minorities in tech.
Tech PI: 78
PI: 63
58. Iris Classon
Occupation: UX Developer at IdentityMine
Handle: @IrisClasson
Why: This energetic tweeter is all about coding. Look out for her tips of the day!
Tech PI: 78
PI: 64
57. Jeanne M Sullivan
Occupation: Special Advisor and Co-Founder at StarVest Partners
Handle: @gianna212
Why: With 28 years in the technology sector under her belt, Sullivan is one to listen to.
Tech PI: 78
PI: 67
56. Pamela Fox
Occupation: Working on the CS curriculum for Kahn Academy
Handle: @pamelafox
Why: Along with entertaining and random musings, Fox shares lots of good insight on coding.
Tech PI: 78
PI: 72
55. Katie Boehret
Occupation: Deputy reviews editor and senior reviewer at Re/code
Handle: @kabster728
Why: Boehret directs you to some great stories, not only from Re/Code but from around the rest of the internet too.
Tech PI: 78
PI: 75
54. Gabriella Coleman
Occupation: Professor at McGill University; Author of Coding Freedom: The Ethics and Aesthetics of Hacking
Handle: @BiellaColeman
Why: This prof tweets about hacking and the dark side of coding.
Tech PI: 78
PI: 78
53. Gina Minks
Occupation: Product marketing manager at Dell AppAssure
Handle: @gminks
Why: Minks tweets a lot of Dell and complex coding stuff, but she also mixes in some lighter marketing tidbits.
Tech PI: 79
PI: 64
52. Jemima Kiss
Occupation: Head of technology at the Guardian
Handle: @jemimakiss
Why: She mainly uses Twitter to crowdsource for the Guardian, but follow her and you'll be ahead of the news.
Tech PI: 79
PI: 73
51. Jean Parks
Occupation: Runs The ShoppinQueen
Handle: @geekbabe
Why: Parks has her eye on new devices and apps that will improve the lives of parents and children.
Tech PI: 79
PI: 75
50. Liz Gannes
Occupation: Writes for Re/Code
Handle: @lizgannes
Why: Follow Gannes for the latest Re/Code links and some of her random musings.
Tech PI: 79
PI: 77
49. Martha Lane Fox
Occupation: Chair of Go On UK; Cofounder of lastminute.com
Handle: @Marthalanefox
Why: Fox has got some great retweets and awesome pictures of her travels.
Tech PI: 79
PI: 77
48. Rachel S. Haot
Occupation: Chief digital officer and deputy secretary for tech for Governor Cuomo
Handle: @rachelhaot
Why: Follow Haot to be in the know about the tech scene in New York.
Tech PI: 79
PI: 79
47. Catherine Bracy
Occupation: Director of Community Organizing at Code for America
Handle: @cbracy
Why: Bracy is always conversing with other big techies and she has a refreshing and funny take on a lot of the issues.
Tech PI: 80
PI: 64
46. Runa A. Sandvik
Occupation: Staff technologist at Center for Democracy & Technology
Handle: @runasand
Why: This tweeter asks some great questions about the tech world, often poking into issues like security and legality.
Tech PI: 80
PI: 65
45. Annette Franz
Occupation: Director of customer experience management strategy at Confirmit
Handle: @runasand
Why: Franz will teach you a lot about employee empowerment and customer experience.
Tech PI: 80
PI: 65
44. Julie Lerman
Occupation: Author of Programming Entity Framework book series; Runs Vermont.NET User Group
Handle: @julielerman
Why: This coding veteran knows a lot about Microsoft and programming.
Tech PI: 80
PI: 71
43. Sara Chipps
Occupation: CTO of Flatiron School
Handle: @SaraJChipps
Why: The witty Chipps tweets about the random stuff of life, with some coding, UI, and girl power thrown in there.
Tech PI: 80
PI: 76
42. Caroline McCarthy
Occupation: VP of communications for true[x] media
Handle: @caro
Why: McCarthy is a frequent tweeter who sometimes hits on tech subjects, especially when live tweeting from conferences.
Tech PI: 80
PI: 77
41. Jessica Lessin
Occupation: Founder/editor-in-chief of The Information
Handle: @Jessicalessin
Why: Lessin will direct you to lots of great material from The Information along with some live tweeting of big talks and events.
Tech PI: 80
PI: 78
40. Jenna Wortham
Occupation: New York Times technology reporter
Handle: @jennydeluxe
Why: This tweeter talks tech, social media, and the stuff of life while directing you to interesting Times links.
Tech PI: 80
PI: 87
39. Padmasree Warrior
Occupation: Chief technology and strategy officer for Cisco
Handle: @Padmasree
Why: Warrior is a great retweeter and advocate for women in tech.
Tech PI: 80
PI: 89
38. Nitasha Tiku
Occupation: Coeditor of Valleywag
Handle: @nitashatiku
Why: This tweeter will give you a fresh and witty take on the tech world while conversing with all her tech journalist buddies.
Tech PI: 81
PI: 67
37. Stacey Higginbotham
Occupation: Writer for GigaOM
Handle: @gigastacey
Why: Follow Higginbotham for some good GigaOM links and some articles from other publications as well.
Tech PI: 81
PI: 70
36. Courtney Boyd Myers
Occupation: Founder of audience.io and tech writer
Handle: @CBM
Why: This tweeter talks apps, startups, and being an entrepreneur.
Tech PI: 81
PI: 70
35. Sue Black
Occupation: Founder/CEO Savvify; Senior associate at Lucy Cavendish College
Handle: @Dr_Black
Why: Black left school at 16 and after marriage, three kids and a divorce went back to school to learn computer science when she was 20. Now she leads the #techmums movement.
Tech PI: 81
PI: 73
34. Danah Boyd
Occupation: Principal researcher at Microsoft Research; Research assistant professor at New York University
Handle: @zephoria
Why: Boyd can teach you a lot about big data and the digital world.
Tech PI: 81
PI: 81
33. Cindy Gallop
Occupation: Founder of MakeLoveNotPorn and IfWeRanTheWorld; Consultant and coach
Handle: @cindygallop
Why: This quirky tweeter has a unique take on lots of stuff in tech and life in general.
Tech PI: 81
PI: 81
32. Selena Larson
Occupation: Journalist at ReadWrite
Handle: @selenalarson
Why: Larson is always giving her two cents on the hottest thing in tech whether it's Snapchat or the Beats acquisition.
Tech PI: 82
PI: 64
31. Mary Branscombe
Occupation: Freelance technology journalist and editor
Handle: @marypcbuk
Why: This tweeter knows a lot about tech and hardware, and she's not afraid to share her opinion.
Tech PI: 82
PI: 66
30. Amy Hoy
Occupation: Creator of Freckle; Runs 30×500 bootcamp
Handle: @amyhoy
Why: Hoy brings a sarcastic take to the tech world along with her random, quirky musings.
Tech PI: 82
PI: 74
29. Kelly Sommers
Occupation: Software developer; DataStax MVP for Apache Cassandra; Windows Azure MVP
Handle: @kellabyte
Why: Sommers is super smart and mixes in complicated comments on coding with some lighter inspirational tweets.
Tech PI: 82
PI: 75
28. Ory Okolloh
Occupation: Director of investments at Omidyar Network; Cofounder of Ushahidi and Mzalendo
Handle: @kenyanpundit
Why: Okolloh tweets about what's going on in Africa when it comes to politics, tech, and news in general.
Tech PI: 82
PI: 80
27. Gina Trapani
Occupation: Cofounder of ThinkUp; Founder of Lifehacker
Handle: @ginatrapani
Why: Trapani tweets some useful life hacks along with motivational quotes and phrases.
Tech PI: 82
PI: 85
26. Beth Kanter
Occupation: Author of Beth’s Blog: How Nonprofits Can Use Social Media; Consultant
Handle: @kanter
Why: Named by Fast Company Magazine as one of the most influential women in technology and one of Business Week’s “Voices of Innovation for Social Media," Kanter is a valuable follow.
Tech PI: 82
PI: 88
25. Carla Gentry
Occupation: Data Scientist at Analytical Solution
Handle: @data_nerd
Why: Follow Gentry for insights on data and digital marketing.
Tech PI: 83
PI: 67
24. Kelly Hoey
Occupation: CMO of Cuurio
Handle: @jkhoey
Why: This tweeter is all about mobile, entrepreneurship, and women in tech.
Tech PI: 83
PI: 70
23. Danielle Morrill
Occupation: CEO of Mattermark
Handle: @DanielleMorrill
Why: Morrill likes to talk about tech IPOs, startups, and investments, and she has a lot of smart stuff to say.
Tech PI: 83
PI: 71
22. Ashe Dryden
Occupation: Programmer; Consultant
Handle: @ashedryden
Why: This tweeter calls out the sexism in tech and works towards greater diversity.
Tech PI: 83
PI: 76
21. Terri Nakamura
Occupation: Graphic designer
Handle: @terrinakamura
Why: Nakamura will point you to great articles about blogging, social media, and attracting an audience
Tech PI: 83
PI: 83
20. Randi Zuckerberg
Occupation: Founder/CEO of Zuckerberg Media
Handle: @randizuckerberg
Why: When Mark's big sis isn't tweeting about Broadway musicals, she'll offer up some interesting insight on tech and life in general.
Tech PI: 83
PI: 83
19. Kashmir Hill
Occupation: Forbes writer
Handle: @kashhill
Why: Follow Hill to see what life is like when you can only pay with Bitcoin.
Tech PI: 84
PI: 72
18. Hilary Mason
Occupation: Data Scientist in Residence at Accel; Scientist Emeritus at bitly; Co-founder of HackNY
Handle: @hmason
Why: Hilary is a big tech tweeter who loves to talk about coding, hacking, and software.
Tech PI: 84
PI: 77
17. Zeynep Tufekci
Occupation: Assistant professor at the University of North Carolina, Chapel Hill with her own tech site at www.technosociology.org
Handle: @zeynep
Why: Catch Zeynep's musings on everything ranging from international Web policies to social justice.
Tech PI: 84
PI: 77
16. Karen L. Nyberg
Occupation: NASA Astronaut
Handle: @AstroKarenN
Why: Nyberg has been to outer space and will tell you all about it.
Tech PI: 84
PI: 78
15. Amy Vernon
Occupation: Journalist; speaker
Handle: @AmyVernon
Why: Vernon is a great retweeter and is on top of the social media and journalism beats.
Tech PI: 84
PI: 80
14. Ina Fried
Occupation: Senior editor at Re/code
Handle: @inafried
Why: Follow Fried to keep up with what's going on in mobile.
Tech PI: 84
PI: 80
13. Evelyn Rusli
Occupation: Tech reporter for Wall Street Journal
Handle: @EvelynRusli
Why: Rusli has a fun, casual look at the industry and gives you the scoop on acquisitions.
Tech PI: 85
PI: 76
12. Xeni Jardin
Occupation: Founding partner and co-editor of Boing Boing; Founding board member of Freedom of the Press Foundation
Handle: @xeni
Why: This tweeter sends out beautiful photos and inspirational quotes with some news mixed in.
Tech PI: 85
PI: 85
11. Kathy Sierra
Occupation: Web developer, author and blogger
Handle: @seriouspony
Why: She gets user experience. Nuff said.
Tech PI: 86
PI: 68
10. Emily Chang
Occupation: Host of Bloomberg West
Handle: @emilychangtv
Why: Stay up to date with Bloomberg's coverage of the big guys in tech.
Tech PI: 86
PI: 78
9. Neelie Kroes
Occupation: Vice president of the European Commission leading the Digital Agenda
Handle: @NeelieKroesEU
Why: She's in charge of digital stuff for the EU!
Tech PI: 86
PI: 82
8. Sarah Lacy
Occupation: Founder and editor-in-chief of PandoDaily
Handle: @sarahcuda
Why: She's got the scoop on Silicon Valley startups.
Tech PI: 87
PI: 83
7. Alexia Tsotsis
Occupation: Co-Editor at TechCrunch
Handle: @alexia
Why: Her clever comments pair nicely with interesting retweets on all things tech related.
Tech PI: 87
PI: 83
6. Brooke Hammerling
Occupation: Founder of Brew Media Relations
Handle: @brooke
Why: Hammerling covers a melting pot of random topics, but she seems to know everyone in tech.
Tech PI: 88
PI: 75
5. Joanna Stern
Occupation: Wall Street Journal Personal Technology Columnist
Handle: @joannastern
Why: Joanna's got consumer electronics explained—everything from Cortana to HTC One to tablets.
Tech PI: 88
PI: 78
4. Marissa Mayer
Occupation: President/CEO of Yahoo
Handle: @marissamayer
Why: Marissa will definitely not flood your Twitter feed, but she will reveal some important Yahoo news when she does decide to tweet.
Tech PI: 88
PI: 89
3. Mary Jo Foley
Occupation: Tech reporter for ZDNet
Handle: @maryjofoley
Why: Learn about all things Microsoft related.
Tech PI: 89
PI: 81
2. Arianna Huffington
Occupation: Chair, president, and editor-in-chief of the Huffington Post Media Group
Handle: @ariannahuff
Why: For general words of wisdom on issues of health, gender equality, and some occasional tech.
Tech PI: 90
PI: 92
